:root {
  --bg: #f8f9ff;
  --surface: #ffffff;
  --surface-strong: #ffffff;
  --surface-soft: #eff4ff;
  --surface-container: #e5eeff;
  --surface-container-high: #dce9ff;
  --text: #0b1c30;
  --muted: #45464d;
  --line: #c6c6cd;
  --line-soft: #e2e8f0;
  --primary: #131b2e;
  --primary-strong: #000000;
  --primary-muted: #7c839b;
  --secondary: #006a61;
  --secondary-strong: #005049;
  --tertiary: #008ebf;
  --tertiary-strong: #004c69;
  --success: #006a61;
  --warning: #b45309;
  --danger: #ba1a1a;
  --shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
  --shadow-strong: 0 12px 24px rgba(15, 23, 42, 0.08);
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --container-max: 1440px;
  --font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;
  --icon-plus: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 5v14M5 12h14' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
  --icon-check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='m5 12 4.2 4.2L19 6.8' fill='none' stroke='%23000' stroke-width='2.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-x: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='m6 6 12 12M18 6 6 18' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round'/%3E%3C/svg%3E");
  --icon-edit: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M4 20h4l11-11-4-4L4 16v4Zm11-15 4 4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-eye: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M2.5 12s3.5-6 9.5-6 9.5 6 9.5 6-3.5 6-9.5 6-9.5-6-9.5-6Z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3Ccircle cx='12' cy='12' r='3' fill='%23000'/%3E%3C/svg%3E");
  --icon-save: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M5 4h12l2 2v14H5V4Zm3 0v6h8V4M8 20v-6h8v6' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-login: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M10 17.5h7A1.5 1.5 0 0 0 18.5 16V8A1.5 1.5 0 0 0 17 6.5h-7M4 12h9m0 0-3.5-3.5M13 12l-3.5 3.5' fill='none' stroke='%23000' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-send: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='m4 12 16-7-5 15-3-6-8-2Zm8 2 8-9' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-key: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M14.5 9.5a4.5 4.5 0 1 0-4 4l-5 5V21h2.5l1-1h2v-2h2l1-1v-3.5a4.5 4.5 0 0 0 0-4Zm1.5-1.5h.01' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-download: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 4v10m0 0 4-4m-4 4-4-4M5 20h14' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-upload: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M12 20V10m0 0 4 4m-4-4-4 4M5 4h14' fill='none' stroke='%23000' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-print: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M7 8V4h10v4M7 17H5a2 2 0 0 1-2-2v-4a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2v4a2 2 0 0 1-2 2h-2M7 14h10v6H7v-6Z' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-refresh: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M20 7v5h-5M4 17v-5h5M18.4 9A7 7 0 0 0 6 7.8M5.6 15A7 7 0 0 0 18 16.2' fill='none' stroke='%23000' stroke-width='2.1' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-chevron-left: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='m15 6-6 6 6 6' fill='none' stroke='%23000' stroke-width='2.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-chevron-right: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='m9 6 6 6-6 6' fill='none' stroke='%23000' stroke-width='2.3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-file: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M6 3h8l4 4v14H6V3Zm8 0v5h4M9 13h6M9 17h4' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  --icon-link: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M10 13a5 5 0 0 0 7 0l2-2a5 5 0 0 0-7-7l-1.2 1.2M14 11a5 5 0 0 0-7 0l-2 2a5 5 0 0 0 7 7l1.2-1.2' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  --icon-unlock: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24'%3E%3Cpath d='M7 11h12v10H7V11Zm3 0V8a4 4 0 0 1 7.6-1.8' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-family);
  color: var(--text);
  background: var(--bg);
}

body.modal-open {
  overflow: hidden;
}

body::before {
  content: none;
}

.summary-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-height: 108px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.summary-card span {
  color: var(--muted);
  font-size: 0.92rem;
}

.summary-card strong {
  font-size: 2rem;
  line-height: 1;
  font-family: var(--font-mono);
}

a,
button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

input:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(0, 142, 191, 0.28);
  outline-offset: 2px;
}

.glass-panel {
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.auth-page,
.dashboard-page {
  position: relative;
  overflow-x: hidden;
}

.topbar,
.footer,
.auth-layout,
.app-shell {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  align-items: center;
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding: var(--space-3) clamp(16px, 4vw, 40px);
}

.brand,
.brand-column {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.brand-column {
  align-items: flex-start;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  box-shadow: var(--shadow);
}

.brand-mark--logo {
  overflow: hidden;
  background: transparent;
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.brand-mark--logo img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-title {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 700;
}

.brand-subtitle {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.pill,
.status-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(0, 106, 97, 0.1);
  border: 1px solid rgba(0, 106, 97, 0.14);
  color: var(--secondary-strong);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.topbar-link,
.link-button {
  color: var(--secondary);
  text-decoration: none;
  background: none;
  border: 0;
  padding: 0;
  font-weight: 600;
}

.inline-link {
  color: var(--secondary);
  text-decoration: none;
  font-weight: 600;
}

.auth-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 480px);
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding: clamp(16px, 4vw, 40px);
  min-height: calc(100vh - 140px);
}

.auth-copy {
  padding-inline: clamp(4px, 2vw, 20px);
}

.eyebrow,
.card-kicker {
  display: inline-block;
  margin: 0;
  color: var(--secondary);
  text-transform: uppercase;
  letter-spacing: 0;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
}

.auth-copy h1,
.main-header h1 {
  margin: 0 0 var(--space-2);
  font-size: 3rem;
  line-height: 1.16;
  letter-spacing: 0;
  font-weight: 700;
}

.auth-copy p,
.info-card p,
.dashboard-message,
.auth-footer p {
  color: var(--muted);
  line-height: 1.7;
  font-size: 1rem;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--space-4) 0 0;
  display: grid;
  gap: var(--space-2);
}

.feature-list li {
  display: grid;
  gap: 6px;
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.feature-list strong {
  font-size: 1rem;
}

.feature-list span {
  color: var(--muted);
}

.auth-card {
  border-radius: var(--radius-lg);
  padding: clamp(24px, 4vw, 40px);
}

.auth-card-header {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-bottom: var(--space-4);
}

.auth-card-header h2,
.info-card h2 {
  margin: 0;
  font-size: 2rem;
  line-height: 1.25;
  letter-spacing: 0;
}

.auth-icon {
  width: 64px;
  height: 64px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-lg);
  background: rgba(0, 142, 191, 0.1);
  color: var(--tertiary-strong);
  font-size: 2rem;
  font-weight: 700;
}

.auth-form {
  display: grid;
  gap: var(--space-3);
}

.field-group {
  display: grid;
  gap: 10px;
}

.field-label-row,
.form-options,
.main-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: center;
}

label {
  font-weight: 600;
  font-size: 0.875rem;
}

input[type="email"],
input[type="password"],
input[type="text"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="search"],
input[type="tel"],
textarea,
select {
  width: 100%;
  min-height: 48px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: var(--surface-strong);
  color: var(--text);
  transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

input::placeholder {
  color: #76777d;
}

textarea {
  min-height: 132px;
  padding-block: 14px;
  resize: vertical;
}

select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  padding-right: 52px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='9' viewBox='0 0 14 9'%3E%3Cpath fill='none' stroke='%235f6b7a' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.8' d='m1 1 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 18px center;
  background-size: 14px 9px;
}

input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input:hover,
textarea:hover,
select:hover {
  border-color: var(--outline, #76777d);
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--tertiary);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(0, 142, 191, 0.14);
}

select:disabled {
  opacity: 0.72;
  cursor: not-allowed;
}

.checkbox-row {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 0.95rem;
}

.checkbox-row input {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
}

.form-message,
.dashboard-message {
  min-height: 28px;
  font-size: 0.94rem;
  font-weight: 500;
}

.form-message-subtle {
  min-height: 22px;
  font-size: 0.88rem;
  color: var(--muted);
}

.form-message.is-error,
.dashboard-message.is-error {
  color: var(--danger);
}

.form-message.is-success,
.dashboard-message.is-success {
  color: var(--success);
}

.form-message,
.dashboard-message,
.registration-message,
.form-message-subtle {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  clip-path: inset(50%) !important;
  white-space: nowrap !important;
  border: 0 !important;
  min-height: 0 !important;
}

.sigees-toast-layer {
  position: fixed;
  top: 24px;
  right: 24px;
  z-index: 9999;
  display: grid;
  gap: 12px;
  width: min(380px, calc(100vw - 24px));
  pointer-events: none;
}

.sigees-toast {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 14px;
  padding: 16px 16px 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  background: var(--surface);
  box-shadow: var(--shadow-strong);
  transform: translateY(-12px) scale(0.98);
  opacity: 0;
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: auto;
}

.sigees-toast.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.sigees-toast.is-leaving {
  opacity: 0;
  transform: translateY(-8px) scale(0.98);
}

.sigees-toast__body {
  display: grid;
  gap: 4px;
}

.sigees-toast__title {
  font-size: 0.88rem;
  font-weight: 800;
  letter-spacing: 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
}

.sigees-toast__text {
  color: var(--text);
  font-size: 0.96rem;
  line-height: 1.45;
}

.sigees-toast__close {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.06);
  color: #334155;
  cursor: pointer;
  font-size: 1.2rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.sigees-toast__close:hover,
.sigees-toast__close:focus-visible {
  background: rgba(15, 23, 42, 0.12);
  color: #0f172a;
  transform: scale(1.03);
  outline: none;
}

.sigees-toast--success {
  border-left: 5px solid var(--success);
}

.sigees-toast--success .sigees-toast__title {
  color: var(--success);
}

.sigees-toast--error {
  border-left: 5px solid var(--danger);
}

.sigees-toast--error .sigees-toast__title {
  color: var(--danger);
}

.sigees-toast--warning {
  border-left: 5px solid #d97706;
}

.sigees-toast--warning .sigees-toast__title {
  color: #b45309;
}

.sigees-toast--info {
  border-left: 5px solid #2563eb;
}

.sigees-toast--info .sigees-toast__title {
  color: #1d4ed8;
}

.btn {
  min-height: 48px;
  border: 0;
  border-radius: var(--radius-md);
  padding: 0 20px;
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease, opacity 180ms ease;
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn[disabled] {
  opacity: 0.7;
  cursor: wait;
}

.btn.is-disabled,
.btn[aria-disabled="true"] {
  opacity: 0.65;
  pointer-events: none;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
}

.btn-primary:hover {
  background: #000000;
  box-shadow: var(--shadow-strong);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line-soft);
}

.btn::before,
.table-action-button::before,
.table-link--button::before {
  content: none;
  width: 18px;
  height: 18px;
  flex: 0 0 18px;
  background: currentColor;
  -webkit-mask: var(--button-icon) center / contain no-repeat;
  mask: var(--button-icon) center / contain no-repeat;
}

.btn[type="submit"],
#submit-button,
#registration-submit-button,
#staff-submit-button,
#teacher-submit-button,
#student-submit-button,
#academic-cycle-submit-button,
#academic-semester-submit-button,
#academic-classroom-submit-button,
#academic-group-submit-button,
#academic-class-submit-button,
#payment-category-submit-button,
#payment-concept-submit-button,
#ticket-create-submit-button,
#invoice-process-submit-button,
#academic-tree-save-button,
#teacher-payment-submit-button,
#staff-payment-submit-button,
#student-subject-tree-submit-button,
.table-action-button[type="submit"] {
  --button-icon: var(--icon-save);
}

[data-button-icon="login"] {
  --button-icon: var(--icon-login);
}

[data-button-icon="send"] {
  --button-icon: var(--icon-send);
}

[data-button-icon="create"] {
  --button-icon: var(--icon-plus);
}

[data-button-icon="key"] {
  --button-icon: var(--icon-key);
}

[data-button-icon="invoice"] {
  --button-icon: var(--icon-file);
}

#open-staff-create-modal,
#open-teacher-create-modal,
#open-student-create-modal,
#open-ticket-create-modal,
#signature-open-modal-button,
#ticket-add-charge-button,
#ticket-add-concept-button,
#academic-class-add-schedule,
[data-open-academic-modal],
[data-open-payment-catalog-modal] {
  --button-icon: var(--icon-plus);
}

#student-download-schedule-button,
#student-download-schedule-inline-button,
#student-pdf-print-button,
#student-profile-download-pdf {
  --button-icon: var(--icon-download);
}

#ticket-pdf-print-client-button,
#ticket-pdf-print-admin-button,
#ticket-pdf-direct-print-button {
  --button-icon: var(--icon-print);
}

#finance-refresh-button {
  --button-icon: var(--icon-refresh);
}

#registration-prev-button,
#finance-page-prev,
#student-week-prev,
#teacher-week-prev,
[id$="-calendar-prev"] {
  --button-icon: var(--icon-chevron-left);
}

#registration-next-button,
#finance-page-next,
#student-week-next,
#teacher-week-next,
[id$="-calendar-next"] {
  --button-icon: var(--icon-chevron-right);
}

#student-payment-modal-pick-file,
#teacher-payment-file-button,
#staff-payment-file-button,
[data-charge-upload] {
  --button-icon: var(--icon-upload);
}

#academic-tree-add-edge-button {
  --button-icon: var(--icon-link);
}

#academic-tree-unlock-button {
  --button-icon: var(--icon-unlock);
}

[data-proof-open],
[data-invoice-open] {
  --button-icon: var(--icon-file);
}

[data-line-remove],
[data-remove-tree-edge],
#ticket-pdf-close-button,
[data-close-signature-modal] {
  --button-icon: var(--icon-x);
}

[data-payment-decision="validated"],
.table-action-button.is-success {
  --button-icon: var(--icon-check);
}

[data-payment-decision="rejected"],
.table-action-button.is-danger {
  --button-icon: var(--icon-x);
}

[data-edit-category],
[data-edit-concept] {
  --button-icon: var(--icon-edit);
}

.table-action-button:not(.is-success):not(.is-danger):not([type="submit"]):not([data-remove-tree-edge]):not([data-line-remove]):not([data-charge-upload]):not([data-edit-category]):not([data-edit-concept]):not([data-proof-open]):not([data-invoice-open]) {
  --button-icon: var(--icon-eye);
}

.btn[type="submit"]::before,
[data-button-icon]::before,
#submit-button::before,
#registration-submit-button::before,
#staff-submit-button::before,
#teacher-submit-button::before,
#student-submit-button::before,
#academic-cycle-submit-button::before,
#academic-semester-submit-button::before,
#academic-classroom-submit-button::before,
#academic-group-submit-button::before,
#academic-class-submit-button::before,
#payment-category-submit-button::before,
#payment-concept-submit-button::before,
#ticket-create-submit-button::before,
#invoice-process-submit-button::before,
#academic-tree-save-button::before,
#teacher-payment-submit-button::before,
#staff-payment-submit-button::before,
#student-subject-tree-submit-button::before,
.table-action-button[type="submit"]::before,
#open-staff-create-modal::before,
#open-teacher-create-modal::before,
#open-student-create-modal::before,
#open-ticket-create-modal::before,
#signature-open-modal-button::before,
#ticket-add-charge-button::before,
#ticket-add-concept-button::before,
#academic-class-add-schedule::before,
[data-open-academic-modal]::before,
[data-open-payment-catalog-modal]::before,
#student-download-schedule-button::before,
#student-download-schedule-inline-button::before,
#student-pdf-print-button::before,
#student-profile-download-pdf::before,
#ticket-pdf-print-client-button::before,
#ticket-pdf-print-admin-button::before,
#ticket-pdf-direct-print-button::before,
#finance-refresh-button::before,
#registration-prev-button::before,
#finance-page-prev::before,
#student-week-prev::before,
#teacher-week-prev::before,
[id$="-calendar-prev"]::before,
#registration-next-button::before,
#finance-page-next::before,
#student-week-next::before,
#teacher-week-next::before,
[id$="-calendar-next"]::before,
#student-payment-modal-pick-file::before,
#teacher-payment-file-button::before,
#staff-payment-file-button::before,
[data-charge-upload]::before,
#academic-tree-add-edge-button::before,
#academic-tree-unlock-button::before,
[data-proof-open]::before,
[data-invoice-open]::before,
[data-line-remove]::before,
[data-remove-tree-edge]::before,
#ticket-pdf-close-button::before,
[data-close-signature-modal]::before,
[data-payment-decision]::before,
[data-edit-category]::before,
[data-edit-concept]::before,
.table-action-button:not(.is-success):not(.is-danger):not([type="submit"]):not([data-remove-tree-edge]):not([data-line-remove]):not([data-charge-upload]):not([data-edit-category]):not([data-edit-concept]):not([data-proof-open]):not([data-invoice-open])::before {
  content: "";
}

.btn.is-loading::before,
.btn[disabled]::before,
.table-action-button:disabled::before {
  opacity: 0.72;
}

.btn-loader {
  display: none;
  width: 18px;
  height: 18px;
  border-radius: 999px;
  border: 2px solid rgba(255, 255, 255, 0.34);
  border-top-color: #fff;
  animation: spin 800ms linear infinite;
}

.btn.is-loading .btn-loader {
  display: inline-block;
}

.btn.is-loading .btn-text {
  opacity: 0.9;
}

.auth-footer {
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid rgba(31, 44, 64, 0.08);
}

.auth-footer p+p {
  margin-top: var(--space-1);
}

.helper-box {
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: rgba(0, 142, 191, 0.08);
  border: 1px solid rgba(0, 142, 191, 0.16);
  color: var(--muted);
  line-height: 1.6;
  word-break: break-word;
}

.footer {
  padding: 20px clamp(20px, 4vw, 48px) 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

.app-shell {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: var(--space-3);
  width: min(100%, var(--container-max));
  margin-inline: auto;
  padding: clamp(16px, 3vw, 40px);
  min-height: 100vh;
}

.mobile-menu-toggle,
.mobile-menu-backdrop {
  display: none;
}

.sidebar {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.sidebar-top {
  display: grid;
  gap: 16px;
}

.brand-copy {
  display: grid;
  gap: 4px;
}

.nav-list {
  display: grid;
  gap: 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  min-height: 48px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--text);
  background: transparent;
  border: 1px solid transparent;
  font-weight: 600;
  gap: 12px;
}

.nav-item.is-active {
  color: var(--secondary);
  background: rgba(0, 106, 97, 0.1);
  border-color: rgba(0, 106, 97, 0.14);
}

.nav-item:hover {
  background: var(--surface-soft);
  border-color: var(--line-soft);
}

.nav-item-button {
  border: 0;
  text-align: left;
  width: 100%;
}

.nav-icon {
  display: inline-grid;
  place-items: center;
  width: 22px;
  min-width: 22px;
  font-size: 1rem;
  line-height: 1;
}

.nav-icon svg,
.quick-action-icon svg {
  width: 20px;
  height: 20px;
  display: block;
}

.nav-label {
  white-space: nowrap;
}

.sidebar-toggle {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-height: 46px;
  padding: 0 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  background: transparent;
  color: var(--text);
  font-weight: 700;
}

body.sidebar-collapsed .app-shell {
  grid-template-columns: 88px minmax(0, 1fr);
}

body.sidebar-collapsed .brand-copy,
body.sidebar-collapsed .nav-label {
  display: none;
}

body.sidebar-collapsed .sidebar {
  align-items: center;
}

body.sidebar-collapsed .sidebar-top,
body.sidebar-collapsed .nav-list {
  width: 100%;
}

body.sidebar-collapsed .nav-item,
body.sidebar-collapsed .sidebar-toggle {
  justify-content: center;
  padding-inline: 0;
}

body.sidebar-collapsed .brand {
  justify-content: center;
}

body.sidebar-collapsed .brand-mark--logo {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
}

.main-panel {
  padding: clamp(6px, 1vw, 10px);
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.dashboard-grid--admin {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-command-center {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.95fr);
  gap: 1rem;
  padding: clamp(22px, 3vw, 34px);
  border-radius: var(--radius-lg);
}

.admin-command-center__hero,
.admin-command-center__rail {
  min-width: 0;
}

.admin-command-center__hero {
  display: grid;
  gap: 18px;
  align-content: start;
}

.admin-command-center__hero h2 {
  margin: 6px 0 0;
  font-size: 3rem;
  line-height: 1.16;
  letter-spacing: 0;
  max-width: 12ch;
}

.admin-command-center__hero p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  max-width: 64ch;
}

.admin-command-center__meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-command-center__rail,
.student-priority-stack {
  display: grid;
  gap: 12px;
}

.admin-priority-card,
.student-priority-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
  padding: 18px 20px;
  display: grid;
  gap: 8px;
}

.admin-priority-card strong,
.student-priority-card strong {
  font-size: 1.15rem;
  line-height: 1.2;
}

.admin-priority-card p,
.student-priority-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.dashboard-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.info-card {
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
  display: grid;
  gap: 12px;
}

.info-card strong {
  font-size: 1.2rem;
}

.info-card-wide {
  grid-column: 1 / -1;
}

.dashboard-message {
  margin-top: var(--space-3);
}

.dashboard-section {
  margin-top: var(--space-3);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 3vw, 32px);
}

.section-header {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  align-items: flex-end;
  margin-bottom: var(--space-3);
}

.section-header h2 {
  margin: 0;
  font-size: 2rem;
  letter-spacing: 0;
}

.section-caption,
.cell-note {
  display: block;
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 4px;
}

.quick-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.quick-action-card {
  min-height: 160px;
  border: 1px solid var(--line-soft);
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  gap: 10px;
  text-align: left;
  color: var(--text);
}

.quick-action-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-strong);
}

.quick-action-icon {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: rgba(0, 142, 191, 0.1);
  color: var(--tertiary-strong);
  font-size: 1.2rem;
  font-weight: 700;
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

.data-table th,
.data-table td {
  padding: 16px 14px;
  border-bottom: 1px solid var(--line-soft);
  text-align: left;
  vertical-align: top;
}

.data-table th {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: capitalize;
}

.status-active {
  background: rgba(0, 106, 97, 0.1);
  color: var(--secondary);
}

.status-inactive {
  background: rgba(118, 119, 125, 0.12);
  color: var(--muted);
}

.status-suspended {
  background: rgba(186, 26, 26, 0.1);
  color: var(--danger);
}

.status-graduated {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warning);
}

.student-form,
.status-form {
  display: grid;
  gap: var(--space-3);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.field-group--wide {
  grid-column: 1 / -1;
}

.field-hint {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.form-actions {
  display: flex;
  justify-content: flex-start;
}

.students-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.75fr);
  gap: var(--space-3);
  align-items: start;
}

.admin-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.admin-header-row h1 {
  margin: 0;
  font-size: 2.5rem;
  line-height: 1.1;
  letter-spacing: 0;
}

.admin-section {
  border-radius: var(--radius-lg);
  padding: 20px 22px;
}

.admin-table-card {
  padding-top: 8px;
}

.filter-toolbar {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.detail-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  display: grid;
  gap: 16px;
}

.detail-card--plain {
  padding: 0;
  border: 0;
  background: transparent;
}

.detail-card h3 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: 0;
}

.detail-muted,
.detail-label {
  color: var(--muted);
}

.detail-stack {
  display: grid;
  gap: 14px;
}

.detail-stack strong {
  display: block;
  margin-top: 6px;
}

.detail-link-box {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--line-soft);
}

.detail-link-box code {
  display: block;
  overflow-wrap: anywhere;
  white-space: normal;
  color: var(--tertiary-strong);
  font-family: var(--font-mono);
}

.detail-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.profile-editor {
  display: grid;
  gap: 18px;
  margin-top: 12px;
}

.empty-state-card {
  display: grid;
  gap: 10px;
  padding: 22px;
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.84);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.empty-state-card h3 {
  margin: 0;
  font-size: 1.1rem;
}

.empty-state-card p {
  margin: 0;
  color: var(--muted);
}

.profile-editor__toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  width: 100%;
}

.profile-editor__toolbar .detail-actions {
  margin-top: 0;
  margin-left: auto;
  align-items: center;
  justify-content: flex-end;
}

.profile-editor__toolbar .detail-actions .btn,
.profile-editor__toolbar .detail-actions a.btn {
  min-width: 152px;
}

.profile-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.profile-tab {
  min-height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(255, 255, 255, 0.72);
  color: var(--muted);
  font-weight: 700;
}

.profile-tab.is-active {
  background: rgba(13, 125, 242, 0.12);
  border-color: rgba(13, 125, 242, 0.18);
  color: var(--primary-strong);
}

.profile-panel {
  display: none;
  gap: 16px;
}

.profile-panel.is-active {
  display: grid;
}

.payments-block {
  display: grid;
  gap: 18px;
}

.teacher-detail-tabs {
  margin: 18px 0 6px;
}

.teacher-classes-panel {
  display: grid;
  gap: 18px;
}

.teacher-classes-panel__header h3 {
  margin: 0;
}

.teacher-classes-panel__header p {
  margin: 6px 0 0;
}

.teacher-subject-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.teacher-subject-chip {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.92);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.teacher-subject-chip strong {
  font-size: 0.95rem;
}

.teacher-subject-chip span {
  color: var(--muted);
  font-size: 0.82rem;
}

.teacher-class-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.teacher-class-card {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(31, 44, 64, 0.08);
  min-width: 0;
}

.teacher-class-card--empty {
  grid-column: 1 / -1;
  text-align: center;
}

.teacher-class-card--empty p,
.teacher-class-card__header p,
.teacher-class-card__schedule {
  margin: 0;
  color: var(--muted);
}

.teacher-class-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.teacher-class-card__header strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.teacher-class-status {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(13, 125, 242, 0.1);
  color: var(--primary-strong);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.teacher-class-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.teacher-class-card__meta span {
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(31, 44, 64, 0.08);
  color: #334155;
  font-size: 0.82rem;
}

.teacher-access-panel {
  display: grid;
  gap: 18px;
}

.teacher-access-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.teacher-access-panel__header h3 {
  margin: 0;
}

.teacher-access-panel__header p {
  margin: 6px 0 0;
}

.teacher-access-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.teacher-access-card,
.teacher-access-password {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(31, 44, 64, 0.08);
  min-width: 0;
}

.teacher-access-card span,
.teacher-access-password span {
  color: var(--muted);
  font-size: 0.84rem;
}

.teacher-access-card strong,
.teacher-access-password strong {
  overflow-wrap: anywhere;
}

.teacher-access-password strong {
  font-size: 1.24rem;
  color: var(--primary-strong);
}

.teacher-access-password__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-width: 0;
}

.teacher-access-password__toggle {
  width: 40px;
  height: 40px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border: 1px solid rgba(31, 44, 64, 0.12);
  border-radius: 12px;
  color: var(--primary-strong);
  background: rgba(255, 255, 255, 0.86);
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.teacher-access-password__toggle:hover,
.teacher-access-password__toggle:focus-visible,
.teacher-access-password__toggle.is-visible {
  background: rgba(42, 59, 92, 0.08);
  border-color: rgba(42, 59, 92, 0.28);
}

.teacher-access-password__toggle:active {
  transform: translateY(1px);
}

.teacher-access-password__toggle:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.teacher-access-password__toggle svg {
  width: 20px;
  height: 20px;
}

.teacher-access-password p {
  margin: 0;
}

.finance-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.finance-hero__copy h2,
.finance-section-header h2 {
  margin: 0 0 6px;
}

.finance-hero__copy p,
.finance-section-header p {
  margin: 0;
  color: var(--muted);
}

.finance-summary-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.finance-summary-card {
  display: grid;
  gap: 8px;
  padding: 18px;
}

.finance-summary-card span,
.finance-summary-card small {
  color: var(--muted);
}

.finance-summary-card strong {
  font-size: 1.7rem;
}

.finance-summary-card--warning {
  border: 1px solid rgba(199, 137, 11, 0.18);
}

.finance-summary-card--info {
  border: 1px solid rgba(13, 125, 242, 0.16);
}

.finance-summary-card--success {
  border: 1px solid rgba(15, 157, 108, 0.16);
}

.finance-summary-card--danger {
  border: 1px solid rgba(180, 35, 60, 0.16);
}

.finance-approval-queue {
  display: grid;
  gap: 18px;
}

.finance-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.finance-queue-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.finance-queue-card,
.finance-queue-empty {
  display: grid;
  gap: 14px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.finance-queue-card__body {
  display: grid;
  gap: 8px;
}

.finance-queue-card__body h3 {
  margin: 0;
  font-size: 1.05rem;
}

.finance-kicker {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.finance-queue-card__body p {
  margin: 0;
  color: #1e293b;
}

.finance-queue-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
}

.finance-queue-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.finance-filter-toolbar {
  grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
}

.payments-block__header h3 {
  margin: 0 0 6px;
}

.payments-plan-form,
.payments-charge-form {
  display: grid;
  gap: 16px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.payments-plan-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.payments-plan-summary__card {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.88);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.payments-plan-summary__card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.payments-plan-summary__card strong {
  font-size: 1.1rem;
}

.payments-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.payments-summary__card {
  display: grid;
  gap: 8px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.88);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.payments-summary__card span {
  color: var(--muted);
  font-size: 0.82rem;
}

.payments-summary__card strong {
  font-size: 1.45rem;
}

.payments-table-wrap .data-table {
  min-width: 880px;
}

.table-link {
  color: var(--primary-strong);
  font-weight: 700;
}

.table-link--button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  font: inherit;
  text-align: left;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.table-action-button.is-success {
  color: #0f766e;
  border-color: rgba(15, 118, 110, 0.18);
  background: rgba(13, 148, 136, 0.08);
}

.table-action-button.is-danger {
  color: #b4233c;
  border-color: rgba(180, 35, 60, 0.18);
  background: rgba(203, 51, 75, 0.08);
}

.status-payment-pending {
  background: rgba(199, 137, 11, 0.14);
  color: #9d6700;
}

.status-payment-partial {
  background: rgba(245, 158, 11, 0.16);
  color: #b45309;
}

.status-payment-uploaded {
  background: rgba(13, 125, 242, 0.12);
  color: var(--primary-strong);
}

.status-payment-validated {
  background: rgba(15, 157, 108, 0.12);
  color: #0d7c58;
}

.status-payment-rejected {
  background: rgba(203, 51, 75, 0.14);
  color: #b4233c;
}

.status-payment-expired {
  background: rgba(71, 85, 105, 0.12);
  color: #475569;
}

.signature-preview-wrap {
  display: grid;
  gap: 10px;
}

.signature-preview {
  min-height: 180px;
  padding: 18px;
  border-radius: 18px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(255, 255, 255, 0.76);
  display: grid;
  place-items: center;
}

.signature-preview img {
  max-width: 100%;
  max-height: 140px;
  object-fit: contain;
}

.signature-preview span {
  color: var(--muted);
  text-align: center;
}

.status-form select {
  min-height: 52px;
}

.table-action-button {
  min-height: 40px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid rgba(13, 125, 242, 0.16);
  background: rgba(13, 125, 242, 0.08);
  color: var(--primary-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
}

.is-selected-row td {
  background: rgba(13, 125, 242, 0.05);
}

.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
}

.admin-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.42);
}

.admin-modal__dialog {
  position: relative;
  width: min(760px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  margin: 24px auto;
  background: #ffffff;
  border: 1px solid rgba(31, 44, 64, 0.08);
  border-radius: 18px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.2);
  padding: 24px;
}

.admin-modal__dialog--narrow {
  width: min(560px, calc(100vw - 32px));
}

.admin-modal__dialog--wide {
  width: min(80vw, 1280px);
  max-height: min(94vh, 980px);
}

.teacher-modal {
  width: min(980px, calc(100vw - 32px));
  max-height: calc(100vh - 48px);
  padding: 0;
  overflow-y: auto;
  overflow-x: hidden;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.96), #ffffff 38%),
    #ffffff;
}

.teacher-modal--detail {
  width: min(1120px, calc(100vw - 32px));
}

.teacher-modal .admin-modal__header {
  align-items: center;
  margin: 0;
  padding: 24px 28px 18px;
  border-bottom: 1px solid var(--line-soft);
  background: rgba(255, 255, 255, 0.82);
}

.teacher-modal .admin-modal__header h2 {
  font-size: 1.55rem;
  line-height: 1.15;
}

.teacher-modal .admin-modal__close {
  flex: 0 0 auto;
  background: #ffffff;
  box-shadow: var(--shadow);
}

.teacher-modal .student-form {
  gap: 20px;
  padding: 24px 28px 28px;
}

.teacher-modal .detail-card--plain {
  display: grid;
  gap: 18px;
  padding: 24px 28px 28px;
  margin: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.teacher-modal-intro {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 18px;
  border: 1px solid rgba(37, 99, 235, 0.14);
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.08), rgba(20, 184, 166, 0.08));
  color: var(--text);
}

.teacher-modal-intro strong {
  font-size: 1rem;
  line-height: 1.35;
}

.teacher-modal-intro span {
  color: var(--muted);
  font-size: 0.88rem;
  text-align: right;
}

.teacher-modal-intro--compact {
  margin-bottom: 2px;
}

.teacher-form-sections {
  display: grid;
  gap: 18px;
}

.teacher-form-section {
  display: grid;
  gap: 18px;
  padding: 20px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: #ffffff;
  box-shadow: var(--shadow);
}

.teacher-form-section__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.teacher-form-section__head h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.2;
}

.teacher-form-section__head span {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(31, 44, 64, 0.08);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.teacher-form-grid {
  gap: 16px 18px;
}

.teacher-modal .field-group {
  gap: 8px;
}

.teacher-modal .field-group input,
.teacher-modal .field-group textarea,
.teacher-modal .field-group select {
  background: #ffffff;
}

.teacher-modal .form-actions {
  justify-content: flex-end;
  padding-top: 4px;
}

.ticket-modal__dialog {
  width: min(980px, calc(100vw - 32px));
  padding: 28px;
}

.ticket-modal__form,
.ticket-modal__stack {
  display: grid;
  gap: 20px;
}

.ticket-modal__section {
  display: grid;
  gap: 18px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(248, 250, 252, 0.96), rgba(255, 255, 255, 0.92));
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.ticket-modal__section--table {
  gap: 16px;
}

.ticket-modal__section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.ticket-modal__section-head h3 {
  margin: 6px 0 4px;
  font-size: 1.12rem;
}

.ticket-modal__section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.ticket-modal__grid {
  gap: 18px;
  align-items: start;
}

.ticket-modal__group {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(31, 44, 64, 0.08);
  min-width: 0;
}

.ticket-modal__group--span-2 {
  grid-column: span 2;
}

.ticket-modal__inline-action {
  display: flex;
  justify-content: flex-start;
  margin-top: 4px;
}

.ticket-modal__summary {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.ticket-modal__summary-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.ticket-modal__summary-card span {
  color: var(--muted);
}

.ticket-modal__table-wrap {
  border-radius: 18px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(255, 255, 255, 0.94);
  overflow: hidden;
}

.ticket-modal__table-wrap .data-table th,
.ticket-modal__table-wrap .data-table td {
  padding: 14px 16px;
}

.ticket-modal__table-wrap input[type="number"] {
  min-height: 46px;
}

.ticket-modal__actions {
  margin-top: 4px;
  justify-content: flex-end;
}

.registration-page {
  padding: clamp(16px, 3vw, 32px);
}

.registration-shell {
  width: min(1120px, 100%);
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.registration-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 24px;
  align-items: stretch;
}

.registration-intro,
.registration-status-card,
.registration-form-card {
  border-radius: 28px;
  padding: clamp(20px, 3vw, 32px);
}

.registration-title {
  margin: 0;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: 0;
}

.registration-copy {
  margin: 16px 0 0;
  max-width: 52ch;
}

.registration-status-card {
  display: grid;
  gap: 14px;
  align-content: start;
}

.registration-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(13, 125, 242, 0.12);
  color: var(--primary-strong);
  font-size: 0.82rem;
  font-weight: 700;
  width: fit-content;
}

.registration-meta-list {
  display: grid;
  gap: 12px;
}

.registration-meta-item {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.registration-meta-item span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
  margin-bottom: 6px;
}

.registration-form-card {
  display: grid;
  gap: 20px;
}

.registration-message {
  min-height: 24px;
  font-size: 0.95rem;
  font-weight: 600;
}

.registration-message.is-error {
  color: var(--danger);
}

.registration-message.is-success {
  color: var(--success);
}

.registration-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  position: relative;
}

.registration-step {
  min-height: 72px;
  padding: 14px 16px;
  border-radius: 22px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(255, 255, 255, 0.64);
  color: var(--muted);
  font-weight: 700;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
  text-align: left;
}

.registration-step__index {
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  font-size: 0.92rem;
}

.registration-step__label {
  font-size: 0.96rem;
}

.registration-step.is-active {
  background: rgba(13, 125, 242, 0.12);
  color: var(--primary-strong);
  border-color: rgba(13, 125, 242, 0.18);
}

.registration-step.is-active .registration-step__index,
.registration-step.is-complete .registration-step__index {
  background: linear-gradient(135deg, var(--primary) 0%, #42a5ff 100%);
  color: #fff;
}

.registration-step.is-complete {
  border-color: rgba(15, 157, 108, 0.18);
  background: rgba(15, 157, 108, 0.08);
}

.registration-panel {
  display: none;
  gap: 18px;
}

.registration-panel.is-active {
  display: grid;
}

.registration-section-title {
  margin: 8px 0 0;
  font-size: 1.15rem;
}

.registration-grid {
  display: grid;
  gap: 16px;
}

.registration-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.registration-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.registration-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.registration-span-2 {
  grid-column: span 2;
}

.registration-block {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.registration-block h3 {
  margin: 0 0 14px;
  font-size: 1rem;
}

.signature-card {
  display: grid;
  gap: 16px;
  margin-top: 8px;
}

.signature-status-text {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.signature-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.signature-card__header h3 {
  margin: 0 0 6px;
}

.signature-card__header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.signature-canvas-wrap {
  padding: 16px;
  border-radius: 24px;
  background:
    linear-gradient(0deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 23, 42, 0.04) 1px, transparent 1px),
    rgba(255, 255, 255, 0.82);
  background-size: 18px 18px, 18px 18px, auto;
  border: 1px solid rgba(31, 44, 64, 0.12);
  overflow: hidden;
}

.signature-canvas {
  display: block;
  width: 100%;
  min-height: 240px;
  height: clamp(240px, 34vh, 360px);
  border-radius: 18px;
  background: transparent;
  touch-action: none;
  cursor: crosshair;
}

.signature-canvas__guide {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.82rem;
}

.signature-canvas.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.signature-canvas--fullscreen {
  min-height: 320px;
  height: min(68vh, 620px);
}

.signature-canvas-wrap--fullscreen {
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr;
  min-height: 0;
}

.signature-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
}

.signature-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.62);
  backdrop-filter: blur(8px);
}

.signature-modal__dialog {
  position: relative;
  width: min(96vw, 1400px);
  height: min(96vh, 980px);
  margin: 2vh auto;
  background: #ffffff;
  border-radius: 28px;
  padding: 24px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 16px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.26);
  overflow: hidden;
}

.signature-modal__topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.signature-modal__hint {
  margin: 6px 0 0;
  color: var(--muted);
}

.signature-modal__body {
  min-height: 0;
  display: grid;
  overflow: hidden;
}

.signature-modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 8px;
  border-top: 1px solid rgba(31, 44, 64, 0.08);
  background: #ffffff;
}

.signature-modal__tools {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
  flex-wrap: wrap;
}

.signature-icon-button {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  border: 1px solid rgba(31, 44, 64, 0.1);
  background: rgba(248, 250, 252, 0.96);
  color: #334155;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  line-height: 1;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.08);
}

.signature-icon-button--primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  border-color: transparent;
}

.registration-help {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.registration-choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 10px;
}

.registration-choice {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 10px 12px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.registration-choice input {
  width: 18px;
  height: 18px;
}

.registration-actions {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding-top: 10px;
}

.registration-success-card {
  display: none;
  gap: 12px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(15, 157, 108, 0.1);
  border: 1px solid rgba(15, 157, 108, 0.18);
}

.registration-success-card.is-visible {
  display: grid;
}

.admin-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 18px;
  margin-bottom: 20px;
  border-bottom: 1px solid rgba(31, 44, 64, 0.08);
}

.admin-modal__header h2 {
  margin: 0;
  font-size: 1.4rem;
}

.admin-modal__close {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(31, 44, 64, 0.1);
  background: #f8fafc;
  color: #334155;
  font-size: 1.5rem;
  line-height: 1;
}

.academic-summary-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: var(--space-2);
}

.academic-flow-strip {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: var(--space-2);
}

.academic-flow-strip::before {
  content: "";
  position: absolute;
  left: 7%;
  right: 7%;
  top: 34px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, #006a61, #008ebf 38%, #b45309 68%, #131b2e);
  opacity: 0.42;
}

.academic-flow-step {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 5px;
  min-height: 112px;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.academic-flow-step:hover,
.academic-flow-step.is-active {
  transform: translateY(-2px);
  border-color: rgba(0, 142, 191, 0.34);
  box-shadow: var(--shadow-strong);
}

.academic-flow-step span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: #eff4ff;
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
}

.academic-flow-step:nth-child(1) span {
  background: rgba(0, 106, 97, 0.12);
  color: var(--secondary);
}

.academic-flow-step:nth-child(2) span {
  background: rgba(0, 142, 191, 0.12);
  color: var(--tertiary-strong);
}

.academic-flow-step:nth-child(3) span {
  background: rgba(180, 83, 9, 0.12);
  color: var(--warning);
}

.academic-flow-step:nth-child(4) span {
  background: rgba(19, 27, 46, 0.1);
  color: var(--primary);
}

.academic-flow-step:nth-child(5) span {
  background: rgba(186, 26, 26, 0.1);
  color: var(--danger);
}

.academic-flow-step strong {
  font-size: 0.98rem;
}

.academic-flow-step small {
  color: var(--muted);
  line-height: 1.35;
}

.academic-workspace {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  min-width: 0;
  overflow: hidden;
}

.academic-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.academic-tab-panel {
  display: none;
}

.academic-tab-panel.is-active {
  display: block;
}

.academic-panel {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 0;
}

.academic-panel__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.academic-panel__header h2 {
  margin: 0 0 6px;
  font-size: 1.3rem;
}

.academic-panel__header p {
  margin: 0;
  color: var(--muted);
}

.academic-class-finder {
  display: grid;
  grid-template-columns: minmax(240px, 1.4fr) minmax(180px, 0.8fr) minmax(150px, 0.6fr) auto;
  gap: 12px;
  align-items: end;
  padding: 14px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.academic-class-finder label,
.academic-tree-search {
  display: grid;
  gap: 6px;
}

.academic-class-finder span,
.academic-search-meta {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.academic-search-meta {
  min-height: 20px;
  text-transform: none;
  font-weight: 600;
}

.academic-form {
  padding-top: 0;
}

.academic-schedules-card {
  display: grid;
  gap: var(--space-2);
  padding: 18px;
  border: 1px solid rgba(31, 44, 64, 0.1);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.74);
}

.academic-schedules-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
}

.academic-schedules-card__header h3 {
  margin: 0 0 6px;
  font-size: 1.1rem;
}

.academic-schedules-card__header p {
  margin: 0;
  color: var(--muted);
}

.academic-schedule-list {
  display: grid;
  gap: 14px;
}

.academic-schedule-item {
  display: grid;
  gap: 14px;
  padding: 16px;
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.92);
  border: 1px solid rgba(148, 163, 184, 0.2);
}

.academic-schedule-item__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.table-action-button.is-danger {
  color: #b91c1c;
  border-color: rgba(185, 28, 28, 0.2);
  background: rgba(254, 242, 242, 0.95);
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.academic-tree-toolbar {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr)) auto;
  gap: 14px;
  align-items: end;
  margin-bottom: 18px;
}

.academic-tree-stage {
  display: grid;
  gap: 14px;
  min-height: 720px;
  min-width: 0;
}

.academic-tree-topbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px 12px;
  border-bottom: 1px solid rgba(31, 44, 64, 0.08);
  min-width: 0;
}

.academic-tree-topbar h2,
.academic-tree-topbar p {
  margin: 0;
}

.academic-tree-topbar p {
  margin-top: 4px;
  color: var(--muted);
}

.academic-tree-actions {
  display: flex;
  gap: 10px;
  align-items: end;
  flex-wrap: wrap;
  justify-content: flex-end;
  min-width: 280px;
}

.academic-tree-actions label,
.academic-tree-connect label,
.academic-tree-unlock label {
  display: grid;
  gap: 5px;
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.academic-tree-actions label {
  min-width: 0;
}

.academic-tree-actions span {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.academic-tree-actions select {
  min-width: 132px;
}

.academic-tree-search input {
  min-width: 180px;
  max-width: 240px;
}

.academic-tree-builder {
  display: grid;
  grid-template-columns: minmax(180px, 220px) minmax(0, 1fr) minmax(210px, 250px);
  gap: 12px;
  align-items: stretch;
  min-width: 0;
}

.academic-tree-rail {
  min-height: 650px;
  padding: 0;
  background: transparent;
  min-width: 0;
}

.academic-tree-rail__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.academic-tree-rail__header h3 {
  margin: 0;
  font-size: 0.98rem;
}

.academic-tree-rail__header span {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.academic-tree-library {
  padding: 16px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.academic-tree-library h3 {
  margin: 0 0 6px;
  font-size: 0.98rem;
}

.academic-tree-class-list,
.academic-tree-edge-list {
  display: grid;
  gap: 10px;
  max-height: 520px;
  overflow: auto;
}

.academic-tree-class-card {
  width: 100%;
  padding: 12px;
  text-align: left;
  border: 1px solid rgba(31, 44, 64, 0.1);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  color: var(--text);
  cursor: grab;
  box-shadow: 0 10px 24px rgba(31, 44, 64, 0.08);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}

.academic-tree-class-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.32);
  box-shadow: 0 16px 30px rgba(31, 44, 64, 0.12);
}

.academic-tree-class-card strong,
.academic-tree-class-card span {
  display: block;
}

.academic-tree-class-card span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.academic-tree-canvas-wrap {
  position: relative;
  min-height: 620px;
  min-width: 0;
  overflow: auto;
  border: 1px solid rgba(31, 44, 64, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(rgba(31, 44, 64, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 44, 64, 0.05) 1px, transparent 1px),
    rgba(255, 255, 255, 0.7);
  background-size: 32px 32px;
}

.academic-tree-canvas-wrap.is-dragging {
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.12);
}

.academic-tree-canvas-hint {
  position: sticky;
  top: 10px;
  left: 12px;
  z-index: 3;
  display: inline-flex;
  margin: 10px;
  padding: 8px 10px;
  border: 1px solid rgba(37, 99, 235, 0.16);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  backdrop-filter: blur(12px);
}

.academic-tree-canvas {
  position: relative;
  width: max(100%, 720px);
  min-height: 620px;
}

.academic-tree-lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.academic-tree-lines line {
  stroke: rgba(37, 99, 235, 0.44);
  stroke-width: 3;
  stroke-linecap: round;
}

.academic-tree-lines path {
  fill: none;
  stroke: rgba(0, 106, 97, 0.58);
  stroke-width: 3.25;
  stroke-linecap: round;
  marker-end: url("#academic-tree-arrow");
  filter: drop-shadow(0 4px 8px rgba(0, 106, 97, 0.16));
}

.academic-tree-lines marker path {
  fill: rgba(0, 106, 97, 0.72);
}

.academic-tree-node {
  position: absolute;
  width: 188px;
  min-height: 88px;
  padding: 12px 34px 12px 18px;
  border: 1px solid rgba(37, 99, 235, 0.28);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 30px rgba(31, 44, 64, 0.12);
  cursor: grab;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

.academic-tree-node:hover {
  transform: translateY(-2px);
  border-color: rgba(37, 99, 235, 0.5);
  box-shadow: 0 20px 38px rgba(31, 44, 64, 0.16);
}

.academic-tree-node.is-selected {
  border-color: rgba(180, 83, 9, 0.72);
  box-shadow: 0 0 0 4px rgba(180, 83, 9, 0.14), 0 18px 36px rgba(31, 44, 64, 0.16);
}

.academic-tree-node span,
.academic-tree-node small {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
}

.academic-tree-node strong {
  display: block;
  margin: 4px 0;
  font-size: 0.95rem;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.academic-tree-connector {
  position: absolute;
  top: 50%;
  z-index: 2;
  width: 18px;
  height: 18px;
  padding: 0;
  border: 3px solid #fff;
  border-radius: 999px;
  background: var(--secondary);
  box-shadow: 0 0 0 1px rgba(0, 106, 97, 0.38), 0 6px 12px rgba(31, 44, 64, 0.18);
  transform: translateY(-50%);
  cursor: crosshair;
}

.academic-tree-connector:hover,
.academic-tree-connector:focus-visible {
  background: var(--warning);
  box-shadow: 0 0 0 5px rgba(180, 83, 9, 0.16), 0 8px 16px rgba(31, 44, 64, 0.2);
  outline: none;
}

.academic-tree-connector--in {
  left: -9px;
}

.academic-tree-connector--out {
  right: -9px;
}

.academic-tree-node__remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border: 0;
  border-radius: 999px;
  background: rgba(239, 68, 68, 0.1);
  color: #b91c1c;
  cursor: pointer;
}

.academic-tree-edge-row {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: space-between;
  padding: 10px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  border-radius: 8px;
  background: #fff;
}

.academic-tree-edge-row span {
  min-width: 0;
  font-size: 0.82rem;
  line-height: 1.3;
}

.academic-tree-unlock {
  display: grid;
  gap: 10px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid rgba(31, 44, 64, 0.1);
}

.academic-tree-connect {
  display: grid;
  gap: 8px;
  margin-bottom: 14px;
}

.academic-tree-connect-hint {
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.student-subject-tree-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 16px;
}

.student-subject-tree-summary article,
.student-subject-tree-sidebar {
  padding: 16px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.66);
}

.student-subject-tree-summary strong {
  display: block;
  margin-top: 4px;
  font-size: 1.6rem;
}

.student-subject-tree-summary p {
  margin: 4px 0 0;
  color: var(--muted);
}

.student-subject-tree-alert {
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-weight: 700;
}

.student-subject-tree-alert.is-info {
  background: rgba(37, 99, 235, 0.1);
  color: #1d4ed8;
}

.student-subject-tree-alert.is-success {
  background: rgba(22, 163, 74, 0.1);
  color: #15803d;
}

.student-subject-tree-alert.is-warning {
  background: rgba(245, 158, 11, 0.14);
  color: #92400e;
}

.student-subject-tree-alert.is-error {
  background: rgba(239, 68, 68, 0.12);
  color: #b91c1c;
}

.student-subject-tree-layout {
  display: grid;
  grid-template-columns: minmax(420px, 1fr) 280px;
  gap: 16px;
}

.student-subject-tree-map {
  position: relative;
  min-height: 620px;
  min-width: 0;
  overflow: auto;
  border: 1px solid rgba(31, 44, 64, 0.1);
  border-radius: 8px;
  background:
    linear-gradient(rgba(31, 44, 64, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(31, 44, 64, 0.045) 1px, transparent 1px),
    rgba(255, 255, 255, 0.72);
  background-size: 32px 32px;
}

.student-subject-tree-empty {
  padding: 28px;
  color: var(--muted);
}

.student-subject-lines {
  position: absolute;
  inset: 0;
  min-width: 960px;
  min-height: 620px;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.student-subject-lines line {
  stroke: rgba(31, 44, 64, 0.22);
  stroke-width: 3;
  stroke-linecap: round;
}

.student-subject-node {
  position: absolute;
  width: 208px;
  min-height: 96px;
  padding: 12px 14px;
  border: 1px solid rgba(31, 44, 64, 0.12);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  text-align: left;
  box-shadow: 0 14px 34px rgba(31, 44, 64, 0.12);
  cursor: pointer;
}

.student-subject-node:disabled {
  cursor: not-allowed;
}

.student-subject-node span,
.student-subject-node small,
.student-subject-node em {
  display: block;
}

.student-subject-node span {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
}

.student-subject-node strong {
  display: block;
  margin: 5px 0;
  line-height: 1.18;
}

.student-subject-node small,
.student-subject-node em {
  color: var(--muted);
  font-size: 0.76rem;
  font-style: normal;
  line-height: 1.3;
}

.student-subject-node.is-available {
  border-color: rgba(37, 99, 235, 0.42);
}

.student-subject-node.is-selected {
  border-color: rgba(22, 163, 74, 0.52);
  background: rgba(236, 253, 245, 0.98);
}

.student-subject-node.is-approved {
  border-color: rgba(22, 163, 74, 0.42);
  background: rgba(240, 253, 244, 0.95);
}

.student-subject-node.is-locked {
  opacity: 0.64;
  background: rgba(248, 250, 252, 0.95);
}

.student-subject-tree-sidebar {
  align-self: start;
  position: sticky;
  top: 16px;
}

.student-subject-tree-sidebar h3 {
  margin: 0 0 12px;
}

.student-subject-tree-selection-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.student-subject-selection-item {
  padding: 10px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  border-radius: 8px;
  background: #fff;
}

.student-subject-selection-item strong,
.student-subject-selection-item span {
  display: block;
}

.student-subject-selection-item span {
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.8rem;
}

/* SIGEES Core harmonization layer */
.admin-section,
.dashboard-section,
.info-card,
.summary-card,
.detail-card,
.quick-action-card,
.teacher-class-card,
.teacher-access-card,
.finance-summary-card,
.finance-queue-card,
.payments-plan-summary__card,
.payments-summary__card,
.ticket-modal__summary-card,
.registration-status-card,
.registration-form-card,
.signature-card,
.academic-schedules-card,
.academic-tree-class-card,
.student-finance-card,
.student-overview-card,
.student-kpi-card,
.student-day-card,
.student-class-card,
.student-monthly-plan-card,
.student-payment-modal__dialog,
.student-proof-modal__dialog,
.admin-modal__dialog,
.ticket-modal__dialog {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.admin-modal__dialog,
.ticket-modal__dialog,
.student-payment-modal__dialog,
.student-proof-modal__dialog {
  box-shadow: var(--shadow-strong);
}

.admin-section h2,
.dashboard-section h2,
.info-card h2,
.detail-card h3,
.teacher-class-card h3,
.finance-queue-card__body h3,
.academic-schedules-card__header h3,
.student-finance-card h3,
.student-class-card h3,
.student-day-card__item strong,
.student-overview-card h3,
.student-kpi-card strong {
  letter-spacing: 0;
}

.finance-summary-card strong,
.payments-plan-summary__card strong,
.payments-summary__card strong,
.student-kpi-card strong,
.student-monthly-plan-card strong,
.student-timetable__time,
.student-timetable__day span,
.detail-link-box code,
.table-link,
.ticket-modal__summary-card strong {
  font-family: var(--font-mono);
}

.table-action-button,
.student-proof-button,
.signature-icon-button,
.student-proof-modal__icon-button,
.registration-badge,
.student-calendar-pill,
.teacher-class-card__meta span,
.student-timetable__class,
.student-payment-status,
.ticket-status-badge {
  border-radius: var(--radius-md);
}

.table-action-button,
.student-proof-button,
.signature-icon-button,
.student-proof-modal__icon-button {
  border: 1px solid var(--line-soft);
  background: var(--surface);
  color: var(--text);
  box-shadow: none;
}

.table-action-button:hover,
.student-proof-button:hover,
.signature-icon-button:hover,
.student-proof-modal__icon-button:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 142, 191, 0.28);
  box-shadow: var(--shadow-strong);
}

.table-action-button.is-success,
.signature-icon-button--primary,
.student-dashboard-page .table-action-button {
  background: var(--secondary);
  border-color: var(--secondary);
  color: #ffffff;
}

.table-action-button.is-danger {
  background: rgba(186, 26, 26, 0.1);
  border-color: rgba(186, 26, 26, 0.16);
  color: var(--danger);
}

.finance-summary-card--success,
.payments-status-paid,
.student-status-paid,
.student-calendar-pill.is-class {
  background: rgba(0, 106, 97, 0.1);
  color: var(--secondary);
}

.finance-summary-card--info,
.payments-status-pending,
.student-status-pending,
.student-calendar-pill {
  background: rgba(0, 142, 191, 0.1);
  color: var(--tertiary-strong);
}

.finance-summary-card--warning,
.payments-status-partial,
.student-status-partial {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warning);
}

.finance-summary-card--danger,
.payments-status-overdue,
.student-status-overdue {
  background: rgba(186, 26, 26, 0.1);
  color: var(--danger);
}

.data-table tbody tr:hover td {
  background: var(--surface-soft);
}

.main-panel,
.student-main-panel {
  min-width: 0;
}

@media (max-width: 1100px) {
  .academic-tree-toolbar,
  .academic-tree-builder,
  .student-subject-tree-summary,
  .student-subject-tree-layout {
    grid-template-columns: 1fr;
  }

  .academic-tree-canvas-wrap {
    min-height: 520px;
  }
}

@media (max-width: 980px) {
  .sigees-toast-layer {
    top: 18px;
    right: 18px;
    left: 18px;
    width: auto;
  }

  .auth-layout,
  .app-shell,
  .dashboard-grid,
  .quick-actions,
  .form-grid,
  .students-layout,
  .filter-toolbar,
  .registration-hero,
  .registration-grid.cols-2,
  .registration-grid.cols-3,
  .registration-grid.cols-4 {
    grid-template-columns: 1fr;
  }

  .app-shell {
    width: 100%;
    padding: 76px clamp(12px, 4vw, 22px) 22px;
    gap: 0;
  }

  body.sidebar-collapsed .app-shell {
    grid-template-columns: 1fr;
  }

  .mobile-menu-toggle {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 1201;
    display: inline-grid;
    place-items: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid var(--line-soft);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--shadow-strong);
    backdrop-filter: blur(16px);
  }

  .mobile-menu-toggle__bar {
    position: absolute;
    width: 22px;
    height: 2px;
    border-radius: 999px;
    background: var(--primary);
    transition: transform 0.24s ease, opacity 0.18s ease;
  }

  .mobile-menu-toggle__bar:nth-child(1) {
    transform: translateY(-7px);
  }

  .mobile-menu-toggle__bar:nth-child(3) {
    transform: translateY(7px);
  }

  body.mobile-nav-open .mobile-menu-toggle__bar:nth-child(1) {
    transform: rotate(45deg);
  }

  body.mobile-nav-open .mobile-menu-toggle__bar:nth-child(2) {
    opacity: 0;
    transform: scaleX(0.2);
  }

  body.mobile-nav-open .mobile-menu-toggle__bar:nth-child(3) {
    transform: rotate(-45deg);
  }

  .mobile-menu-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1190;
    display: block;
    border: 0;
    background: rgba(11, 28, 48, 0.32);
    opacity: 0;
    pointer-events: none;
    backdrop-filter: blur(3px);
    transition: opacity 0.24s ease;
  }

  body.mobile-nav-open .mobile-menu-backdrop {
    opacity: 1;
    pointer-events: auto;
  }

  .sidebar,
  .student-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1200;
    width: min(86vw, 340px);
    height: 100dvh;
    max-height: none;
    padding: 84px 18px 20px;
    border-radius: 0 22px 22px 0;
    overflow-y: auto;
    transform: translateX(calc(-100% - 18px));
    transition: transform 0.28s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.28s ease;
    will-change: transform;
  }

  body.mobile-nav-open .sidebar,
  body.mobile-nav-open .student-sidebar {
    transform: translateX(0);
    box-shadow: 18px 0 48px rgba(15, 23, 42, 0.18);
  }

  body.sidebar-collapsed .brand-copy,
  body.sidebar-collapsed .nav-label {
    display: grid;
  }

  body.sidebar-collapsed .sidebar,
  body.sidebar-collapsed .student-sidebar {
    align-items: stretch;
  }

  body.sidebar-collapsed .nav-item,
  body.sidebar-collapsed .sidebar-toggle {
    justify-content: flex-start;
    padding-inline: 14px;
  }

  .sidebar .sidebar-toggle,
  .student-sidebar .sidebar-toggle {
    display: none;
  }

  .registration-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .topbar,
  .field-label-row,
  .form-options,
  .main-header,
  .section-header,
  .admin-header-row,
  .admin-modal__header,
  .profile-editor__toolbar {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-list {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .registration-span-2 {
    grid-column: auto;
  }

  .ticket-modal__dialog {
    width: min(100vw - 24px, 980px);
    padding: 22px;
  }

  .ticket-modal__group--span-2 {
    grid-column: auto;
  }

  .ticket-modal__summary {
    grid-template-columns: 1fr;
  }

  .signature-card__header {
    flex-direction: column;
  }

  .signature-modal__topbar,
  .signature-modal__footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .signature-modal__tools {
    width: 100%;
    justify-content: flex-end;
  }

  .profile-editor__toolbar {
    align-items: stretch;
  }

  .profile-editor__toolbar .profile-tabs {
    width: 100%;
  }

  .profile-editor__toolbar .detail-actions {
    width: 100%;
    margin-left: 0;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }

  .profile-editor__toolbar .detail-actions .btn,
  .profile-editor__toolbar .detail-actions a.btn {
    width: 100%;
    min-width: 0;
    margin: 0;
  }

  .payments-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .payments-plan-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .finance-summary-grid,
  .finance-queue-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .finance-hero,
  .finance-section-header {
    flex-direction: column;
    align-items: stretch;
  }

  .academic-summary-grid {
    grid-template-columns: 1fr;
  }

  .academic-flow-strip,
  .academic-class-finder {
    grid-template-columns: 1fr;
  }

  .academic-flow-strip::before {
    top: 20px;
    bottom: 20px;
    left: 33px;
    right: auto;
    width: 3px;
    height: auto;
    background: linear-gradient(180deg, #006a61, #008ebf 38%, #b45309 68%, #131b2e);
  }

  .academic-flow-step {
    min-height: auto;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: center;
  }

  .academic-flow-step small {
    grid-column: 2;
  }

  .academic-toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .academic-panel__header {
    flex-direction: column;
    align-items: stretch;
  }

  .academic-schedules-card__header,
  .academic-schedule-item__header {
    flex-direction: column;
    align-items: stretch;
  }

  .academic-tree-search input {
    min-width: 0;
  }
}

@media (max-width: 640px) {
  .sigees-toast {
    padding: 14px 14px 14px 16px;
    border-radius: var(--radius-lg);
  }

  html {
    font-size: 15px;
  }

  .topbar,
  .auth-layout,
  .footer,
  .app-shell {
    padding-inline: 16px;
  }

  .auth-layout {
    padding-top: 8px;
  }

  .auth-card,
  .sidebar,
  .info-card {
    border-radius: var(--radius-lg);
  }

  .brand-mark {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
  }

  .brand-mark--logo {
    border-radius: var(--radius-md);
  }

  .auth-copy h1,
  .main-header h1 {
    font-size: 2rem;
  }

  .btn,
  input[type="email"],
  input[type="password"],
  input[type="text"],
  input[type="number"],
  input[type="date"],
  input[type="time"],
  input[type="tel"],
  textarea,
  select {
    min-height: 48px;
  }

  .pill,
  .status-badge {
    width: 100%;
    justify-content: center;
  }

  .topbar-actions {
    width: 100%;
  }

  .registration-actions {
    flex-direction: column-reverse;
  }

  .registration-steps {
    grid-template-columns: 1fr;
  }

  .profile-editor__toolbar .detail-actions {
    grid-template-columns: 1fr;
  }

  .payments-summary {
    grid-template-columns: 1fr;
  }

  .payments-plan-summary {
    grid-template-columns: 1fr;
  }

  .finance-summary-grid,
  .finance-queue-grid,
  .finance-filter-toolbar {
    grid-template-columns: 1fr;
  }

  .signature-modal__dialog {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
    padding: 16px;
  }

  .signature-modal__body {
    overflow: hidden;
  }

  .signature-canvas--fullscreen {
    min-height: 280px;
    height: min(72vh, 560px);
  }
}

@media (orientation: landscape) and (max-width: 980px) {
  .signature-modal__dialog {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
    padding: 14px;
  }

  .signature-modal__body {
    min-height: 0;
    overflow: hidden;
  }

  .signature-canvas--fullscreen {
    min-height: 240px;
    height: min(74vh, 560px);
  }
}

.app-shell--student {
  align-items: start;
}

.student-main-panel {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.student-sidebar {
  position: sticky;
  top: 16px;
}

.student-panel-screen {
  display: grid;
  gap: 1.5rem;
  min-width: 0;
}

.student-panel-screen[hidden] {
  display: none !important;
}

.student-dashboard-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.9fr);
  gap: 1.5rem;
  padding: clamp(24px, 3vw, 36px);
  border-radius: 34px;
  overflow: hidden;
  position: relative;
}

.student-dashboard-hero::after {
  content: "";
  position: absolute;
  inset: auto -8% -30% 42%;
  height: 220px;
  background: radial-gradient(circle, rgba(13, 125, 242, 0.18), transparent 68%);
  pointer-events: none;
}

.student-dashboard-hero__copy,
.student-dashboard-hero__panel {
  position: relative;
  z-index: 1;
}

.student-dashboard-hero__copy h1 {
  margin: 0 0 14px;
  font-size: 3rem;
  line-height: 1.02;
  max-width: 12ch;
}

.student-dashboard-hero__copy p {
  margin: 0;
  max-width: 60ch;
  color: #334155;
  line-height: 1.65;
}

.student-dashboard-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.student-dashboard-hero__panel {
  display: grid;
  gap: 16px;
}

.student-hero-highlight,
.student-finance-card,
.student-overview-card,
.student-kpi-card,
.student-day-card,
.student-class-card,
.student-agenda-item {
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-hero-highlight {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.student-hero-highlight--soft {
  background: rgba(248, 250, 252, 0.92);
}

.student-hero-highlight strong {
  font-size: 1.4rem;
  line-height: 1.15;
}

.student-hero-highlight p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.student-hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.student-dashboard-kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.student-kpi-card {
  display: grid;
  gap: 8px;
  padding: 20px;
}

.student-kpi-card strong {
  font-size: 2rem;
  line-height: 1;
}

.student-kpi-card small {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.student-dashboard-overview {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(280px, 0.9fr);
  gap: 1rem;
}

.student-overview-card {
  padding: 24px;
  min-width: 0;
}

.student-overview-card--compact {
  display: grid;
  align-content: start;
  gap: 18px;
}

.student-profile-layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.9fr) minmax(0, 1.4fr);
  gap: 1rem;
  min-width: 0;
}

.student-profile-card {
  min-width: 0;
}

.student-profile-panel {
  display: grid;
  gap: 20px;
}

.student-profile-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 10px;
}

.student-profile-tab {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(248, 250, 252, 0.92);
  color: #334155;
  font-weight: 700;
}

.student-profile-tab.is-active {
  background: rgba(13, 125, 242, 0.12);
  border-color: rgba(13, 125, 242, 0.18);
  color: var(--primary-strong);
}

.student-profile-tab-panel {
  display: grid;
  gap: 1rem;
}

.student-profile-tab-panel[hidden] {
  display: none !important;
}

.student-quick-actions {
  display: grid;
  gap: 12px;
}

.student-quick-actions__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(31, 44, 64, 0.08);
  color: inherit;
  text-decoration: none;
}

.student-quick-actions__item strong,
.student-quick-actions__item p {
  margin: 0;
}

.student-quick-actions__item p {
  color: var(--muted);
  line-height: 1.55;
}

.student-profile-summary {
  display: grid;
  gap: 14px;
}

.student-profile-summary__item {
  display: grid;
  gap: 6px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(31, 44, 64, 0.08);
}

.student-profile-summary__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.student-profile-summary__item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.student-profile-form {
  display: grid;
  gap: 22px;
}

.student-form-block {
  display: grid;
  gap: 16px;
  padding-top: 6px;
}

.student-form-block h3 {
  margin: 0;
  font-size: 1.02rem;
}

.student-validation-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.student-validation-strip>div {
  padding: 16px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.9);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-validation-strip strong {
  display: block;
  margin-top: 6px;
  font-size: 1.3rem;
}

.student-dashboard-section {
  border-radius: 30px;
  padding: clamp(20px, 3vw, 30px);
  min-width: 0;
  overflow: hidden;
}

.student-calendar-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.student-calendar-legend {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 0.92rem;
}

.student-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 8px;
}

.student-dot--class {
  background: #3b82f6;
}

.student-dot--today {
  background: #f97316;
}

.student-dot--selected {
  background: #0f172a;
}

.student-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.student-calendar-grid-wrap {
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 4px;
}

.student-calendar-grid__weekday {
  padding: 0 4px 4px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.student-calendar-cell {
  min-height: 142px;
  padding: 14px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.68);
  border: 1px solid rgba(31, 44, 64, 0.06);
  display: grid;
  gap: 10px;
  width: 100%;
  min-width: 0;
  text-align: left;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.student-calendar-cell.is-muted {
  opacity: 0.55;
}

.student-calendar-cell.is-today {
  border-color: rgba(249, 115, 22, 0.35);
  box-shadow: inset 0 0 0 1px rgba(249, 115, 22, 0.18);
}

.student-calendar-cell.has-session {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(240, 253, 244, 0.9) 100%);
}

.student-calendar-cell.is-selected {
  border-color: rgba(15, 23, 42, 0.22);
  box-shadow: 0 18px 28px rgba(15, 23, 42, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(226, 232, 240, 0.85) 100%);
}

.student-calendar-cell:hover {
  transform: translateY(-1px);
}

.student-calendar-cell__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.student-calendar-cell__header span {
  color: var(--muted);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.student-calendar-cell__body {
  display: grid;
  align-content: start;
  gap: 8px;
}

.student-calendar-pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  min-width: 0;
  max-width: 100%;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(0, 106, 97, 0.1);
  color: var(--secondary);
  font-size: 0.82rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.student-calendar-pill.is-event-no_classes,
.student-calendar-pill.is-event-holiday {
  background: rgba(180, 83, 9, 0.1);
  color: var(--warning);
}

.student-calendar-pill.is-event-deart_event {
  background: rgba(0, 142, 191, 0.1);
  color: var(--tertiary-strong);
}

.student-calendar-pill.is-event-deadline,
.student-calendar-pill.is-event-evaluation {
  background: rgba(186, 26, 26, 0.1);
  color: var(--danger);
}

.student-calendar-pill.is-more {
  background: rgba(15, 23, 42, 0.08);
  color: #334155;
}

.student-calendar-agenda {
  display: grid;
  gap: 12px;
}

.student-calendar-itinerary {
  margin-top: 18px;
  padding: 22px;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-calendar-itinerary__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.student-calendar-itinerary__header h3 {
  margin: 6px 0 0;
  font-size: 1.5rem;
}

.student-agenda-item {
  padding: 18px;
  display: grid;
  gap: 8px;
}

.student-agenda-item--timeline {
  grid-template-columns: minmax(120px, 160px) 1fr;
  align-items: start;
  gap: 16px;
}

.student-agenda-item--event {
  border-radius: 18px;
  border: 1px solid rgba(31, 44, 64, 0.08);
  background: rgba(255, 255, 255, 0.72);
}

.student-agenda-item__hour {
  display: grid;
  gap: 4px;
  padding-right: 16px;
  border-right: 1px solid rgba(31, 44, 64, 0.08);
}

.student-agenda-item__hour span {
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.student-agenda-item__hour strong {
  font-size: 1.02rem;
}

.student-agenda-item__content {
  display: grid;
  gap: 6px;
}

.student-agenda-item strong,
.student-class-card h3 {
  margin: 0;
  font-size: 1.08rem;
}

.student-agenda-item p,
.student-class-card p,
.student-day-card__item span,
.student-day-card__empty {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}

.student-weekly-schedule {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.student-day-card {
  padding: 18px;
  display: grid;
  align-content: start;
  gap: 12px;
  min-width: 0;
}

.student-day-card.is-idle {
  background: rgba(255, 255, 255, 0.54);
  border-style: dashed;
  border-color: rgba(148, 163, 184, 0.22);
  box-shadow: none;
}

.student-day-card header {
  display: grid;
  gap: 4px;
}

.student-day-card header span {
  color: var(--muted);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0;
}

.student-day-card__item {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  background: rgba(248, 250, 252, 0.88);
  min-width: 0;
}

.student-day-card__item strong {
  font-size: 0.96rem;
}

.student-week-empty-state {
  grid-column: 1 / -1;
  padding: 28px;
  border-radius: 28px;
  background:
    radial-gradient(circle at top right, rgba(13, 125, 242, 0.1), transparent 30%),
    rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 44, 64, 0.08);
  display: grid;
  gap: 14px;
}

.student-week-empty-state h3 {
  margin: 0;
  font-size: 1.5rem;
}

.student-week-empty-state p {
  margin: 0;
  max-width: 68ch;
  color: var(--muted);
  line-height: 1.65;
}

.student-week-empty-state__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  width: fit-content;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.08);
  color: #0f172a;
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

.student-week-empty-state__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.student-week-empty-state__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 12px;
  border-radius: 999px;
  background: rgba(248, 250, 252, 0.92);
  color: #334155;
  font-size: 0.9rem;
}

.student-schedule-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.student-schedule-download p {
  margin: 0;
  max-width: 60ch;
  color: var(--muted);
}

.student-timetable-wrap {
  min-width: 0;
  overflow-x: auto;
}

.student-timetable {
  display: grid;
  grid-template-columns: minmax(120px, 150px) repeat(7, minmax(170px, 1fr));
  gap: 1px;
  min-width: 1320px;
  border-radius: 24px;
  overflow: hidden;
  background: rgba(31, 44, 64, 0.08);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-timetable--timeline {
  grid-auto-flow: row;
  position: relative;
  align-items: stretch;
}

.student-timetable__corner,
.student-timetable__day,
.student-timetable__time,
.student-timetable__cell {
  background: rgba(255, 255, 255, 0.94);
  min-width: 0;
}

.student-timetable__corner,
.student-timetable__day {
  min-height: 72px;
  display: grid;
  place-items: center;
  padding: 14px;
}

.student-timetable__corner {
  font-size: 0.84rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  color: var(--muted);
}

.student-timetable__day {
  gap: 4px;
  text-align: center;
}

.student-timetable__day span {
  font-size: 0.82rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0;
}

.student-timetable__day strong {
  font-size: 1rem;
}

.student-timetable__time {
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 16px 14px;
  font-size: 0.92rem;
  color: #0f172a;
}

.student-timetable__time--slot {
  padding: 6px 10px;
  font-size: 0.8rem;
  align-content: start;
}

.student-timetable__cell {
  min-height: 120px;
  padding: 10px;
  display: grid;
  align-content: start;
  gap: 8px;
}

.student-timetable__cell--slot {
  min-height: 42px;
  padding: 0;
  background:
    linear-gradient(180deg, rgba(248, 250, 252, 0.92) 0%, rgba(248, 250, 252, 0.92) 100%),
    rgba(255, 255, 255, 0.94);
}

.student-timetable__cell.is-empty {
  place-items: center;
  color: #94a3b8;
  font-weight: 700;
}

.student-timetable__class {
  display: grid;
  gap: 4px;
  padding: 12px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(239, 246, 255, 0.95) 0%, rgba(219, 234, 254, 0.92) 100%);
  border: 1px solid rgba(59, 130, 246, 0.12);
}

.student-timetable__class--span {
  z-index: 2;
  margin: 5px;
  min-height: 0;
  align-content: start;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.12);
}

.student-timetable__class strong {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.student-timetable__class span {
  color: var(--muted);
  font-size: 0.84rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.student-timetable__class--button {
  width: 100%;
  border: 0;
  text-align: left;
  cursor: pointer;
}

.student-finance-layout {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
  min-width: 0;
}

.student-finance-card {
  padding: 22px;
  display: grid;
  gap: 14px;
  min-width: 0;
}

.student-finance-card h3 {
  margin: 0;
  font-size: 1.12rem;
}

.student-finance-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.student-finance-mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.student-finance-mini-grid>div {
  padding: 14px;
  border-radius: 18px;
  background: rgba(248, 250, 252, 0.88);
}

.student-finance-mini-grid strong {
  display: block;
  margin-top: 6px;
  font-size: 1.1rem;
}

.student-payments-table-wrap .data-table {
  min-width: 920px;
}

.student-monthly-plan-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.student-monthly-plan-card {
  padding: 20px;
  border-radius: 22px;
  background: rgba(248, 250, 252, 0.88);
  border: 1px solid rgba(31, 44, 64, 0.08);
  display: grid;
  gap: 8px;
  min-width: 0;
}

.student-monthly-plan-card strong {
  font-size: 1.2rem;
  overflow-wrap: anywhere;
}

.student-monthly-plan-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.status-payment-scheduled {
  background: rgba(13, 125, 242, 0.1);
  color: var(--primary-strong);
}

.status-payment-scheduled_overdue {
  background: rgba(245, 158, 11, 0.14);
  color: #b45309;
}

.student-concept-chip {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(13, 125, 242, 0.1);
  color: var(--primary-strong);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.student-proof-button {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(31, 44, 64, 0.12);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.95);
  color: var(--primary-strong);
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.student-proof-button:hover {
  transform: translateY(-1px);
  border-color: rgba(13, 125, 242, 0.24);
  background: #ffffff;
}

.student-proof-button svg {
  width: 20px;
  height: 20px;
}

.student-payment-modal {
  position: fixed;
  inset: 0;
  z-index: 125;
}

.student-payment-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(8px);
}

.student-payment-modal__dialog {
  position: relative;
  width: min(92vw, 720px);
  margin: 6vh auto;
  background: #ffffff;
  border-radius: 26px;
  padding: 22px;
  display: grid;
  gap: 18px;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.24);
}

.student-payment-modal__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.student-payment-modal__header h3 {
  margin: 0;
}

.student-payment-modal__body {
  display: grid;
  gap: 18px;
}

.student-payment-modal__summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  padding: 16px 18px;
  border-radius: 20px;
  background: rgba(248, 250, 252, 0.96);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-payment-modal__summary strong {
  display: block;
  margin-top: 4px;
}

.student-payment-modal__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.student-payment-modal__file-button {
  justify-content: flex-start;
}

.student-payment-modal__checkbox {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(243, 247, 251, 0.9);
  border: 1px solid rgba(31, 44, 64, 0.08);
}

.student-payment-modal__note {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(13, 125, 242, 0.08);
  color: #0f3f78;
  line-height: 1.5;
}

.student-proof-modal {
  position: fixed;
  inset: 0;
  z-index: 130;
}

.student-proof-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.68);
  backdrop-filter: blur(8px);
}

.student-proof-modal__dialog {
  position: relative;
  width: min(94vw, 1100px);
  height: min(92vh, 860px);
  margin: 4vh auto;
  background: #ffffff;
  border-radius: 26px;
  padding: 20px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  overflow: hidden;
  box-shadow: 0 28px 60px rgba(15, 23, 42, 0.26);
}

.student-proof-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.student-proof-modal__header h3 {
  margin: 0;
}

.student-proof-modal__tools {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.student-proof-modal__icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(31, 44, 64, 0.12);
  border-radius: 14px;
  background: rgba(248, 250, 252, 0.96);
  color: #0f172a;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.student-proof-modal__icon-button:disabled {
  opacity: 0.45;
}

.student-proof-modal__icon-button svg {
  width: 20px;
  height: 20px;
}

.student-proof-modal__body {
  min-height: 0;
  overflow: auto;
  display: grid;
  place-items: center;
  border-radius: 20px;
  background: linear-gradient(180deg, #f8fafc 0%, #eef2f7 100%);
}

.student-proof-modal__image {
  max-width: 100%;
  max-height: 100%;
  transform-origin: center center;
  transition: transform 0.18s ease;
}

.student-proof-modal__frame {
  width: 100%;
  height: 100%;
  border: 0;
  border-radius: 16px;
  background: #ffffff;
}

.teacher-classes-stack {
  display: grid;
  gap: 18px;
}

.teacher-classes-table-wrap .data-table {
  min-width: 920px;
}

.teacher-class-card {
  display: grid;
  gap: 18px;
  padding: 22px;
}

.teacher-class-card__header h3 {
  margin: 6px 0 0;
}

.teacher-class-card__header p {
  margin: 8px 0 0;
  color: var(--muted);
}

.teacher-rubric-toolbar {
  display: grid;
  gap: 14px;
}

.teacher-rubric-list {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.teacher-rubric-form {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) 120px auto;
  gap: 10px;
}

.teacher-rubric-form input,
.teacher-rubric-select {
  min-height: 44px;
  border-radius: 14px;
  border: 1px solid rgba(31, 44, 64, 0.12);
  padding: 0 14px;
  background: #fff;
}

.teacher-rubric-table {
  min-width: 860px;
}

.teacher-rubric-table td strong {
  display: block;
}

.teacher-class-detail-panel {
  display: grid;
  gap: 18px;
}

.teacher-class-detail-summary h3 {
  margin: 0;
}

.teacher-class-detail-summary p {
  margin: 6px 0 0;
}

.teacher-class-detail-tabs {
  margin-top: 4px;
}

.teacher-dashboard-page .student-dashboard-hero::after {
  background: radial-gradient(circle, rgba(11, 163, 96, 0.16), transparent 68%);
}

.student-class-card h3,
.student-hero-highlight strong,
.student-agenda-item strong,
.student-day-card__item strong,
.student-finance-card h3 {
  overflow-wrap: anywhere;
}

.student-fiscal-form {
  display: grid;
  gap: 18px;
  margin-top: 24px;
  padding-top: 24px;
  border-top: 1px solid rgba(31, 44, 64, 0.08);
}

.student-dashboard-page .dashboard-message {
  margin-bottom: 18px;
}

.student-dashboard-page .table-action-button {
  min-height: 42px;
}

.status-scheduled {
  background: rgba(13, 125, 242, 0.12);
  color: var(--primary-strong);
}

.status-completed {
  background: rgba(15, 157, 108, 0.12);
  color: #0d7c58;
}

.status-cancelled {
  background: rgba(203, 51, 75, 0.14);
  color: #b4233c;
}

.auth-layout--student {
  align-items: center;
}

.student-dashboard-hero::after,
.teacher-dashboard-page .student-dashboard-hero::after {
  content: none;
}

.student-dashboard-hero,
.student-hero-highlight,
.student-finance-card,
.student-overview-card,
.student-kpi-card,
.student-day-card,
.student-class-card,
.student-agenda-item,
.student-calendar-itinerary,
.student-dashboard-section,
.student-monthly-plan-card,
.student-payment-modal__dialog,
.student-proof-modal__dialog,
.teacher-class-card {
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow);
}

.student-dashboard-hero__copy h1 {
  line-height: 1.16;
  letter-spacing: 0;
}

.student-dashboard-hero__copy p,
.student-day-card__item span,
.student-class-card p,
.student-finance-card p {
  color: var(--muted);
}

.student-profile-tab,
.student-quick-actions__item,
.student-validation-strip>div,
.student-calendar-cell,
.student-day-card__item,
.student-week-empty-state,
.student-payment-modal__summary,
.student-payment-modal__checkbox,
.student-payment-modal__note,
.student-proof-modal__body,
.student-timetable,
.student-timetable__corner,
.student-timetable__day,
.student-timetable__time,
.student-timetable__cell,
.student-timetable__class,
.teacher-rubric-form input,
.teacher-rubric-select {
  border-radius: var(--radius-md);
  background: var(--surface);
  border: 1px solid var(--line-soft);
}

.student-profile-tab.is-active,
.student-calendar-cell.has-session,
.student-calendar-cell.is-selected,
.student-timetable__class,
.status-scheduled {
  background: rgba(0, 142, 191, 0.1);
  border-color: rgba(0, 142, 191, 0.16);
  color: var(--tertiary-strong);
  box-shadow: none;
}

.status-completed {
  background: rgba(0, 106, 97, 0.1);
  color: var(--secondary);
}

.status-cancelled {
  background: rgba(186, 26, 26, 0.1);
  color: var(--danger);
}

.student-dot--class {
  background: var(--tertiary);
}

.student-dot--today {
  background: var(--warning);
}

.student-dot--selected {
  background: var(--primary);
}

@media (max-width: 1280px) {

  .dashboard-grid--admin,
  .dashboard-split {
    grid-template-columns: 1fr 1fr;
  }

  .admin-command-center {
    grid-template-columns: 1fr;
  }

  .student-dashboard-kpis {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .student-weekly-schedule {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 1080px) {
  .app-shell--student {
    grid-template-columns: 1fr;
  }

  .student-sidebar {
    position: static;
  }

  .student-dashboard-hero,
  .student-dashboard-overview,
  .student-profile-layout,
  .student-finance-layout {
    grid-template-columns: 1fr;
  }

  .student-monthly-plan-grid {
    grid-template-columns: 1fr;
  }

  .student-calendar-grid {
    grid-template-columns: repeat(7, minmax(96px, 1fr));
  }
}

@media (max-width: 920px) {

  .dashboard-grid--admin,
  .dashboard-split {
    grid-template-columns: 1fr;
  }

  .student-dashboard-kpis,
  .student-finance-layout,
  .student-finance-mini-grid,
  .student-validation-strip,
  .student-weekly-schedule {
    grid-template-columns: 1fr 1fr;
  }

  .teacher-class-list {
    grid-template-columns: 1fr;
  }

  .teacher-access-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .teacher-modal {
    width: min(96vw, 720px);
    max-height: calc(100vh - 24px);
    margin: 3vh auto;
    padding: 0;
  }

  .teacher-modal .admin-modal__header {
    align-items: flex-start;
    flex-direction: row;
    padding: 20px 18px 16px;
  }

  .teacher-modal .student-form,
  .teacher-modal .detail-card--plain {
    padding: 18px;
  }

  .teacher-modal-intro {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
    padding: 14px;
  }

  .teacher-modal-intro span {
    text-align: left;
  }

  .teacher-form-section {
    padding: 16px 14px;
  }

  .teacher-form-grid {
    grid-template-columns: 1fr;
  }

  .teacher-modal .form-actions {
    align-items: stretch;
    justify-content: stretch;
  }

  .teacher-modal .form-actions .btn {
    width: 100%;
  }

  .student-dashboard-hero {
    padding: 20px;
  }

  .student-dashboard-hero__copy h1 {
    max-width: none;
  }

  .student-dashboard-kpis,
  .student-finance-layout,
  .student-finance-mini-grid,
  .student-validation-strip,
  .student-weekly-schedule {
    grid-template-columns: 1fr;
  }

  .student-schedule-download,
  .student-calendar-toolbar {
    align-items: stretch;
  }

  .student-dashboard-section .section-header,
  .student-dashboard-overview .section-header {
    flex-direction: column;
    align-items: stretch;
  }

  .student-calendar-itinerary__header,
  .student-agenda-item--timeline {
    grid-template-columns: 1fr;
  }

  .teacher-access-panel__header,
  .teacher-class-card__header {
    flex-direction: column;
  }

  .student-agenda-item__hour {
    padding-right: 0;
    padding-bottom: 12px;
    border-right: 0;
    border-bottom: 1px solid rgba(31, 44, 64, 0.08);
  }

  .student-payment-modal__dialog {
    width: min(96vw, 720px);
    margin: 3vh auto;
    padding: 18px;
  }

  .student-payment-modal__summary,
  .student-payment-modal__grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .ticket-modal__dialog {
    width: 100vw;
    height: 100vh;
    max-height: 100vh;
    margin: 0;
    border-radius: 0;
    padding: 18px 16px 24px;
  }

  .ticket-modal__section {
    padding: 18px;
    border-radius: 20px;
  }

  .ticket-modal__table-wrap .data-table th,
  .ticket-modal__table-wrap .data-table td {
    padding: 12px;
  }

  .ticket-modal__actions .btn {
    width: 100%;
  }

  .student-main-panel {
    gap: 1rem;
  }

  .student-dashboard-hero__meta {
    flex-direction: column;
    align-items: stretch;
  }

  .student-dashboard-page .pill {
    justify-content: flex-start;
  }

  .student-proof-modal__dialog {
    width: 100vw;
    height: 100vh;
    margin: 0;
    border-radius: 0;
    padding: 16px;
  }

  .student-proof-modal__header {
    align-items: flex-start;
    flex-direction: column;
  }

  .student-payment-modal__dialog {
    width: 100vw;
    margin: 0;
    min-height: 100vh;
    border-radius: 0;
    padding: 16px;
  }

  .teacher-rubric-form {
    grid-template-columns: 1fr;
  }

  .student-payments-table-wrap .data-table,
  .student-payments-table-wrap .data-table thead,
  .student-payments-table-wrap .data-table tbody,
  .student-payments-table-wrap .data-table tr,
  .student-payments-table-wrap .data-table th,
  .student-payments-table-wrap .data-table td {
    display: block;
    width: 100%;
  }

  .student-payments-table-wrap .data-table {
    min-width: 0;
  }

  .student-payments-table-wrap .data-table thead {
    display: none;
  }

  .student-payments-table-wrap .data-table tr {
    margin-bottom: 14px;
    padding: 16px;
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.72);
    border: 1px solid rgba(31, 44, 64, 0.08);
  }

  .student-payments-table-wrap .data-table td {
    padding: 8px 0;
    border-bottom: 0;
  }

  .student-payments-table-wrap .data-table td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 4px;
    color: var(--muted);
    font-size: 0.76rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0;
  }
}

@media (max-width: 980px) {
  .app-shell--student {
    grid-template-columns: 1fr;
    padding: 76px clamp(12px, 4vw, 22px) 22px;
  }

  .student-sidebar {
    position: fixed;
    top: 0;
    left: 0;
  }

  body.mobile-nav-open {
    overflow: hidden;
  }
}
.lms-classroom-panel,
.lms-post-card,
.lms-submission-box {
  display: grid;
  gap: 14px;
}

.lms-post-form {
  align-items: start;
  grid-template-columns: minmax(120px, 160px) minmax(180px, 1fr) minmax(150px, 190px) minmax(100px, 130px);
}

.lms-post-form textarea,
.lms-post-form input[type="file"] {
  grid-column: 1 / -1;
}

.teacher-lms-feed {
  display: grid;
  gap: 16px;
  margin-top: 16px;
}

.lms-post-card {
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.teacher-lms-attachments {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lms-student-response {
  width: 100%;
  resize: vertical;
}

@media (max-width: 900px) {
  .lms-post-form {
    grid-template-columns: 1fr;
  }
}