/* Global design system */
:root {
  --app-font-scale: 1;
  --font-sans: "Tajawal", "Cairo", "Segoe UI", "Noto Sans Arabic", sans-serif;

  --app-bg: #ffffff;
  --app-bg-elevated: #f7f9fc;
  --app-surface: #ffffff;
  --app-surface-soft: #f3f6fb;
  --app-text: #162033;
  --app-muted: #5e6b82;
  --app-muted-strong: #4f617d;
  --app-border: #d9e1ee;

  --app-primary: #1e5fb8;
  --app-primary-strong: #0f4ea8;
  --app-accent: #2c78e7;
  --app-gradient: linear-gradient(135deg, #2f7dea 0%, #1f5ebb 55%, #184e9f 100%);

  --app-success: #198754;
  --app-danger: #c43b3b;
  --app-warning: #f0ad34;

  --app-shadow-sm: 0 4px 14px rgba(16, 36, 70, 0.08);
  --app-shadow-md: 0 10px 24px rgba(16, 36, 70, 0.12);
  --app-radius-sm: 10px;
  --app-radius-md: 14px;
  --app-radius-lg: 18px;

  --app-row-selected-bg: color-mix(in srgb, var(--app-primary) 16%, var(--app-surface));
  --app-row-selected-text: var(--app-text);
  --app-row-selected-border: color-mix(in srgb, var(--app-primary) 34%, var(--app-border));
}

.app-theme-dark {
  --app-bg: #121212;
  --app-bg-elevated: #181818;
  --app-surface: #1f1f1f;
  --app-surface-soft: #252525;
  --app-text: #f5f7fb;
  --app-muted: #b4bdd1;
  --app-muted-strong: #c3cee4;
  --app-border: #333844;

  --app-primary: #5da2ff;
  --app-primary-strong: #438fe7;
  --app-accent: #7ab7ff;
  --app-gradient: linear-gradient(135deg, #3f78c7 0%, #2f63aa 55%, #244f8b 100%);

  --app-shadow-sm: 0 5px 18px rgba(0, 0, 0, 0.28);
  --app-shadow-md: 0 12px 26px rgba(0, 0, 0, 0.35);

  --app-row-selected-bg: #28303d;
  --app-row-selected-text: #eef4ff;
  --app-row-selected-border: #4d5f7b;
}

html {
  font-size: calc(14px * var(--app-font-scale));
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: calc(16px * var(--app-font-scale));
  }
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  color: var(--app-text);
  background-color: var(--app-bg);
  background-image:
    radial-gradient(circle at 8% 0%, rgba(68, 130, 227, 0.12) 0%, rgba(68, 130, 227, 0) 36%),
    radial-gradient(circle at 100% 100%, rgba(60, 101, 164, 0.1) 0%, rgba(60, 101, 164, 0) 30%);
}

.container {
  max-width: 1450px;
}

a {
  color: var(--app-primary);
  text-decoration: none;
}

a:hover {
  color: var(--app-primary-strong);
}

h1,
h2,
h3,
h4,
h5,
h6,
.page-title,
.section-title {
  color: var(--app-text);
  letter-spacing: 0.1px;
}

.page-title {
  font-size: clamp(1.35rem, 1.5vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: 0.15px;
}

.section-title {
  font-size: 1.04rem;
  font-weight: 800;
  margin-bottom: 0.85rem;
  letter-spacing: 0.12px;
}

.text-muted,
.small,
.form-text {
  color: var(--app-muted-strong) !important;
}

.ui-helper-compact-note {
  font-size: 0.78rem;
  opacity: 0.78;
}

/* App shell */
.app-navbar,
.app-shell-navbar {
  border: 1px solid var(--app-border) !important;
  border-radius: 0 0 var(--app-radius-lg) var(--app-radius-lg);
  background: color-mix(in srgb, var(--app-surface) 88%, #ffffff 12%) !important;
  backdrop-filter: blur(8px);
  box-shadow: var(--app-shadow-sm);
}

.app-navbar .navbar-toggler,
.app-shell-navbar .navbar-toggler {
  border-color: var(--app-border);
}

.app-navbar .navbar-toggler:focus,
.app-shell-navbar .navbar-toggler:focus {
  box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--app-primary) 34%, transparent);
}

.navbar-nav {
  gap: 0.3rem;
}

.app-nav-link {
  color: var(--app-text) !important;
  border-radius: 999px;
  padding: 0.4rem 0.8rem !important;
  font-size: 0.92rem;
  font-weight: 600;
  white-space: nowrap;
  border: 1px solid transparent;
  transition: all 0.16s ease;
}

.app-nav-link:hover,
.app-nav-link:focus {
  border-color: color-mix(in srgb, var(--app-primary) 38%, var(--app-border));
  background: color-mix(in srgb, var(--app-primary) 10%, var(--app-surface));
  color: var(--app-primary-strong) !important;
}

.app-main-container,
.app-shell-main {
  padding-bottom: 76px;
}

/* Badge اسم المستخدم في شريط التنقل */
.app-shell-user-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: color-mix(in srgb, var(--app-primary) 12%, var(--app-surface));
  color: var(--app-primary-strong, var(--app-primary));
  border: 1px solid color-mix(in srgb, var(--app-primary) 30%, var(--app-border));
  border-radius: 999px;
  padding: 0.25rem 0.75rem;
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.app-footer,
.app-shell-footer {
  border-top: 1px solid var(--app-border) !important;
  color: var(--app-muted) !important;
  background: color-mix(in srgb, var(--app-surface) 95%, transparent);
  min-height: 56px;
  line-height: 1.3;
  display: flex;
  align-items: center;
}

.app-footer .container,
.app-shell-footer .container {
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
  text-align: center;
}

/* Core components */
.card,
.card-box,
.section-card,
.modal-content,
.dropdown-menu,
.list-group-item,
.settings-tab-content {
  border: 1px solid var(--app-border) !important;
  border-radius: var(--app-radius-md);
  background: var(--app-surface) !important;
  color: var(--app-text);
  box-shadow: var(--app-shadow-sm);
}

.card-box {
  padding: 1rem;
}

.section-card .card-header {
  background: var(--app-surface-soft);
  border-bottom: 1px solid var(--app-border);
  font-weight: 700;
}

.card .section-title,
.card h6 {
  border-bottom: 1px solid var(--app-border);
  padding-bottom: 0.45rem;
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.btn {
  border-radius: 11px;
  font-weight: 700;
  letter-spacing: 0.1px;
  transition: all 0.16s ease;
}

.btn-primary {
  background: var(--app-gradient);
  border-color: var(--app-primary-strong);
}

.btn-primary:hover,
.btn-primary:focus {
  transform: translateY(-1px);
  filter: brightness(1.03);
  box-shadow: var(--app-shadow-sm);
}

.btn-outline-secondary,
.btn-outline-primary,
.btn-outline-dark,
.btn-outline-info,
.btn-outline-success,
.btn-outline-danger,
.btn-outline-warning {
  border-color: color-mix(in srgb, var(--app-border) 70%, var(--app-text));
  color: var(--app-text);
  background: color-mix(in srgb, var(--app-surface) 75%, transparent);
}

.btn-outline-secondary:hover,
.btn-outline-primary:hover,
.btn-outline-dark:hover,
.btn-outline-info:hover,
.btn-outline-success:hover,
.btn-outline-danger:hover,
.btn-outline-warning:hover {
  color: #ffffff;
  border-color: var(--app-primary-strong);
  background: var(--app-primary-strong);
}

.btn:focus,
.btn:active:focus,
.btn-link.nav-link:focus,
.form-control:focus,
.form-select:focus,
.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem color-mix(in srgb, var(--app-primary) 26%, transparent);
  border-color: color-mix(in srgb, var(--app-primary) 55%, var(--app-border));
}

.form-control,
.form-select,
.form-check-input {
  border-radius: 10px;
  border-color: var(--app-border);
  background: var(--app-surface);
  color: var(--app-text);
}

label,
.form-label {
  color: var(--app-text);
  font-weight: 700;
  font-size: 0.9rem;
  margin-bottom: 0.35rem;
  line-height: 1.35;
}

.card .form-label,
.card-box .form-label,
.section-card .form-label {
  font-size: 0.91rem;
  font-weight: 700;
}

.card .form-control,
.card .form-select,
.card-box .form-control,
.card-box .form-select,
.section-card .form-control,
.section-card .form-select {
  min-height: 40px;
}

.card .row.g-2,
.card .row.g-3,
.card-box .row.g-2,
.card-box .row.g-3,
.section-card .row.g-2,
.section-card .row.g-3 {
  --bs-gutter-y: 0.65rem;
}

.app-theme-light .form-control:focus,
.app-theme-light .form-select:focus,
.app-theme-light .form-check-input:focus {
  border-color: color-mix(in srgb, var(--app-primary) 62%, var(--app-border));
  box-shadow: 0 0 0 0.24rem rgba(31, 95, 184, 0.18);
}

.form-control::placeholder {
  color: color-mix(in srgb, var(--app-muted) 70%, #ffffff);
}

.badge {
  border-radius: 999px;
  font-weight: 700;
}

.alert {
  border-radius: var(--app-radius-sm);
  border-color: var(--app-border);
}

.alert-light,
.alert-secondary {
  color: var(--app-text);
  background: color-mix(in srgb, var(--app-surface-soft) 90%, var(--app-surface));
  border-color: var(--app-border);
}

.alert-info {
  color: color-mix(in srgb, var(--app-text) 92%, #0b3a79);
  background: color-mix(in srgb, var(--app-primary) 14%, var(--app-surface));
  border-color: color-mix(in srgb, var(--app-primary) 42%, var(--app-border));
}

.alert-warning {
  color: color-mix(in srgb, var(--app-text) 90%, #6c4b00);
  background: color-mix(in srgb, var(--app-warning) 18%, var(--app-surface));
  border-color: color-mix(in srgb, var(--app-warning) 46%, var(--app-border));
}

.ui-action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.ui-action-bar .btn {
  min-height: 40px;
}

.ui-empty-state {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-md);
  background: color-mix(in srgb, var(--app-surface-soft) 92%, var(--app-surface));
  color: var(--app-muted-strong);
  padding: 1rem;
  text-align: center;
  font-weight: 700;
  box-shadow: var(--app-shadow-sm);
}

.table-responsive {
  border: 1px solid var(--app-border);
  border-radius: var(--app-radius-md);
  background: var(--app-surface);
  box-shadow: var(--app-shadow-sm);
  overflow-x: auto;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  scrollbar-color: color-mix(in srgb, var(--app-primary) 54%, var(--app-border)) var(--app-surface-soft);
  scrollbar-width: thin;
}

.table-responsive > .table {
  margin-bottom: 0;
  min-width: 100%;
}

.table-responsive > .ui-data-table {
  min-width: max-content;
}

.table-scroll-top {
  height: 16px;
  margin-bottom: 0.35rem;
  overflow-x: auto;
  overflow-y: hidden;
  border: 1px solid var(--app-border);
  border-radius: 999px;
  background: color-mix(in srgb, var(--app-surface-soft) 88%, var(--app-surface));
  -webkit-overflow-scrolling: touch;
  scrollbar-color: color-mix(in srgb, var(--app-primary) 54%, var(--app-border)) var(--app-surface-soft);
  scrollbar-width: thin;
}

.table-scroll-top.is-hidden {
  display: none;
}

.table-scroll-top-spacer {
  height: 1px;
}

.table,
.ui-data-table {
  --bs-table-bg: var(--app-surface);
  --bs-table-color: var(--app-text);
  --bs-table-striped-bg: color-mix(in srgb, var(--app-surface-soft) 88%, var(--app-surface));
  --bs-table-striped-color: var(--app-text);
  --bs-table-hover-bg: color-mix(in srgb, var(--app-primary) 10%, var(--app-surface));
  --bs-table-hover-color: var(--app-text);
  --bs-table-border-color: var(--app-border);
}

.ui-data-table {
  font-size: 0.92rem;
}

.ui-data-table thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--app-surface-soft);
  border-color: var(--app-border) !important;
  vertical-align: middle;
  text-align: center;
  white-space: nowrap;
}

.ui-data-table td {
  border-color: var(--app-border) !important;
  text-align: center;
  vertical-align: middle;
}

.ui-data-table .ui-sticky-name-col {
  position: sticky;
  right: 0;
  inset-inline-start: 0;
  z-index: 2;
  min-width: 180px;
  max-width: 260px;
  background: var(--app-surface);
  box-shadow: -8px 0 16px rgba(16, 36, 70, 0.08);
  text-align: start;
  white-space: normal;
}

.ui-data-table thead .ui-sticky-name-col {
  z-index: 4;
  background: var(--app-surface-soft);
  text-align: center;
  white-space: nowrap;
}

.ui-data-table .ui-sticky-expense-date-col,
.ui-data-table .ui-sticky-expense-category-col {
  position: sticky;
  z-index: 2;
  background: var(--app-surface);
  white-space: nowrap;
}

.ui-data-table .ui-sticky-expense-date-col {
  right: 0;
  inset-inline-start: 0;
  min-width: 124px;
}

.ui-data-table .ui-sticky-expense-category-col {
  right: 124px;
  inset-inline-start: 124px;
  min-width: 150px;
  max-width: 220px;
  box-shadow: -8px 0 16px rgba(16, 36, 70, 0.08);
  text-align: start;
  white-space: normal;
}

.ui-data-table thead .ui-sticky-expense-date-col,
.ui-data-table thead .ui-sticky-expense-category-col {
  z-index: 4;
  background: var(--app-surface-soft);
  text-align: center;
  white-space: nowrap;
}

.table > tbody > tr.table-primary > *,
.table > tbody > tr.table-active > *,
.ui-data-table > tbody > tr.table-primary > *,
.ui-data-table > tbody > tr.table-active > * {
  --bs-table-bg-state: var(--app-row-selected-bg);
  --bs-table-color-state: var(--app-row-selected-text);
  --bs-table-bg-type: var(--app-row-selected-bg);
  --bs-table-color-type: var(--app-row-selected-text);
  background-color: var(--app-row-selected-bg) !important;
  color: var(--app-row-selected-text) !important;
  border-color: var(--app-row-selected-border) !important;
}

.ui-data-table .num-value {
  font-variant-numeric: tabular-nums;
}

.ui-th-stack {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.12;
}

.ui-th-stack .ui-th-icon {
  font-size: 1rem;
}

.ui-th-stack .ui-th-text {
  font-size: 0.75rem;
  font-weight: 700;
}

.settings-page .settings-tabs {
  gap: 0.35rem;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
  scrollbar-color: color-mix(in srgb, var(--app-primary) 44%, var(--app-border)) transparent;
}

.settings-page .settings-tabs::-webkit-scrollbar {
  height: 6px;
}

.settings-page .settings-tabs::-webkit-scrollbar-thumb {
  background: color-mix(in srgb, var(--app-primary) 44%, var(--app-border));
  border-radius: 999px;
}

.settings-tabs .nav-link {
  border-radius: 999px;
  border: 1px solid var(--app-border);
  background: var(--app-surface-soft);
  color: var(--app-text);
  font-weight: 700;
  padding: 0.42rem 0.9rem;
  white-space: nowrap;
  transition: all 0.16s ease;
}

.settings-tabs .nav-link:hover,
.settings-tabs .nav-link:focus-visible {
  color: var(--app-primary-strong);
  border-color: color-mix(in srgb, var(--app-primary) 36%, var(--app-border));
  background: color-mix(in srgb, var(--app-primary) 10%, var(--app-surface));
}

.settings-tabs .nav-link.active {
  color: #ffffff;
  background: var(--app-gradient);
  border-color: var(--app-primary-strong);
  box-shadow: 0 6px 16px rgba(16, 62, 131, 0.18);
}

.settings-page .settings-tab-content {
  border-radius: 0 0 var(--app-radius-md) var(--app-radius-md);
  border-top: 0 !important;
}

.settings-page .users-expiry-form,
.settings-page .users-security-actions,
.settings-page .users-actions-stack,
.settings-page .users-action-row {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.settings-page .users-expiry-form {
  min-width: 13rem;
}

.settings-page .users-expiry-form .form-control {
  min-width: 8.5rem;
}

.settings-page .users-actions-stack {
  align-items: stretch;
  flex-direction: column;
  min-width: 10rem;
}

.settings-page .users-action-row {
  flex-wrap: nowrap;
}

.settings-page .users-action-row .btn,
.settings-page .users-action-row form,
.settings-page .users-security-actions .btn {
  flex: 1 1 0;
}

.settings-page .users-action-row .btn,
.settings-page .users-action-row form .btn,
.settings-page .users-security-actions .btn {
  width: 100%;
  white-space: nowrap;
}

.settings-page .appearance-preview-panel,
.settings-page .design-preset-panel,
.settings-page .design-info-panel,
.settings-page .design-static-note {
  color: var(--app-text) !important;
  border-color: var(--app-border) !important;
}

.settings-page .design-static-note {
  background: var(--app-surface-soft) !important;
  min-height: 42px;
  display: flex;
  align-items: center;
}

.settings-page .design-preset-btn.btn-outline-dark {
  border-color: color-mix(in srgb, var(--app-border) 70%, var(--app-text));
  color: var(--app-text);
  background: color-mix(in srgb, var(--app-surface) 80%, transparent);
}

.settings-page .design-preset-btn.btn-outline-dark:hover,
.settings-page .design-preset-btn.btn-outline-dark:focus {
  color: #ffffff;
  border-color: var(--app-primary-strong);
  background: var(--app-primary-strong);
}

.receipt-print {
  max-width: 760px;
  margin: 0 auto;
}

.print-design-header {
  text-align: center;
  border-bottom: 1px solid var(--app-border);
  padding-bottom: 0.5rem;
}

.print-design-image-wrap {
  text-align: center;
}

.print-design-image {
  max-width: 100%;
  max-height: 120px;
  object-fit: contain;
}

.print-design-title {
  font-size: 1.1rem;
  font-weight: 700;
}

.print-design-subtitle,
.print-design-date,
.print-design-note {
  color: var(--app-muted);
  font-size: 0.9rem;
}

.print-design-footer {
  border-top: 1px solid var(--app-border);
  padding-top: 0.5rem;
  text-align: center;
}

.print-design-signature {
  font-weight: 700;
}

/* Existing page-specific helpers */
.students-page h2,
.attendance-page h2 {
  font-weight: 700;
}

.students-page .card,
.home-page .card {
  border-radius: var(--app-radius-md);
}

.students-page .students-filter-actions,
.students-page .students-action-bar {
  align-items: center;
}

.students-page .students-action-bar .btn {
  min-height: 42px;
}

.students-page .table th,
.students-page .table td,
.attendance-page .table th,
.attendance-page .table td,
.reports-page .report-table th,
.reports-page .report-table td {
  white-space: nowrap;
  font-size: 0.9rem;
}

.attendance-page .form-control-lg {
  font-size: 1.15rem;
}

.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
  color: var(--app-muted);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
  text-align: start;
}

/* Dark mode normalization */
.app-theme-dark body,
.app-theme-dark .text-dark,
.app-theme-dark .dropdown-item,
.app-theme-dark label,
.app-theme-dark th,
.app-theme-dark td,
.app-theme-dark .navbar,
.app-theme-dark .nav-link,
.app-theme-dark .btn-link,
.app-theme-dark .card,
.app-theme-dark .table,
.app-theme-dark .modal-content,
.app-theme-dark .dropdown-menu,
.app-theme-dark .alert,
.app-theme-dark footer {
  color: var(--app-text) !important;
  border-color: var(--app-border) !important;
}

.app-theme-dark .bg-light,
.app-theme-dark .bg-white,
.app-theme-dark .bg-light-subtle,
.app-theme-dark .text-bg-light {
  background-color: var(--app-surface-soft) !important;
  color: var(--app-text) !important;
}

.app-theme-dark .table-light,
.app-theme-dark .table-light > th,
.app-theme-dark .table-light > td,
.app-theme-dark thead.table-light th {
  --bs-table-bg: var(--app-surface-soft);
  --bs-table-color: var(--app-text);
  --bs-table-border-color: var(--app-border);
  background-color: var(--app-surface-soft) !important;
  color: var(--app-text) !important;
  border-color: var(--app-border) !important;
}

.app-theme-dark .form-control,
.app-theme-dark .form-select,
.app-theme-dark .form-check-input {
  background: var(--app-surface-soft);
}

.app-theme-dark .form-control,
.app-theme-dark .form-select,
.app-theme-dark input,
.app-theme-dark textarea {
  color: #eef4ff !important;
  -webkit-text-fill-color: #eef4ff;
  caret-color: #eef4ff;
}

.app-theme-dark .form-control::placeholder,
.app-theme-dark input::placeholder,
.app-theme-dark textarea::placeholder {
  color: #9fb0cb !important;
  -webkit-text-fill-color: #9fb0cb;
  opacity: 1;
}

.app-theme-dark .form-control:disabled,
.app-theme-dark .form-control[readonly],
.app-theme-dark .form-select:disabled,
.app-theme-dark input:disabled,
.app-theme-dark textarea:disabled {
  color: #c8d3e8 !important;
  -webkit-text-fill-color: #c8d3e8;
  background: #2a2d33 !important;
}

/* Keep browser autofill readable in dark mode (Chrome/Edge/WebKit) */
.app-theme-dark input:-webkit-autofill,
.app-theme-dark input:-webkit-autofill:hover,
.app-theme-dark input:-webkit-autofill:focus,
.app-theme-dark input:-webkit-autofill:active,
.app-theme-dark textarea:-webkit-autofill,
.app-theme-dark textarea:-webkit-autofill:hover,
.app-theme-dark textarea:-webkit-autofill:focus,
.app-theme-dark select:-webkit-autofill,
.app-theme-dark select:-webkit-autofill:hover,
.app-theme-dark select:-webkit-autofill:focus {
  -webkit-text-fill-color: #eef4ff !important;
  caret-color: #eef4ff;
  box-shadow: 0 0 0 1000px var(--app-surface-soft) inset !important;
  transition: background-color 9999s ease-in-out 0s;
}

.app-theme-dark .table > tbody > tr.table-primary > *,
.app-theme-dark .table > tbody > tr.table-active > *,
.app-theme-dark .ui-data-table > tbody > tr.table-primary > *,
.app-theme-dark .ui-data-table > tbody > tr.table-active > * {
  background-color: var(--app-row-selected-bg) !important;
  color: var(--app-row-selected-text) !important;
  border-color: var(--app-row-selected-border) !important;
}

.app-theme-dark .alert,
.app-theme-dark .alert-light,
.app-theme-dark .alert-secondary {
  color: #dbe4f5 !important;
  background: #222429 !important;
  border-color: #3a3f4a !important;
}

.app-theme-dark .alert-info {
  color: #d8e9ff !important;
  background: #202a36 !important;
  border-color: #3e5878 !important;
}

.app-theme-dark .alert-warning {
  color: #ffe7bf !important;
  background: #2b2520 !important;
  border-color: #6b5632 !important;
}

.app-theme-dark .settings-tabs .nav-link {
  background: #222429;
  border-color: #3a3f4a;
  color: #d9e2f2;
}

.app-theme-dark .settings-tabs .nav-link:hover,
.app-theme-dark .settings-tabs .nav-link:focus-visible {
  background: #293346;
  border-color: #4a6a95;
  color: #eff5ff;
}

.app-theme-dark .settings-tabs .nav-link.active {
  color: #ffffff;
  background: var(--app-gradient);
  border-color: #5e94df;
}

.app-theme-dark .settings-page .settings-tab-content {
  background: #1f2024 !important;
  border-color: #363b45 !important;
}

.app-theme-dark .settings-page .appearance-preview-panel,
.app-theme-dark .settings-page .design-preset-panel,
.app-theme-dark .settings-page .design-info-panel,
.app-theme-dark .settings-page .design-static-note {
  color: #dbe4f5 !important;
  background: #222429 !important;
  border-color: #3a3f4a !important;
}

/* Responsive */
@media (max-width: 992px) {
  .settings-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }

  .app-navbar,
  .app-shell-navbar {
    border-radius: 0;
  }
}

@media (max-width: 768px) {
  .page-title {
    font-size: 1.3rem;
  }

  .section-title {
    font-size: 1rem;
  }

  .settings-page .settings-tab-content {
    padding: 0.85rem !important;
  }

  .settings-page .card-body {
    padding: 0.85rem;
  }

  .settings-page .btn {
    min-height: 42px;
  }

  .settings-page .d-flex.flex-wrap.gap-2 > .btn,
  .settings-page .d-flex.flex-wrap.gap-2 > form,
  .settings-page .d-flex.flex-wrap.gap-2 > form > .btn {
    flex: 1 1 100%;
  }

  .settings-page .d-flex.flex-wrap.gap-2 > form > .btn {
    width: 100%;
  }

  label,
  .form-label,
  .card .form-label,
  .card-box .form-label,
  .section-card .form-label {
    font-size: 0.86rem;
  }

  .card-box {
    padding: 0.85rem;
  }

  .navbar-nav {
    gap: 0.2rem;
  }

  .app-nav-link {
    padding: 0.42rem 0.72rem !important;
  }

  .btn:not(.btn-sm) {
    min-height: 40px;
  }

  .ui-data-table th,
  .ui-data-table td {
    font-size: 0.82rem;
    padding: 0.58rem 0.62rem;
  }

  .table-scroll-top {
    height: 18px;
    margin-bottom: 0.5rem;
  }

  .table-responsive {
    border-radius: var(--app-radius-sm);
  }

  .students-page .students-filter-actions,
  .students-page .students-action-bar {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.55rem !important;
  }

  .students-page .students-filter-actions .btn,
  .students-page .students-action-bar .btn {
    width: 100%;
    min-height: 44px;
    white-space: normal;
    line-height: 1.25;
  }

  .students-page .students-action-bar .btn {
    padding-inline: 0.55rem;
  }

  .telegram-action-col {
    min-width: 220px !important;
  }

  .telegram-action-form {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
  }

  .telegram-action-form .form-control {
    flex: 1 1 150px;
    min-width: 0;
  }

  .telegram-action-form .btn {
    flex: 0 0 auto;
  }
}

@media print {
  :root,
  .app-theme-dark {
    --app-bg: #ffffff;
    --app-bg-elevated: #ffffff;
    --app-surface: #ffffff;
    --app-surface-soft: #ffffff;
    --app-text: #000000;
    --app-muted: #000000;
    --app-muted-strong: #000000;
    --app-border: #000000;
  }

  body,
  body * {
    color: #000000 !important;
    opacity: 1 !important;
    -webkit-text-fill-color: #000000 !important;
    text-shadow: none !important;
  }

  .table,
  .table *,
  .ui-data-table,
  .ui-data-table * {
    color: #000000 !important;
  }

  .table th,
  .table td,
  .ui-data-table th,
  .ui-data-table td,
  .table-striped tbody tr,
  .table-striped tbody tr:nth-of-type(odd),
  .table-striped tbody tr:nth-of-type(even) {
    background: #ffffff !important;
    background-color: #ffffff !important;
  }

  header,
  footer,
  .btn,
  form {
    display: none !important;
  }

  .reports-page {
    margin: 0;
    padding: 0;
  }
}