/*
 * SchoolBanks Unified Stylesheet
 * Version: v2026.02.18
 * Load LAST — after Bootstrap, fonts, DataTables, Select2, toastr,
 * header-modern.css, and schoolbanks-branding.css.
 *
 * Sections:
 *   1. Design Tokens       (CSS custom properties)
 *   2. Component Styles    (typography, buttons, forms, tables, cards, …)
 *   3. Page Patterns       (success/failure pages, dashboards, badges, …)
 */

/* ============================================================
   SECTION 1: DESIGN TOKENS
   ============================================================ */

/*
 * SchoolBanks Design Tokens (CSS variables)
 * Version: v2026.02.18
 * Source of truth: SchoolBanks brand palette extracted from logo + UI screenshots
 */
:root {
  /* ===== Brand Greens ===== */
  --sb-green-50:  #F5FAEF;
  --sb-green-100: #EAF3DE; /* mint tint from navbar/hero */
  --sb-green-200: #D6E7BE;
  --sb-green-300: #C1DB9D;
  --sb-green-400: #A7C96E;
  --sb-green-500: #7BA43F; /* primary */
  --sb-green-600: #6E9439;
  --sb-green-700: #5A7B2F; /* dark */
  --sb-green-800: #3F551F; /* deep contrast */
  --sb-green-900: #2C3C16;

  /* Light brand accent used in logo highlights */
  --sb-green-light: #9BC158;

  /* ===== Indigo Accent (hero drop-shadow) ===== */
  --sb-indigo-50:  #F1F2FF;
  --sb-indigo-100: #E3E6FF;
  --sb-indigo-200: #C8CEFF;
  --sb-indigo-300: #A7B3FF; /* soft visible shadow */
  --sb-indigo-400: #8F9AF2;
  --sb-indigo-500: #7A83D8; /* deeper shadow */
  --sb-indigo-600: #6269B7;
  --sb-indigo-700: #4D5395;
  --sb-indigo-800: #3C4276;
  --sb-indigo-900: #2C3157;

  /* ===== Neutrals (logo + UI) ===== */
  --sb-gray-50:  #F6F7F7; /* dashboard/page background */
  --sb-gray-100: #F1F2F3;
  --sb-gray-200: #E4E7EB; /* card borders */
  --sb-gray-300: #D7DBDF;
  --sb-gray-400: #C6CACF;
  --sb-gray-500: #B1B6BC;
  --sb-gray-600: #8A8C8E; /* logo ring gray */
  --sb-gray-700: #6A6E73;
  --sb-gray-800: #4A4F55;
  --sb-gray-900: #2A2F34;

  --sb-white: #FFFFFF;
  --sb-black: #1A202C;

  /* ===== Surface Tokens ===== */
  --sb-bg-page:     var(--sb-gray-50);
  --sb-bg-card:     #FFFFFF;
  --sb-bg-muted:    var(--sb-green-50);
  --sb-border:      var(--sb-gray-200);
  --sb-ring:        var(--sb-indigo-300); /* focus ring */

  /* ===== Text Tokens ===== */
  --sb-text:        #222222;
  --sb-text-muted:  #5A5F66;
  --sb-link:        var(--sb-green-700);
  --sb-link-hover:  var(--sb-green-800);

  /* ===== Brand Action Tokens ===== */
  --sb-primary:           var(--sb-green-500);
  --sb-primary-hover:     var(--sb-green-600);
  --sb-primary-contrast:  #FFFFFF;

  /* ===== Feedback Tokens ===== */
  --sb-success:           var(--sb-green-500);
  --sb-success-bg:        var(--sb-green-50);
  --sb-success-border:    var(--sb-green-200);

  --sb-info:              var(--sb-indigo-500);
  --sb-info-bg:           var(--sb-indigo-50);
  --sb-info-border:       var(--sb-indigo-200);

  --sb-warning:           #C98A1A;
  --sb-warning-bg:        #FFF7E8;
  --sb-warning-border:    #F3DEB7;

  --sb-danger:            #B5483D;
  --sb-danger-bg:         #FDEEEE;
  --sb-danger-border:     #F5C9C6;

  /* ===== Radius Scale ===== */
  --sb-radius-sm:  8px;
  --sb-radius-md:  12px;
  --sb-radius-lg:  16px;
  --sb-radius-xl:  20px;

  /* ===== Shadows & Overlays ===== */
  --sb-shadow-hero:  0 18px 40px rgba(15, 23, 42, 0.08);
  --sb-shadow-card:  0 10px 28px rgba(15, 23, 42, 0.07);
  --sb-shadow-sm:    0 2px 6px rgba(15, 23, 42, 0.05);
  --sb-overlay:      rgba(0, 0, 0, 0.45);

  /* ===== Status Text Tokens ===== */
  --sb-success-text: #166534;
  --sb-info-text:    var(--sb-indigo-700);
  --sb-warning-text: #92400e;
  --sb-danger-text:  #991b1b;
}

/* ============================================================
   SECTION 2: COMPONENT STYLES
   ============================================================ */

/* === Spec Variables === */
:root {
  /* Typography Scale */
  --sb-h1-size: 28px;
  --sb-h1-lh: 1.3;
  --sb-h1-weight: 700;
  --sb-h2-size: 22px;
  --sb-h2-lh: 1.4;
  --sb-h2-weight: 600;
  --sb-title-size: 18px;
  --sb-title-lh: 1.4;
  --sb-title-weight: 600;
  --sb-body-size: 15px;
  --sb-body-lh: 1.5;
  --sb-body-weight: 400;
  --sb-label-size: 14px;
  --sb-label-lh: 1.4;
  --sb-label-weight: 500;

  /* Brand primaries (from logo) */
  --sb-brand-green: #83B947;
  --sb-brand-gray: #86868A;
  --sb-brand-gray-light: #B0B1B3;

  /* Backgrounds */
  --sb-bg: #FFFFFF;
  --sb-bg-panel: var(--sb-gray-100);
  --sb-bg-elevated: #FFFFFF;

  /* Text (component-level aliases) */
  --sb-text-inverse: #FFFFFF;
  --sb-text-strong: var(--sb-gray-800);

  /* Borders */
  --sb-border-subtle: var(--sb-gray-200);
  --sb-focus: var(--sb-brand-green);

  /* Component metrics */
  --sb-radius: 6px;
  --sb-input-height: 44px;
  --sb-row-height: 46px;

  /* State colors */
  --sb-state-success: #83B947;
  --sb-state-warning: #F59E0B;
  --sb-state-error: #DC2626;
  --sb-state-info: #4B4F55;
}

/* === Normalize HTML root (avoid rem inflation) === */
html {
  font-size: 16px;
}

/* === Hard overrides to beat Bootstrap responsive headings === */
h1 {
  font-size: var(--sb-h1-size) !important;
  line-height: var(--sb-h1-lh) !important;
  font-weight: var(--sb-h1-weight) !important;
  color: var(--sb-text-strong);
  margin: 0 0 1rem 0;
}

h2 {
  font-size: var(--sb-h2-size) !important;
  line-height: var(--sb-h2-lh) !important;
  font-weight: var(--sb-h2-weight) !important;
  color: var(--sb-text-strong);
  margin: 0 0 0.75rem 0;
}

h3 {
  font-size: var(--sb-title-size) !important;
  line-height: var(--sb-title-lh) !important;
  font-weight: var(--sb-title-weight) !important;
  color: var(--sb-text-strong);
  margin: 0 0 0.5rem 0;
}

h4, h5, h6 {
  font-size: 16px !important;
  line-height: 1.4 !important;
  font-weight: 600 !important;
  color: var(--sb-text-strong);
  margin: 0 0 0.5rem 0;
}

/* === Neutralize Bootstrap utilities if used === */
.display-1, .display-2, .display-3, .display-4, .display-5, .display-6,
.h1, .h2, .h3, .h4, .h5, .h6 {
  font-size: inherit !important;
  line-height: inherit !important;
  font-weight: inherit !important;
}

/* === Convenient utility classes (match the spec) === */
.sb-h1 {
  font: 700 28px/1.3 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text-strong, #2F3338);
}

.sb-h2 {
  font: 600 22px/1.4 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text-strong, #2F3338);
}

.sb-title {
  font: 600 18px/1.4 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text-strong, #2F3338);
}

.sb-body {
  font: 400 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text, #4B4F55);
}

.sb-label {
  font: 500 14px/1.4 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text, #4B4F55);
}

.sb-small {
  font: 400 12px/1.4 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial;
  color: var(--sb-text-muted);
}

/* === Apply to body and common elements === */
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  font-size: 15px;
  line-height: 1.5;
  color: var(--sb-text);
  background:
    radial-gradient(circle at top left, rgba(123, 164, 63, 0.10), transparent 34rem),
    var(--sb-bg-panel);
}

p {
  margin: 0 0 1rem 0;
}

label {
  font-weight: 500;
  font-size: 14px;
  line-height: 1.4;
  color: var(--sb-text);
  display: inline-block;
  margin-bottom: 0.25rem;
}

small, .small {
  font-size: 12px;
  line-height: 1.4;
  color: var(--sb-text-muted);
}

.text-muted {
  color: var(--sb-text-muted) !important;
}

/* Buttons */
.sb-btn {
  border-radius: var(--sb-radius);
  padding: 10px 14px;
  font-weight: 500;
  font-size: 15px;
  line-height: 1.4;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-block;
  text-align: center;
  text-decoration: none;
}

.sb-btn--primary {
  background: var(--sb-brand-green);
  color: var(--sb-text-inverse);
  border-color: transparent;
}

.sb-btn--primary:hover {
  filter: brightness(0.95);
  color: var(--sb-text-inverse);
  text-decoration: none;
}

.sb-btn--secondary {
  background: #fff;
  color: var(--sb-gray-700);
  border: 1px solid var(--sb-border);
}

.sb-btn--secondary:hover {
  background: var(--sb-gray-50);
  text-decoration: none;
}

.sb-btn:focus {
  outline: 3px solid rgba(131, 185, 71, 0.35);
  outline-offset: 2px;
}

/* Apply to Bootstrap buttons */
.btn {
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  padding: 9px 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.15s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary {
  background-color: var(--sb-brand-green);
  border-color: var(--sb-brand-green);
  color: var(--sb-text-inverse);
  box-shadow: 0 6px 16px rgba(123, 164, 63, 0.28);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
  background-color: var(--sb-brand-green);
  border-color: var(--sb-brand-green);
  filter: brightness(0.93);
  color: var(--sb-text-inverse);
}

.btn-success {
  background-color: var(--sb-state-success);
  border-color: var(--sb-state-success);
  color: #fff;
}

.btn-success:hover,
.btn-success:focus,
.btn-success:active {
  background-color: var(--sb-state-success);
  border-color: var(--sb-state-success);
  filter: brightness(0.93);
  color: #fff;
}

.btn-warning {
  background-color: #fff7ed;
  border-color: #fed7aa;
  color: #9a3412;
}

.btn-warning:hover,
.btn-warning:focus,
.btn-warning:active {
  background-color: #ffedd5;
  border-color: #fdba74;
  color: #7c2d12;
}

.btn-info {
  background-color: #eff6ff;
  border-color: #bfdbfe;
  color: #1d4ed8;
}

.btn-info:hover,
.btn-info:focus,
.btn-info:active {
  background-color: #dbeafe;
  border-color: #93c5fd;
  color: #1e40af;
}

.btn-danger {
  background-color: #fff1f2;
  border-color: #fecdd3;
  color: #be123c;
}

.btn-danger:hover,
.btn-danger:focus,
.btn-danger:active {
  background-color: #ffe4e6;
  border-color: #fda4af;
  color: #9f1239;
}

.btn-secondary {
  background-color: #fff;
  color: var(--sb-gray-700);
  border: 1px solid var(--sb-border);
}

.btn-secondary:hover,
.btn-secondary:focus,
.btn-secondary:active {
  background-color: var(--sb-gray-50);
  color: var(--sb-gray-700);
  border-color: var(--sb-border);
}

.btn-outline-secondary {
  color: var(--sb-gray-700);
  border-color: var(--sb-border);
}

.btn-outline-secondary:hover {
  background-color: var(--sb-gray-50);
  color: var(--sb-gray-700);
  border-color: var(--sb-border);
}

.btn:focus-visible {
  outline: 3px solid rgba(123, 164, 63, 0.55);
  outline-offset: 3px;
  box-shadow: none;
}

.btn:focus {
  outline: 3px solid rgba(123, 164, 63, 0.45);
  outline-offset: 3px;
  box-shadow: none;
}

/* Inputs */
.sb-input {
  height: var(--sb-input-height);
  background: #fff;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 10px 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--sb-text);
  transition: all 0.15s ease;
}

.sb-input:focus {
  border-color: var(--sb-focus);
  box-shadow: 0 0 0 3px rgba(131, 185, 71, 0.25);
  outline: none;
}

/* Apply to Bootstrap form controls */
.form-control,
.form-select {
  height: var(--sb-input-height);
  background: #fff;
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  padding: 10px 12px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--sb-text);
  transition: all 0.15s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--sb-focus);
  box-shadow: 0 0 0 3px rgba(131, 185, 71, 0.25);
  outline: none;
}

textarea.form-control {
  height: auto;
  min-height: calc(var(--sb-input-height) * 2);
}

/* Tables */
.sb-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.5;
}

.sb-table thead th {
  text-align: left;
  color: var(--sb-gray-700);
  font-weight: 600;
  padding: 12px;
  border-bottom: 2px solid var(--sb-border);
  background: var(--sb-bg-panel);
}

.sb-table tbody td {
  padding: 12px;
  color: var(--sb-text);
}

.sb-table tr {
  height: var(--sb-row-height);
  border-bottom: 1px solid var(--sb-border-subtle);
}

.sb-table tbody tr:hover {
  background: var(--sb-gray-50);
}

.sb-table tr[aria-selected="true"] {
  background: #F1F8E9;
}

/* Apply to Bootstrap tables */
.table {
  font-size: 15px;
  line-height: 1.5;
}

.table thead th {
  background: var(--sb-gray-50, #f8fafc);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sb-gray-600, #6B7076);
  border-bottom: 1px solid var(--sb-border);
  padding: 13px 14px;
  white-space: nowrap;
}

.table tbody td {
  padding: 14px 14px;
  color: var(--sb-text);
  vertical-align: middle;
  border-bottom: 1px solid var(--sb-gray-100, #f1f2f3);
}

.table tbody tr:hover {
  background: var(--sb-gray-50, #f8fafc);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: var(--sb-gray-50);
}

.table-hover tbody tr:hover {
  background-color: var(--sb-gray-50);
}

.table-bordered {
  border: 1px solid var(--sb-border);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--sb-border);
}

/* Cards */
.card {
  background: var(--sb-bg-elevated);
  border: 1px solid var(--sb-border-subtle);
  border-radius: var(--sb-radius-md, 12px);
  box-shadow: var(--sb-shadow-card, 0 10px 28px rgba(15, 23, 42, 0.07));
  overflow: hidden;
}

.card-header {
  background: #ffffff !important;
  border-bottom: 1px solid #eef2f7;
  padding: 16px 20px;
  font-weight: 600;
  color: var(--sb-text-strong);
  position: relative;
  padding-left: 24px;
}

.card-header::before {
  content: "";
  position: absolute;
  left: 0;
  top: 14px;
  bottom: 14px;
  width: 4px;
  border-radius: 999px;
  background: var(--sb-brand-green, #83B947);
}

.card-header h1,
.card-header h2,
.card-header h3,
.card-header h4,
.card-header h5,
.card-header h6 {
  margin: 0;
  color: var(--sb-text-strong);
}

.card-body {
  padding: 22px;
}

.card-footer {
  background: var(--sb-bg-panel);
  border-top: 1px solid var(--sb-border-subtle);
  padding: 16px 20px;
}

/* Alerts */
.alert {
  border-radius: var(--sb-radius);
  padding: 12px 16px;
  border: 1px solid transparent;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: #F1F8E9;
  border-color: var(--sb-state-success);
  color: #2E5A1C;
}

.alert-info {
  background-color: var(--sb-gray-100);
  border-color: var(--sb-border);
  color: var(--sb-text-strong);
}

.alert-warning {
  background-color: #FEF3E2;
  border-color: var(--sb-state-warning);
  color: #92400E;
}

.alert-danger {
  background-color: #FEE2E2;
  border-color: var(--sb-state-error);
  color: #991B1B;
}

/* Form validation */
.input-validation-error {
  border-color: var(--sb-state-error) !important;
}

.field-validation-error {
  color: var(--sb-state-error);
  font-size: 12px;
  margin-top: 0.25rem;
  display: block;
}

.field-validation-valid {
  display: none;
}

/* Badges – soft status chips */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  border: 1px solid transparent;
}

/* Bootstrap 5 bg-* badge overrides → soft chips */
.badge.bg-success,
.badge-success {
  background: var(--sb-success-bg, #f0fdf4) !important;
  color: var(--sb-success-text, #166534) !important;
  border-color: var(--sb-success-border, #bbf7d0) !important;
}

.badge.bg-info,
.badge-info {
  background: var(--sb-info-bg, #f0f4ff) !important;
  color: var(--sb-info-text, #4D5395) !important;
  border-color: var(--sb-info-border, #c8ceff) !important;
}

.badge.bg-warning,
.badge-warning {
  background: var(--sb-warning-bg, #fff7e8) !important;
  color: var(--sb-warning-text, #92400e) !important;
  border-color: var(--sb-warning-border, #f3deb7) !important;
}

.badge.bg-danger,
.badge-danger {
  background: var(--sb-danger-bg, #fdeeee) !important;
  color: var(--sb-danger-text, #991b1b) !important;
  border-color: var(--sb-danger-border, #f5c9c6) !important;
}

.badge.bg-secondary,
.badge-secondary {
  background: #f1f5f9 !important;
  color: #475569 !important;
  border-color: #e2e8f0 !important;
}

.badge.bg-primary,
.badge-primary {
  background: var(--sb-green-100, #EAF3DE) !important;
  color: var(--sb-green-800, #3F551F) !important;
  border-color: var(--sb-green-300, #C1DB9D) !important;
}

.badge.bg-dark,
.badge-dark {
  background: var(--sb-gray-800, #2F3338) !important;
  color: #fff !important;
  border-color: var(--sb-gray-700, #4B4F55) !important;
}

/* Container and layout */
.container,
.container-fluid {
  background-color: var(--sb-bg);
  padding: 20px;
}

/* Links */
a {
  color: var(--sb-brand-green);
  text-decoration: none;
  transition: all 0.15s ease;
}

a:hover {
  color: var(--sb-brand-green);
  filter: brightness(0.85);
  text-decoration: underline;
}

a:focus {
  outline: 2px solid rgba(131, 185, 71, 0.35);
  outline-offset: 2px;
}

/* Breadcrumb */
.sb-breadcrumb {
  padding: 0.5rem 0 0.25rem;
  margin-bottom: 0.75rem;
  border-bottom: 1px solid var(--sb-border);
}

.breadcrumb {
  background-color: transparent;
  padding: 0;
  margin-bottom: 1rem;
}

.breadcrumb-item {
  font-size: 14px;
  color: var(--sb-text-muted);
}

.breadcrumb-item.active {
  color: var(--sb-text);
}

.breadcrumb-item a {
  color: var(--sb-brand-green);
}

/* Recently-visited back-links injected into the breadcrumb by NavHistoryMiddleware - styled
   distinctly (small clock icon, italic, lower opacity) so they never read as a true ancestor
   segment of the current page's route hierarchy. See Issue #2759. */
.breadcrumb-item.breadcrumb-history {
  font-style: italic;
  opacity: 0.75;
}

.breadcrumb-item.breadcrumb-history i.fa-history {
  font-size: 11px;
  margin-right: 4px;
}

/* Pagination */
.pagination {
  margin-top: 1rem;
}

.page-link {
  color: var(--sb-brand-green);
  border: 1px solid var(--sb-border);
  border-radius: var(--sb-radius);
  margin: 0 2px;
  padding: 8px 12px;
}

.page-link:hover {
  background-color: var(--sb-gray-50);
  color: var(--sb-brand-green);
}

.page-item.active .page-link {
  background-color: var(--sb-brand-green);
  border-color: var(--sb-brand-green);
  color: var(--sb-text-inverse);
}

/* Modal */
.modal-content {
  border-radius: var(--sb-radius);
  border: none;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.modal-header {
  border-bottom: 1px solid var(--sb-border-subtle);
  padding: 16px 20px;
  background: var(--sb-bg-panel);
}

.modal-title {
  font-weight: 600;
  font-size: 18px;
  color: var(--sb-text-strong);
}

.modal-body {
  padding: 20px;
}

.modal-footer {
  border-top: 1px solid var(--sb-border-subtle);
  padding: 16px 20px;
  background: var(--sb-bg-panel);
}

/* Dropdown */
.dropdown-menu {
  border: 1px solid var(--sb-border-subtle);
  border-radius: var(--sb-radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  padding: 8px 0;
}

.dropdown-item {
  padding: 8px 16px;
  color: var(--sb-text);
  font-size: 15px;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background-color: var(--sb-gray-50);
  color: var(--sb-text-strong);
}

.dropdown-divider {
  border-top: 1px solid var(--sb-border-subtle);
}

/* Nav tabs */
.nav-tabs {
  border-bottom: 2px solid var(--sb-border-subtle);
}

.nav-tabs .nav-link {
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--sb-text-muted);
  font-weight: 500;
  padding: 12px 16px;
}

.nav-tabs .nav-link:hover {
  border-bottom-color: var(--sb-border);
  color: var(--sb-text);
}

.nav-tabs .nav-link.active {
  border-bottom-color: var(--sb-brand-green);
  color: var(--sb-text-strong);
  background-color: transparent;
}

/* Progress bar */
.progress {
  height: 8px;
  background-color: var(--sb-gray-200);
  border-radius: 4px;
}

.progress-bar {
  background-color: var(--sb-brand-green);
}

/* Utility classes */
.text-center {
  text-align: center;
}

.text-right,
.text-end {
  text-align: right;
}

.text-left,
.text-start {
  text-align: left;
}

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }

.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 3rem; }

.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 1rem; }
.pt-4 { padding-top: 1.5rem; }
.pt-5 { padding-top: 3rem; }

.pb-1 { padding-bottom: 0.25rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 1rem; }
.pb-4 { padding-bottom: 1.5rem; }
.pb-5 { padding-bottom: 3rem; }

.d-block { display: block; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

/* === CRUD Action Buttons (Standardized Pattern) === */
.sb-action-buttons {
  display: inline-flex;
  gap: 4px;
}

.sb-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--sb-radius);
  border: 1px solid;
  background: transparent;
  font-size: 14px;
  transition: all 0.15s ease;
  cursor: pointer;
  text-decoration: none;
}

.sb-action-btn i {
  pointer-events: none;
}

/* View Button (Info/Blue) */
.sb-action-btn--view {
  color: #0dcaf0;
  border-color: #0dcaf0;
}

.sb-action-btn--view:hover {
  background-color: #0dcaf0;
  color: #fff;
  text-decoration: none;
}

/* Edit Button (Warning/Yellow) */
.sb-action-btn--edit {
  color: #ffc107;
  border-color: #ffc107;
}

.sb-action-btn--edit:hover {
  background-color: #ffc107;
  color: #000;
  text-decoration: none;
}

/* Delete Button (Danger/Red) */
.sb-action-btn--delete {
  color: #dc3545;
  border-color: #dc3545;
}

.sb-action-btn--delete:hover {
  background-color: #dc3545;
  color: #fff;
  text-decoration: none;
}

/* Additional Action Button Types */
.sb-action-btn--success {
  color: var(--sb-brand-green);
  border-color: var(--sb-brand-green);
}

.sb-action-btn--success:hover {
  background-color: var(--sb-brand-green);
  color: #fff;
  text-decoration: none;
}

.sb-action-btn--secondary {
  color: var(--sb-gray-600);
  border-color: var(--sb-gray-400);
}

.sb-action-btn--secondary:hover {
  background-color: var(--sb-gray-100);
  color: var(--sb-gray-800);
  text-decoration: none;
}

/* Bootstrap btn-group compatibility */
.btn-group-sm .btn {
  width: 32px;
  height: 32px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-outline-info {
  color: #0dcaf0;
  border-color: #0dcaf0;
}

.btn-outline-info:hover {
  background-color: #0dcaf0;
  color: #fff;
}

.btn-outline-warning {
  color: #ffc107;
  border-color: #ffc107;
}

.btn-outline-warning:hover {
  background-color: #ffc107;
  color: #000;
}

.btn-outline-danger {
  color: #dc3545;
  border-color: #dc3545;
}

.btn-outline-danger:hover {
  background-color: #dc3545;
  color: #fff;
}

/* Global icon-only button treatment */
button[type="button"].btn.sb-icon-only,
a.btn.sb-icon-only {
  width: 2.25rem;
  height: 2.25rem;
  min-width: 2.25rem;
  padding: 0.375rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0;
  line-height: 0;
}

button[type="button"].btn.sb-icon-only::before,
a.btn.sb-icon-only::before {
  content: "";
  width: 1rem;
  height: 1rem;
  background-color: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 32a224 224 0 1 0 0 448a224 224 0 1 0 0-448zm24 112v88h88a24 24 0 1 1 0 48h-88v88a24 24 0 1 1-48 0v-88h-88a24 24 0 1 1 0-48h88v-88a24 24 0 1 1 48 0z'/%3E%3C/svg%3E") center / contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 512 512'%3E%3Cpath d='M256 32a224 224 0 1 0 0 448a224 224 0 1 0 0-448zm24 112v88h88a24 24 0 1 1 0 48h-88v88a24 24 0 1 1-48 0v-88h-88a24 24 0 1 1 0-48h88v-88a24 24 0 1 1 48 0z'/%3E%3C/svg%3E") center / contain no-repeat;
}

button[type="button"].btn.sb-icon-only i,
button[type="button"].btn.sb-icon-only svg,
a.btn.sb-icon-only i,
a.btn.sb-icon-only svg {
  display: none;
}

/* ============================================================
   DEFINITION LISTS - detail page key-value layouts
   ============================================================ */
dl.row {
  margin-bottom: 0;
}

dl.row dt {
  color: var(--sb-text-muted);
  font-size: 13px;
  font-weight: 600;
  padding-top: 10px;
  padding-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

dl.row dd {
  color: var(--sb-text-strong);
  font-weight: 500;
  padding-top: 10px;
  padding-bottom: 10px;
  margin-bottom: 0;
  border-bottom: 1px solid var(--sb-border-subtle);
}

dl.row > div:last-child dd {
  border-bottom: none;
}

/* ============================================================
   DATATABLES - lightweight header + row spacing overrides
   ============================================================ */
table.dataTable thead th,
table.dataTable thead td {
  background: var(--sb-gray-50) !important;
  font-size: 11px !important;
  font-weight: 800 !important;
  letter-spacing: 0.05em !important;
  text-transform: uppercase !important;
  color: var(--sb-gray-600) !important;
  border-bottom: 1px solid var(--sb-border) !important;
  padding: 13px 14px !important;
  white-space: nowrap;
}

table.dataTable tbody td {
  padding: 14px !important;
  vertical-align: middle;
  border-bottom: 1px solid var(--sb-gray-100);
}

table.dataTable tbody tr:hover > * {
  background: var(--sb-gray-50) !important;
}

table.dataTable thead .sorting::before,
table.dataTable thead .sorting::after,
table.dataTable thead .sorting_asc::before,
table.dataTable thead .sorting_asc::after,
table.dataTable thead .sorting_desc::before,
table.dataTable thead .sorting_desc::after {
  opacity: 0.55;
}

/* ============================================================
   PAGE HERO - reusable hero block for high-value detail screens
   ============================================================ */
.page-hero,
.sb-page-hero {
  background: linear-gradient(135deg, #ffffff 0%, var(--sb-green-50) 100%);
  border: 1px solid var(--sb-border-subtle);
  border-radius: var(--sb-radius-lg, 16px);
  box-shadow: var(--sb-shadow-hero);
  padding: 28px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-hero h1,
.sb-page-hero h1 {
  margin: 0 0 6px;
  color: var(--sb-text-strong);
}

.page-hero p,
.sb-page-hero p {
  color: var(--sb-text-muted);
  margin: 0;
  font-size: 15px;
}

.page-hero .hero-info,
.sb-page-hero .hero-info {
  flex: 1 1 300px;
}

.page-hero .hero-actions,
.sb-page-hero .hero-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ============================================================
   MOBILE TOUCH TARGETS AND SPACING
   ============================================================ */
@media (max-width: 768px) {
  .btn {
    min-height: 44px;
    padding: 10px 16px;
  }

  .form-control,
  .form-select {
    min-height: 44px;
  }

  .card-body {
    padding: 16px;
  }

  .card-header {
    padding: 14px 16px 14px 20px;
  }

  .page-hero,
  .sb-page-hero {
    flex-direction: column;
    align-items: flex-start;
    padding: 22px;
  }

  .page-hero .hero-actions,
  .sb-page-hero .hero-actions {
    width: 100%;
  }

  .page-hero .hero-actions .btn,
  .sb-page-hero .hero-actions .btn {
    flex: 1 1 140px;
    justify-content: center;
  }

  .table thead th {
    font-size: 10px;
    padding: 11px 10px;
  }

  .table tbody td {
    padding: 12px 10px;
  }

  /* #2854: Payments/Create's Payment Method button row (#2803) doesn't wrap at
     narrow widths, pushing the Terminal button fully offscreen. Wrap into a 2-up
     grid below tablet width instead of a single non-wrapping row. */
  #paymentMethodTabs {
    flex-wrap: wrap;
    gap: 6px;
  }

  #paymentMethodTabs .btn {
    flex: 1 1 45%;
    border-radius: 0.25rem !important;
  }
}

/* ============================================================
   SECTION 3: PAGE PATTERNS
   ============================================================ */

/* ==========================
   PAYMENT SUCCESS/FAILURE PAGES
   ========================== */
.success-container,
.failure-container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 2rem;
    background: var(--sb-bg-card);
    border-radius: 8px;
    box-shadow: var(--sb-shadow-card);
    text-align: center;
}

.success-icon {
    color: var(--sb-success);
    font-size: 4rem;
    margin-bottom: 1rem;
}

.failure-icon {
    color: var(--sb-danger);
    font-size: 4rem;
    margin-bottom: 1rem;
}

.success-details,
.error-details {
    background: var(--sb-bg-page);
    border-radius: 6px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    text-align: left;
}

.error-details {
    border-left: 4px solid var(--sb-danger);
}

.next-steps {
    background: var(--sb-success-bg);
    border: 1px solid var(--sb-success-border);
    border-radius: 6px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.troubleshooting {
    background: var(--sb-warning-bg);
    border: 1px solid var(--sb-warning-border);
    border-radius: 6px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.action-buttons .btn {
    margin: 0.5rem;
}

.support-info {
    background: var(--sb-gray-100);
    border-radius: 6px;
    padding: 1rem;
    margin-top: 1.5rem;
}

/* ==========================
   ANIMATIONS
   ========================== */
.animated {
    animation-duration: 1s;
    animation-fill-mode: both;
}

.bounceIn {
    opacity: 1;
    transform: scale(1);
    transition: all 0.5s ease;
}

.shake {
    transition: transform 0.3s ease;
}

.fadeIn {
    opacity: 1;
    transition: opacity 0.5s ease-in;
}

/* ==========================
   DETAIL PAGES
   ========================== */
.detail-card-header {
    background-color: #ffffff !important;
    color: var(--sb-gray-900) !important;
    border-bottom: 1px solid #eef2f7 !important;
    position: relative;
    padding-left: 24px !important;
}

.detail-card-header::before {
    content: "";
    position: absolute;
    left: 0;
    top: 14px;
    bottom: 14px;
    width: 4px;
    border-radius: 999px;
    background: var(--sb-green-500);
}

.status-badge-active {
    background-color: var(--sb-success-bg) !important;
    color: var(--sb-success-text) !important;
    border: 1px solid var(--sb-success-border) !important;
    border-radius: 999px !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
}

.status-badge-inactive {
    background-color: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #e2e8f0 !important;
    border-radius: 999px !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
}

.status-badge-withdrawn {
    background-color: var(--sb-danger-bg) !important;
    color: var(--sb-danger-text) !important;
    border: 1px solid var(--sb-danger-border) !important;
    border-radius: 999px !important;
    padding: 4px 10px !important;
    font-size: 12px !important;
    font-weight: 700 !important;
}

/* ==========================
   INLINE BADGE OVERRIDES
   ========================== */
.badge.badge-sb-success {
    background-color: var(--sb-success-bg) !important;
    color: var(--sb-success-text) !important;
    border: 1px solid var(--sb-success-border) !important;
}

.badge.badge-sb-danger {
    background-color: var(--sb-danger-bg) !important;
    color: var(--sb-danger-text) !important;
    border: 1px solid var(--sb-danger-border) !important;
}

.badge.badge-sb-warning {
    background-color: var(--sb-warning-bg) !important;
    color: var(--sb-warning-text) !important;
    border: 1px solid var(--sb-warning-border) !important;
}

.badge.badge-sb-info {
    background-color: var(--sb-info-bg) !important;
    color: var(--sb-info-text) !important;
    border: 1px solid var(--sb-info-border) !important;
}

.badge.badge-sb-secondary {
    background-color: #f1f5f9 !important;
    color: #475569 !important;
    border: 1px solid #e2e8f0 !important;
}

/* ==========================
   NOTIFICATION STYLES
   ========================== */
.notification-item-container {
    max-width: 1200px;
    margin: 2rem auto;
}

.notification-card {
    background: var(--sb-bg-card);
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    margin-bottom: 1rem;
    padding: 1.5rem;
    box-shadow: var(--sb-shadow-card);
}

.notification-card.unread {
    background-color: var(--sb-green-50);
    border-left: 4px solid var(--sb-primary);
}

.notification-card.read {
    opacity: 0.8;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.notification-badge {
    display: inline-block;
    padding: 0.25rem 0.6rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 12px;
}

.notification-badge.priority-high {
    background-color: var(--sb-danger);
    color: var(--sb-primary-contrast);
}

.notification-badge.priority-normal {
    background-color: var(--sb-info);
    color: var(--sb-primary-contrast);
}

.notification-badge.priority-low {
    background-color: var(--sb-gray-500);
    color: var(--sb-primary-contrast);
}

/* ==========================
   PARENT/STUDENT DASHBOARD
   ========================== */
.dashboard-welcome {
    background: linear-gradient(135deg, var(--sb-green-500) 0%, var(--sb-green-700) 100%);
    color: var(--sb-primary-contrast);
    padding: 2rem;
    border-radius: 8px;
    margin-bottom: 2rem;
    box-shadow: var(--sb-shadow-card);
}

.dashboard-card {
    background: var(--sb-bg-card);
    border: 1px solid var(--sb-border);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--sb-shadow-card);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dashboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(42, 47, 52, 0.1);
}

.dashboard-stat {
    text-align: center;
    padding: 1rem;
}

.dashboard-stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sb-primary);
    margin: 0;
}

.dashboard-stat-label {
    font-size: 0.875rem;
    color: var(--sb-text-muted);
    margin-top: 0.5rem;
}

/* ==========================
   FORM HELPER TEXT
   ========================== */
form .form-text,
form .help-block,
form small.text-muted,
form .text-muted.form-text,
form .d-block.text-muted {
    display: none !important;
}

/* ==========================
   RESPONSIVE UTILITIES
   ========================== */
@media (max-width: 768px) {
    .success-container,
    .failure-container {
        margin: 1rem;
        padding: 1.5rem;
    }

    .success-icon,
    .failure-icon {
        font-size: 3rem;
    }

    .action-buttons .btn {
        display: block;
        width: 100%;
        margin: 0.5rem 0;
    }

    .dashboard-stat-value {
        font-size: 2rem;
    }
}

/* Self-hosted inline-SVG icons (Epic #2765) - matches FontAwesome's own inline vertical-align
   convention so these drop into existing text/button/badge layouts without a rendering change. */
.sb-icon-svg {
    display: inline-block;
    vertical-align: -0.125em;
}