/* ══════════════════════════════════════════════════════════════════════════════
   SITEZY ADMIN - MATERIAL DESIGN 3 ("MATERIALIZED / M3") DESIGN SYSTEM
   Modern, state-of-the-art enterprise admin portal theme
   Features: M3 Tonal Palette, Elevation Levels, Glassmorphism, Pill Navigation
   ══════════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@500;700&family=DM+Sans:wght@400;500;600&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');
@import url('https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css');

/* ─── 1. BHAGYALAKSHMI REFERENCE DESIGN TOKENS ─── */
:root,
[data-bs-theme="light"] {
  --bg: #F4F6FB;
  --surface: #ffffff;
  --ink: #14192B;
  --muted: #5B6480;
  --line: #E0E5F0;
  --side: #0F1B3F;
  --side-ink: #C7D0EA;
  --brand: #2A56D6;
  --brand-ink: #ffffff;
  --amber: #B86E08;
  --amber-bg: #FDF1DC;
  --red: #C2362B;
  --ok: #1F8A5B;
  --green-bg: #DDF2E7;

  /* Typography */
  --font-display: 'Bricolage Grotesque', sans-serif;
  --font-body: 'DM Sans', system-ui, sans-serif;

  /* Backward Compatibility Mapping */
  --md-primary: var(--brand);
  --md-on-primary: var(--brand-ink);
  --md-primary-container: #EEF2FF;
  --md-on-primary-container: var(--brand);
  --md-surface: var(--bg);
  --md-surface-bright: var(--surface);
  --md-surface-container: var(--surface);
  --md-surface-container-low: var(--bg);
  --md-surface-container-lowest: var(--surface);
  --md-on-surface: var(--ink);
  --md-on-surface-variant: var(--muted);
  --md-outline: var(--line);
  --md-outline-variant: var(--line);
  --md-success: var(--ok);
  --md-error: var(--red);
  --md-tertiary: var(--amber);
}

[data-theme="dark"],
[data-bs-theme="dark"] {
  --bg: #0D1220;
  --surface: #151C2F;
  --ink: #E8ECF7;
  --muted: #98A3C0;
  --line: #27314D;
  --side: #090D18;
  --brand: #7C9CFF;
  --brand-ink: #0A1230;
  --amber: #F0B45A;
  --amber-bg: #3A2A10;
  --red: #F07A6E;
  --ok: #5CD39B;
  --green-bg: #173A2A;

  /* Backward Compatibility Mapping */
  --md-primary: var(--brand);
  --md-on-primary: var(--brand-ink);
  --md-primary-container: #1C2B54;
  --md-on-primary-container: var(--brand);
  --md-surface: var(--bg);
  --md-surface-bright: var(--surface);
  --md-surface-container: var(--surface);
  --md-surface-container-low: var(--bg);
  --md-surface-container-lowest: var(--surface);
  --md-on-surface: var(--ink);
  --md-on-surface-variant: var(--muted);
  --md-outline: var(--line);
  --md-outline-variant: var(--line);
  --md-success: var(--ok);
  --md-error: var(--red);
  --md-tertiary: var(--amber);
}

  --md-success: #059669;
  --md-on-success: #ffffff;
  --md-success-container: #d1fae5;
  --md-on-success-container: #064e3b;

  --md-error: #dc2626;
  --md-on-error: #ffffff;
  --md-error-container: #fee2e2;
  --md-on-error-container: #7f1d1d;

  --md-info: #0284c7;
  --md-info-container: #e0f2fe;
  --md-on-info-container: #0c4a6e;

  /* M3 Surface Tonal Hierarchy - Light */
  --md-surface-dim: #edeef2;
  --md-surface: #f8fafc;
  --md-surface-bright: #ffffff;
  --md-surface-container-lowest: #ffffff;
  --md-surface-container-low: #f8fafc;
  --md-surface-container: #f1f5f9;
  --md-surface-container-high: #e2e8f0;
  --md-surface-container-highest: #cbd5e1;

  /* Text & Inks */
  --md-on-surface: #0f172a;
  --md-on-surface-variant: #475569;
  --md-outline: #94a3b8;
  --md-outline-variant: #e2e8f0;
  --md-outline-subtle: #f1f5f9;

  /* M3 Elevation Multi-layer Shadows */
  --md-elevation-0: none;
  --md-elevation-1: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.05);
  --md-elevation-2: 0 4px 8px -2px rgba(15, 23, 42, 0.06), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --md-elevation-3: 0 10px 18px -4px rgba(15, 23, 42, 0.08), 0 4px 6px -2px rgba(15, 23, 42, 0.04);
  --md-elevation-4: 0 18px 26px -6px rgba(15, 23, 42, 0.10), 0 8px 10px -4px rgba(15, 23, 42, 0.05);
  --md-elevation-5: 0 24px 38px -8px rgba(15, 23, 42, 0.14), 0 12px 16px -6px rgba(15, 23, 42, 0.06);

  /* M3 Shape Radius */
  --md-shape-xs: 4px;
  --md-shape-sm: 8px;
  --md-shape-md: 12px;
  --md-shape-lg: 16px;
  --md-shape-xl: 20px;
  --md-shape-2xl: 28px;
  --md-shape-full: 9999px;

  /* Backward Compatibility Variables for Existing Views */
  --surface-app: var(--md-surface);
  --surface-panel: var(--md-surface-container-lowest);
  --surface-sunken: var(--md-surface-container);
  --surface-hover: var(--md-surface-container);
  --ink-primary: var(--md-on-surface);
  --ink-secondary: var(--md-on-surface-variant);
  --ink-muted: var(--md-outline);

  --bs-body-font-family: var(--font-body);
  --bs-body-bg: var(--md-surface);
  --bs-body-color: var(--md-on-surface);
  --bs-border-color: var(--md-outline-variant);

  --bs-primary: var(--md-primary);
  --bs-primary-rgb: var(--md-primary-rgb);
  --bs-primary-bg-subtle: var(--md-primary-container);
  --bs-primary-border-subtle: #bfdbfe;

  --bs-success: var(--md-success);
  --bs-success-bg-subtle: var(--md-success-container);

  --bs-danger: var(--md-error);
  --bs-danger-bg-subtle: var(--md-error-container);

  --bs-warning: var(--md-tertiary);
  --bs-warning-bg-subtle: var(--md-tertiary-container);

  --header-bg: rgba(255, 255, 255, 0.88);
  --sidebar-bg: #ffffff;
}

[data-bs-theme="dark"] {
  /* M3 Tonal Color Palette - Dark */
  --md-primary: #a8c7fa;
  --md-on-primary: #062e6f;
  --md-primary-container: #0842a0;
  --md-on-primary-container: #d3e3fd;
  --md-primary-rgb: 168, 199, 250;
  --md-primary-focus: rgba(168, 199, 250, 0.25);

  --md-secondary: #94a3b8;
  --md-on-secondary: #0f172a;
  --md-secondary-container: #1e293b;
  --md-on-secondary-container: #e2e8f0;

  --md-tertiary: #f59e0b;
  --md-on-tertiary: #451a03;
  --md-tertiary-container: #78350f;
  --md-on-tertiary-container: #fef3c7;

  --md-success: #34d399;
  --md-on-success: #064e3b;
  --md-success-container: #065f46;
  --md-on-success-container: #d1fae5;

  --md-error: #f87171;
  --md-on-error: #7f1d1d;
  --md-error-container: #991b1b;
  --md-on-error-container: #fee2e2;

  --md-info: #38bdf8;
  --md-info-container: #075985;
  --md-on-info-container: #e0f2fe;

  /* M3 Surface Tonal Hierarchy - Dark */
  --md-surface-dim: #090d16;
  --md-surface: #0b0f19;
  --md-surface-bright: #1e293b;
  --md-surface-container-lowest: #0d121f;
  --md-surface-container-low: #111827;
  --md-surface-container: #172033;
  --md-surface-container-high: #1e293b;
  --md-surface-container-highest: #283548;

  /* Text & Inks - Dark */
  --md-on-surface: #f1f5f9;
  --md-on-surface-variant: #94a3b8;
  --md-outline: #64748b;
  --md-outline-variant: #1e293b;
  --md-outline-subtle: #172033;

  /* M3 Elevation Shadows - Dark */
  --md-elevation-1: 0 1px 3px 0 rgba(0, 0, 0, 0.45), 0 1px 2px -1px rgba(0, 0, 0, 0.35);
  --md-elevation-2: 0 4px 8px -2px rgba(0, 0, 0, 0.55), 0 2px 4px -2px rgba(0, 0, 0, 0.4);
  --md-elevation-3: 0 10px 18px -4px rgba(0, 0, 0, 0.65), 0 4px 6px -2px rgba(0, 0, 0, 0.45);
  --md-elevation-4: 0 18px 26px -6px rgba(0, 0, 0, 0.75), 0 8px 10px -4px rgba(0, 0, 0, 0.5);
  --md-elevation-5: 0 24px 38px -8px rgba(0, 0, 0, 0.85), 0 12px 16px -6px rgba(0, 0, 0, 0.6);

  /* Backward Compatibility Variables - Dark */
  --surface-app: var(--md-surface);
  --surface-panel: var(--md-surface-container-low);
  --surface-sunken: var(--md-surface-container);
  --surface-hover: var(--md-surface-container);
  --ink-primary: var(--md-on-surface);
  --ink-secondary: var(--md-on-surface-variant);
  --ink-muted: var(--md-outline);

  --bs-body-bg: var(--md-surface);
  --bs-body-color: var(--md-on-surface);
  --bs-border-color: var(--md-outline-variant);

  --bs-primary: var(--md-primary);
  --bs-primary-rgb: var(--md-primary-rgb);
  --bs-primary-bg-subtle: var(--md-primary-container);

  --bs-success: var(--md-success);
  --bs-success-bg-subtle: var(--md-success-container);

  --bs-danger: var(--md-error);
  --bs-danger-bg-subtle: var(--md-error-container);

  --bs-warning: var(--md-tertiary);
  --bs-warning-bg-subtle: var(--md-tertiary-container);

  --header-bg: rgba(13, 18, 31, 0.88);
  --sidebar-bg: #0d121f;
}

/* ─── 2. BASE & TYPOGRAPHY ─── */
*, *::before, *::after {
  box-sizing: border-box;
}

body.admin-layout {
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  background-color: var(--md-surface);
  color: var(--md-on-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .display-font {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--md-on-surface);
  letter-spacing: -0.02em;
}

/* ─── 3. APPLICATION SHELL & GRID ─── */
.admin-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ─── 4. MATERIAL TOP APP BAR (HEADER) ─── */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 1040;
  height: var(--header-height);
  background: var(--header-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--md-outline-variant);
  transition: box-shadow 0.25s ease, background-color 0.25s ease;
  display: flex;
  align-items: center;
  padding: 0 1.25rem;
}

.admin-header.scrolled {
  box-shadow: var(--md-elevation-2);
}

.navbar {
  width: 100%;
  padding: 0;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--md-on-surface);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  letter-spacing: -0.02em;
}

.navbar-brand img {
  height: 34px;
  width: auto;
  border-radius: var(--md-shape-sm);
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.navbar-brand .brand-badge {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--md-shape-full);
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}

/* Navigation Drawer Toggle Icon */
.hamburger-menu {
  background: transparent;
  border: none;
  color: var(--md-on-surface-variant);
  width: 40px;
  height: 40px;
  border-radius: var(--md-shape-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.35rem;
  transition: background-color 0.2s cubic-bezier(0.4, 0, 0.2, 1), color 0.2s ease;
}

.hamburger-menu:hover {
  background-color: var(--md-surface-container);
  color: var(--md-on-surface);
}

/* Search Input Pill (Ctrl+K) */
.search-container {
  position: relative;
  max-width: 440px;
}

.search-container input[type="search"] {
  background-color: var(--md-surface-container);
  border: 1px solid transparent;
  border-radius: var(--md-shape-full);
  padding: 0.55rem 2.5rem 0.55rem 2.75rem;
  font-size: 0.875rem;
  color: var(--md-on-surface);
  height: 42px;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--md-elevation-1);
}

.search-container input[type="search"]:focus {
  background-color: var(--md-surface-container-lowest);
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px var(--md-primary-focus), var(--md-elevation-2);
  outline: none;
}

.search-container .search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--md-on-surface-variant);
  font-size: 0.95rem;
  pointer-events: none;
}

.search-container .search-kbd {
  position: absolute;
  right: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--md-surface-container-highest);
  color: var(--md-on-surface-variant);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  border-radius: var(--md-shape-xs);
  pointer-events: none;
}

/* Environment Switcher Segmented Pill */
.env-segmented-pill {
  display: inline-flex;
  align-items: center;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-full);
  padding: 3px;
  margin-right: 0.85rem;
  box-shadow: var(--md-elevation-1);
}

.env-segmented-pill button {
  background: transparent;
  border: none;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--md-on-surface-variant);
  padding: 0.35rem 0.75rem;
  border-radius: var(--md-shape-full);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.env-segmented-pill button.active.prod {
  background: var(--md-error);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(220, 38, 38, 0.35);
}

.env-segmented-pill button.active.dev {
  background: var(--md-tertiary);
  color: #ffffff;
  box-shadow: 0 2px 6px rgba(217, 119, 6, 0.35);
}

.env-segmented-pill button:not(.active):hover {
  color: var(--md-on-surface);
  background: rgba(0, 0, 0, 0.04);
}

/* Live Time Indicator */
.live-time-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-full);
  padding: 0.35rem 0.85rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--md-on-surface-variant);
  margin-right: 0.75rem;
}

.live-time-indicator .pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--md-success);
  box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
  animation: pulseGreen 2s infinite cubic-bezier(0.4, 0, 0.6, 1);
}

@keyframes pulseGreen {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(5, 150, 105, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
}

/* Header Action Buttons */
.header-action-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--md-shape-full);
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container-lowest);
  color: var(--md-on-surface-variant);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--md-elevation-1);
}

.header-action-btn:hover {
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  transform: translateY(-1px);
}

/* User Avatar & Dropdown */
.user-menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-full);
  padding: 0.25rem 0.85rem 0.25rem 0.25rem;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--md-on-surface);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.user-menu-btn:hover {
  background: var(--md-surface-container-high);
  box-shadow: var(--md-elevation-1);
}

.user-avatar-sm {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--md-primary), #3b82f6);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  box-shadow: 0 2px 4px rgba(26, 86, 219, 0.3);
}

/* Dropdown Menu Material Styling */
.dropdown-menu {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-lg);
  box-shadow: var(--md-elevation-4);
  padding: 0.5rem;
  min-width: 220px;
}

.dropdown-item {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.55rem 0.85rem;
  border-radius: var(--md-shape-md);
  color: var(--md-on-surface);
  transition: background-color 0.15s ease, color 0.15s ease;
  display: flex;
  align-items: center;
}

.dropdown-item:hover {
  background-color: var(--md-surface-container);
  color: var(--md-primary);
}

/* ─── 5. MATERIAL NAVIGATION DRAWER (SIDEBAR) ─── */
.admin-wrapper {
  display: flex;
  flex: 1;
}

.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--md-outline-variant);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: var(--header-height);
  height: calc(100vh - var(--header-height));
  z-index: 1030;
  transition: width 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-x: hidden;
}

.admin-sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 1rem 0.75rem;
}

.sidebar-content::-webkit-scrollbar {
  width: 4px;
}

.sidebar-content::-webkit-scrollbar-thumb {
  background: var(--md-outline-variant);
  border-radius: var(--md-shape-full);
}

.nav-section-title {
  font-family: var(--font-display);
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-outline);
  padding: 0.85rem 1rem 0.35rem 1rem;
  white-space: nowrap;
}

.admin-sidebar.collapsed .nav-section-title {
  opacity: 0;
  height: 0;
  padding: 0;
  margin: 0;
}

/* Navigation Item as Material 3 Rounded Pill */
.nav-item {
  margin-bottom: 0.25rem;
}

.nav-link {
  position: relative;
  display: flex;
  align-items: center;
  padding: 0.65rem 1rem;
  border-radius: var(--md-shape-full);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
}

.nav-link i:first-child {
  font-size: 1.15rem;
  width: 1.75rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--md-on-surface-variant);
  transition: color 0.2s ease, transform 0.2s ease;
}

.nav-link:hover {
  background-color: var(--md-surface-container);
  color: var(--md-on-surface);
}

.nav-link:hover i:first-child {
  color: var(--md-primary);
  transform: scale(1.1);
}

/* Active Material 3 Pill State */
.nav-link.active {
  background-color: var(--md-primary-container);
  color: var(--md-on-primary-container);
  font-weight: 700;
  box-shadow: var(--md-elevation-1);
}

.nav-link.active i:first-child {
  color: var(--md-primary);
}

.nav-badge {
  margin-left: auto;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: var(--md-shape-full);
  background: var(--md-primary);
  color: #ffffff;
}

.admin-sidebar.collapsed .nav-link span,
.admin-sidebar.collapsed .nav-badge,
.admin-sidebar.collapsed .submenu-arrow {
  display: none;
}

.admin-sidebar.collapsed .nav-link {
  justify-content: center;
  padding: 0.75rem 0;
  width: 48px;
  height: 48px;
  margin: 0.25rem auto;
}

.admin-sidebar.collapsed .nav-link i:first-child {
  width: auto;
  margin: 0;
  font-size: 1.3rem;
}

/* Sidebar Nested Submenus */
.nav-submenu {
  list-style: none;
  padding: 0.25rem 0 0.35rem 1.25rem;
  margin: 0.15rem 0 0.35rem 1.25rem;
  border-left: 2px solid var(--md-outline-variant);
}

.submenu-link {
  display: flex;
  align-items: center;
  padding: 0.45rem 0.85rem;
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--md-on-surface-variant);
  text-decoration: none;
  border-radius: var(--md-shape-full);
  transition: all 0.15s ease;
}

.submenu-link:hover {
  background-color: var(--md-surface-container);
  color: var(--md-on-surface);
}

.submenu-link.active {
  background-color: var(--md-surface-container-high);
  color: var(--md-primary);
  font-weight: 700;
}

/* Sidebar Footer (Mobile APK Download) */
.sidebar-footer {
  padding: 1rem 0.85rem;
  border-top: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container-lowest);
}

.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1025;
}

.sidebar-backdrop.active {
  display: block;
}

/* ─── 6. MAIN CONTENT SURFACE ─── */
.admin-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--md-surface);
}

.admin-content {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1540px;
  width: 100%;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .admin-content {
    padding: 1rem;
  }
}

/* ─── 7. MATERIAL 3 CARDS & SURFACES ─── */
.md-card,
.card-panel {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-xl);
  box-shadow: var(--md-elevation-1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  transition: box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1), transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.md-card-elevated {
  box-shadow: var(--md-elevation-2);
}

.md-card-interactive:hover {
  box-shadow: var(--md-elevation-3);
  transform: translateY(-2px);
}

.md-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.md-card-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--md-on-surface);
  margin: 0;
}

.md-card-subtitle {
  font-size: 0.85rem;
  color: var(--md-on-surface-variant);
  margin-top: 0.25rem;
}

/* Stat KPI Metric Cards */
.stat-card-m3 {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-xl);
  box-shadow: var(--md-elevation-1);
  padding: 1.35rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-card-m3:hover {
  box-shadow: var(--md-elevation-3);
  transform: translateY(-3px);
  border-color: var(--md-primary);
}

.stat-icon-squircle {
  width: 52px;
  height: 52px;
  border-radius: var(--md-shape-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  flex-shrink: 0;
}

.stat-icon-blue {
  background: var(--md-primary-container);
  color: var(--md-primary);
}

.stat-icon-amber {
  background: var(--md-tertiary-container);
  color: var(--md-tertiary);
}

.stat-icon-emerald {
  background: var(--md-success-container);
  color: var(--md-success);
}

.stat-icon-rose {
  background: var(--md-error-container);
  color: var(--md-error);
}

.stat-val-m3 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--md-on-surface);
  line-height: 1.2;
  margin: 0;
  letter-spacing: -0.03em;
}

.stat-label-m3 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--md-on-surface-variant);
  margin-bottom: 0.2rem;
}

/* ─── 8. MATERIAL 3 BUTTONS & CHIPS ─── */
.btn {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  border-radius: var(--md-shape-md);
  padding: 0.55rem 1.15rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-pill {
  border-radius: var(--md-shape-full);
}

.btn-primary,
.btn-filled {
  background-color: var(--md-primary);
  border-color: var(--md-primary);
  color: var(--md-on-primary);
  box-shadow: var(--md-elevation-1);
}

.btn-primary:hover,
.btn-filled:hover {
  background-color: #1447b8;
  border-color: #1447b8;
  color: #ffffff;
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.btn-success {
  background-color: var(--md-success);
  border-color: var(--md-success);
  color: var(--md-on-success);
  box-shadow: var(--md-elevation-1);
}

.btn-success:hover {
  background-color: #047857;
  border-color: #047857;
  color: #ffffff;
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.btn-danger {
  background-color: var(--md-error);
  border-color: var(--md-error);
  color: var(--md-on-error);
  box-shadow: var(--md-elevation-1);
}

.btn-danger:hover {
  background-color: #b91c1c;
  border-color: #b91c1c;
  color: #ffffff;
  box-shadow: var(--md-elevation-2);
  transform: translateY(-1px);
}

.btn-tonal {
  background-color: var(--md-secondary-container);
  border: 1px solid transparent;
  color: var(--md-on-secondary-container);
}

.btn-tonal:hover {
  background-color: var(--md-surface-container-high);
  color: var(--md-on-surface);
}

.btn-outlined {
  background-color: transparent;
  border: 1px solid var(--md-outline-variant);
  color: var(--md-on-surface);
}

.btn-outlined:hover {
  background-color: var(--md-surface-container);
  border-color: var(--md-outline);
}

/* Floating Action Button (FAB) */
.fab-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--md-shape-lg);
  background: var(--md-primary);
  color: var(--md-on-primary);
  border: none;
  box-shadow: var(--md-elevation-3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  right: 2rem;
  bottom: 2rem;
  z-index: 1020;
}

.fab-btn:hover {
  box-shadow: var(--md-elevation-4);
  transform: scale(1.06) translateY(-2px);
  background: #1447b8;
}

/* Material Chips */
.md-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--md-shape-full);
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--md-outline-variant);
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.15s ease;
}

.md-chip:hover {
  background: var(--md-surface-container-high);
}

.md-chip.active {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
  border-color: var(--md-primary);
  font-weight: 700;
}

/* Segmented Tabs Component */
.segmented-tabs-m3 {
  display: inline-flex;
  align-items: center;
  background: var(--md-surface-container);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-full);
  padding: 4px;
  gap: 4px;
  box-shadow: var(--md-elevation-1);
}

.segmented-tab-item {
  font-family: var(--font-display);
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--md-on-surface-variant);
  padding: 0.45rem 1.15rem;
  border-radius: var(--md-shape-full);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  border: none;
  background: transparent;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.segmented-tab-item:hover {
  color: var(--md-on-surface);
  background: rgba(0, 0, 0, 0.04);
}

.segmented-tab-item.active {
  background: var(--md-surface-container-lowest);
  color: var(--md-primary);
  font-weight: 700;
  box-shadow: var(--md-elevation-1);
}

/* ─── 9. MATERIAL DATA TABLES ─── */
.table-container-m3 {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-xl);
  box-shadow: var(--md-elevation-1);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.table-m3,
table.table {
  width: 100%;
  margin-bottom: 0;
  color: var(--md-on-surface);
  border-collapse: collapse;
}

.table-m3 thead th,
table.table thead th {
  background: var(--md-surface-container-low);
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--md-on-surface-variant);
  padding: 0.95rem 1.25rem;
  border-bottom: 1px solid var(--md-outline-variant);
  white-space: nowrap;
}

.table-m3 tbody td,
table.table tbody td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--md-outline-variant);
  vertical-align: middle;
  font-size: 0.875rem;
  transition: background-color 0.15s ease;
}

.table-m3 tbody tr:hover td,
table.table tbody tr:hover td {
  background-color: var(--md-surface-container);
}

.table-m3 tbody tr:last-child td,
table.table tbody tr:last-child td {
  border-bottom: none;
}

/* Modern Status Dot Badges */
.badge-m3,
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--md-shape-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  display: inline-block;
}

.badge-success {
  background-color: var(--md-success-container);
  color: var(--md-on-success-container);
}
.badge-success .badge-dot { background-color: var(--md-success); }

.badge-warning {
  background-color: var(--md-tertiary-container);
  color: var(--md-on-tertiary-container);
}
.badge-warning .badge-dot { background-color: var(--md-tertiary); }

.badge-danger {
  background-color: var(--md-error-container);
  color: var(--md-on-error-container);
}
.badge-danger .badge-dot { background-color: var(--md-error); }

.badge-info {
  background-color: var(--md-info-container);
  color: var(--md-on-info-container);
}
.badge-info .badge-dot { background-color: var(--md-info); }

/* ─── 10. MATERIAL 3 DIALOGS (MODALS) ─── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1050;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  transition: opacity 0.25s ease;
}

.modal-backdrop.active {
  display: flex !important;
  opacity: 1;
}

.modal-dialog {
  width: 100%;
  max-width: 620px;
  max-height: 90vh;
  position: relative;
  z-index: 1060;
  pointer-events: auto !important;
  transform: scale(0.94) translateY(12px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-content {
  background: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-2xl);
  box-shadow: var(--md-elevation-5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  pointer-events: auto !important;
}

.modal-dialog.modal-lg { max-width: 880px; }
.modal-dialog.modal-xl { max-width: 1100px; }

.modal-header {
  padding: 1.35rem 1.75rem;
  border-bottom: 1px solid var(--md-outline-variant);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--md-surface-container-low);
}

.modal-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--md-on-surface);
  margin: 0;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.4rem;
  color: var(--md-on-surface-variant);
  width: 36px;
  height: 36px;
  border-radius: var(--md-shape-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.modal-close:hover {
  background-color: var(--md-error-container);
  color: var(--md-error);
}

.modal-body {
  padding: 1.75rem;
  overflow-y: auto;
}

.modal-footer {
  padding: 1rem 1.75rem;
  border-top: 1px solid var(--md-outline-variant);
  background-color: var(--md-surface-container-low);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* ─── 11. FORM INPUTS & MATERIAL OUTLINES ─── */
.form-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--md-on-surface);
  margin-bottom: 0.45rem;
}

.form-control,
.form-select {
  background-color: var(--md-surface-container-lowest);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--md-shape-md);
  padding: 0.65rem 1rem;
  font-size: 0.875rem;
  color: var(--md-on-surface);
  box-shadow: var(--md-elevation-1);
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control:focus,
.form-select:focus {
  background-color: var(--md-surface-container-lowest);
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px var(--md-primary-focus), var(--md-elevation-2);
  outline: none;
}

.form-text {
  font-size: 0.75rem;
  color: var(--md-on-surface-variant);
  margin-top: 0.35rem;
}

/* ─── 12. MATERIAL RIPPLE EFFECT ─── */
.md-ripple {
  position: absolute;
  border-radius: 50%;
  transform: scale(0);
  animation: rippleAnimation 0.6s linear;
  background-color: rgba(255, 255, 255, 0.45);
  pointer-events: none;
}

@keyframes rippleAnimation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}