/* ==========================================================================
   ANTI-MATRIX — Enterprise Design System
   Theme: Precision Slate & Corporate Emerald (#006837)
   Clean, Restrained, High-Density, Production-Ready SaaS Interface
   ========================================================================== */

:root {
  /* Brand Colors from Official Identity */
  --brand-primary: #006837;
  --brand-primary-hover: #00502A;
  --brand-primary-active: #003D1F;
  --brand-primary-light: #059669;
  --brand-primary-50: #F0FDF4;
  --brand-primary-100: #DCFCE7;
  --brand-primary-200: #BBF7D0;
  --brand-accent-lime: #84CC16;
  --brand-black: #09090B;

  --primary: var(--brand-primary);
  --primary-hover: var(--brand-primary-hover);
  --primary-light: var(--brand-primary-light);
  --primary-50: var(--brand-primary-50);
  --primary-100: var(--brand-primary-100);

  --secondary: #0F172A;
  --secondary-hover: #1E293B;

  /* Neutrals & Surfaces */
  --bg-main: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-elevated: #F1F5F9;
  --bg-surface-subtle: #F8FAFC;

  --text-main: #0F172A;
  --text-body: #334155;
  --text-muted: #64748B;
  --text-subtle: #94A3B8;
  --text-inverse: #FFFFFF;

  --border-subtle: #E2E8F0;
  --border-medium: #CBD5E1;
  --border-strong: #94A3B8;
  --border-focus: var(--brand-primary);

  /* Semantic Feedback */
  --success: #15803D;
  --success-bg: #DCFCE7;
  --success-border: #BBF7D0;

  --warning: #B45309;
  --warning-bg: #FEF3C7;
  --warning-border: #FDE68A;

  --danger: #B91C1C;
  --danger-bg: #FEE2E2;
  --danger-border: #FECACA;

  --info: #0369A1;
  --info-bg: #E0F2FE;
  --info-border: #BAE6FD;

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-heading: 'Plus Jakarta Sans', var(--font-main);
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  --font-brand: 'Cinzel', serif;

  /* Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Precise Elevation Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.06), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.07), 0 4px 6px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.03);
  --shadow-ring: 0 0 0 3px rgba(0, 104, 55, 0.15);

  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
}

/* ==========================================================================
   Base & Resets
   ========================================================================== */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-main);
  color: var(--text-body);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.25;
}

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

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

img {
  max-width: 100%;
  display: block;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.mono {
  font-family: var(--font-mono);
}

/* Grids */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1.25rem;
}

@media (max-width: 992px) {
  .grid-3, .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.55rem 1.15rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1.35;
}

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

.btn-sm {
  font-size: 0.8125rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
}

.btn-lg {
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-primary {
  background-color: var(--brand-primary);
  color: var(--text-inverse);
  box-shadow: var(--shadow-xs);
}

.btn-primary:hover {
  background-color: var(--brand-primary-hover);
  color: var(--text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  background-color: #FFFFFF;
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  box-shadow: var(--shadow-xs);
}

.btn-secondary:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-strong);
  color: var(--text-main);
}

.btn-dark {
  background-color: var(--brand-black);
  color: #FFFFFF;
  border: 1px solid var(--brand-black);
}

.btn-dark:hover {
  background-color: #1E293B;
  border-color: #1E293B;
  color: #FFFFFF;
}

.btn-outline-primary {
  background-color: transparent;
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary);
}

.btn-outline-primary:hover {
  background-color: var(--brand-primary);
  color: #FFFFFF;
}

.btn-danger {
  background-color: var(--danger);
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #991B1B;
}

/* ==========================================================================
   Header Navbar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  height: 76px;
  display: flex;
  align-items: center;
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.navbar-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  display: block;
  object-fit: contain;
  transition: transform var(--transition);
}

.brand-logo:hover .navbar-logo-img {
  transform: scale(1.03);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.nav-link-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-body);
  padding: 0.4rem 0.7rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.nav-link-item:hover {
  color: var(--text-main);
  background-color: var(--bg-surface-elevated);
}

/* ==========================================================================
   Authentication & Forms
   ========================================================================== */

.auth-body {
  background-color: var(--bg-main);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.auth-wrapper {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.auth-brand-center {
  margin-bottom: 1.5rem;
  text-align: center;
  width: 100%;
}

.auth-master-logo {
  max-width: 300px;
  width: 100%;
  height: auto;
  margin: 0 auto;
  display: block;
}

.auth-card {
  width: 100%;
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-md);
}

.auth-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-50);
  border: 1px solid var(--brand-primary-200);
  color: var(--brand-primary);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 0.65rem;
}

.auth-badge.admin-badge {
  background-color: #F1F5F9;
  border-color: #CBD5E1;
  color: #0F172A;
}

.auth-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--brand-primary);
}

.auth-badge.admin-badge .auth-badge-dot {
  background-color: #0F172A;
}

.auth-title {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.01em;
  margin-bottom: 0.25rem;
}

.auth-subtitle {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.auth-card-footer {
  margin-top: 1.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.auth-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  font-size: 0.775rem;
  color: var(--text-muted);
  line-height: 1.4;
  background-color: var(--bg-main);
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
}

.auth-switch-link {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.auth-switch-link:hover {
  color: var(--brand-primary);
}

.auth-tagline {
  margin-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-brand);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
}

.auth-diamond {
  color: var(--brand-primary);
  font-size: 0.55rem;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.15rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.35rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 0.85rem;
  width: 16px;
  height: 16px;
  color: var(--text-subtle);
  pointer-events: none;
}

.input-with-icon .form-control {
  padding-left: 2.5rem;
}

.form-control {
  width: 100%;
  height: 40px;
  padding: 0.55rem 0.8rem;
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-ring);
}

.form-control::placeholder {
  color: #94A3B8;
}

.form-control.is-invalid {
  border-color: var(--danger);
  background-color: #FFFDFD;
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

textarea.form-control {
  height: auto;
  min-height: 90px;
  resize: vertical;
}

.form-select {
  width: 100%;
  height: 40px;
  padding: 0.55rem 2rem 0.55rem 0.8rem;
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--text-main);
  background-color: #FFFFFF;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23475569' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 14px 12px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  appearance: none;
  -webkit-appearance: none;
  transition: var(--transition);
}

.form-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: var(--shadow-ring);
}

.form-select.is-invalid {
  border-color: var(--danger);
  background-color: #FFFDFD;
}

.form-error {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--danger);
  margin-top: 0.3rem;
}

.pw-toggle-btn {
  background: none;
  border: none;
  color: var(--text-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.pw-toggle-btn:hover {
  color: var(--text-main);
}

.custom-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.custom-checkbox input[type="checkbox"] {
  display: none;
}

.checkbox-box {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-xs);
  background-color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-box {
  background-color: var(--brand-primary);
  border-color: var(--brand-primary);
}

.custom-checkbox input[type="checkbox"]:checked + .checkbox-box::after {
  content: '✓';
  color: #FFFFFF;
  font-size: 11px;
  font-weight: bold;
}

.checkbox-label {
  font-size: 0.8125rem;
  color: var(--text-body);
}

/* ==========================================================================
   Portal Layout & Off-Canvas Sidebar Drawer (Admin & Student)
   ========================================================================== */

.portal-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  position: relative;
  background-color: var(--bg-main);
}

/* Sidebar Drawer - Off-canvas slide-out drawer */
.portal-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: 280px;
  max-width: 85vw;
  background-color: #090D16;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  z-index: 1050;
  transform: translateX(-100%);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s ease;
  overflow-y: auto;
  box-shadow: none;
}

.portal-sidebar.is-open {
  transform: translateX(0);
  box-shadow: 14px 0 50px rgba(0, 0, 0, 0.6);
}

/* Sidebar Backdrop Overlay */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 15, 0.65);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  pointer-events: none;
}

.sidebar-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Sidebar Header */
.sidebar-header {
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.sidebar-brand-wrapper {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.4rem;
  text-decoration: none;
}

/* Direct transparent logo without white box */
.sidebar-logo-img {
  height: 52px;
  width: auto;
  max-width: 220px;
  object-fit: contain;
  display: block;
  transition: transform var(--transition);
}

.sidebar-brand-wrapper:hover .sidebar-logo-img {
  transform: scale(1.03);
}

.sidebar-close-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: #94A3B8;
  border-radius: var(--radius-sm);
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.sidebar-close-btn:hover {
  background: rgba(255, 255, 255, 0.16);
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.25);
}

.sidebar-role-tag {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-xs);
  display: inline-block;
  align-self: flex-start;
}

.sidebar-role-tag.student-tag {
  background-color: rgba(16, 185, 129, 0.15);
  color: #34D399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.sidebar-role-tag.admin-tag {
  background-color: rgba(59, 130, 246, 0.15);
  color: #60A5FA;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.sidebar-nav {
  list-style: none;
  padding: 1rem 0.75rem;
  flex: 1;
  overflow-y: auto;
}

.nav-item-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm);
  color: #94A3B8;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: var(--transition);
  margin-bottom: 0.25rem;
}

.nav-item-link svg {
  width: 18px;
  height: 18px;
  stroke-width: 2;
  flex-shrink: 0;
}

.nav-item-link:hover {
  background-color: rgba(255, 255, 255, 0.06);
  color: #F8FAFC;
}

.nav-item-link.active {
  background-color: var(--brand-primary);
  color: #FFFFFF;
}

.sidebar-user {
  padding: 0.85rem 1.15rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  background: rgba(0, 0, 0, 0.2);
}

/* Portal Main Content Area */
.portal-main {
  flex: 1;
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background-color: var(--bg-main);
}

/* Portal Topbar */
.portal-topbar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  padding: 0.85rem 1.75rem;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-xs);
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.sidebar-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: #090D16;
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}

.sidebar-toggle-btn:hover {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.sidebar-toggle-btn svg {
  stroke-width: 2.2;
}

.topbar-brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: transform var(--transition);
}

.topbar-brand-link:hover .topbar-logo-img {
  transform: scale(1.03);
}

.topbar-logo-img {
  height: 42px;
  width: auto;
  max-width: 190px;
  object-fit: contain;
  transition: transform var(--transition);
}

.topbar-divider {
  width: 1px;
  height: 18px;
  background: var(--border-medium);
}

.topbar-badge {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-xs);
}

.topbar-badge.student-tag {
  background-color: rgba(16, 185, 129, 0.12);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.topbar-badge.admin-tag {
  background-color: rgba(59, 130, 246, 0.12);
  color: #2563EB;
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.portal-content {
  flex: 1;
  padding: 1.75rem 2rem;
  max-width: 1400px;
  width: 100%;
  margin: 0 auto;
}

@media (max-width: 768px) {
  .portal-topbar {
    padding: 0.75rem 1rem;
  }
  .portal-content {
    padding: 1.25rem 1rem;
  }
  .sidebar-toggle-text {
    display: none;
  }
}

/* ==========================================================================
   Cards & Surfaces
   ========================================================================== */

.card {
  background-color: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-xs);
  transition: var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-sm);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-subtle);
}

.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
}

/* Stat Cards */
.stat-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1.25rem;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.stat-label {
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-main);
  font-family: var(--font-mono);
  letter-spacing: -0.02em;
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge, .status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-full);
  font-size: 0.725rem;
  font-weight: 700;
  line-height: 1;
}

.badge-success, .badge-active, .badge-completed, .badge-available {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.badge-warning, .badge-pending, .badge-in_progress, .badge-in-progress {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.badge-danger, .badge-rejected, .badge-revoked {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.badge-info, .badge-scheduled {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

.badge-neutral, .badge-locked {
  background-color: #F1F5F9;
  color: #475569;
  border: 1px solid #CBD5E1;
}

/* ==========================================================================
   Tables
   ========================================================================== */

.table-responsive {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: #FFFFFF;
}

.table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.85rem;
}

.table th {
  background-color: #F8FAFC;
  color: var(--text-muted);
  font-size: 0.725rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--border-medium);
}

.table td {
  padding: 0.75rem 0.95rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
  vertical-align: middle;
}

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

.table tbody tr:hover {
  background-color: #F8FAFC;
}

/* ==========================================================================
   Alerts & Notifications
   ========================================================================== */

.alert {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.75rem 0.95rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  line-height: 1.45;
  margin-bottom: 1rem;
}

.alert-success {
  background-color: var(--success-bg);
  color: var(--success);
  border: 1px solid var(--success-border);
}

.alert-warning {
  background-color: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning-border);
}

.alert-danger {
  background-color: var(--danger-bg);
  color: var(--danger);
  border: 1px solid var(--danger-border);
}

.alert-info {
  background-color: var(--info-bg);
  color: var(--info);
  border: 1px solid var(--info-border);
}

/* ==========================================================================
   Hero & Landing Page Styles
   ========================================================================== */

.hero {
  padding: 4.5rem 0 3.5rem;
  text-align: center;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-50);
  border: 1px solid var(--brand-primary-200);
  color: var(--brand-primary);
  font-size: 0.775rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-main);
  max-width: 820px;
  margin: 0 auto 1rem;
  line-height: 1.15;
}

.hero-title-highlight {
  color: var(--brand-primary);
}

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--text-body);
  max-width: 640px;
  margin: 0 auto 1.75rem;
  line-height: 1.55;
}

.hero-ctas {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.plan-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-xs);
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.plan-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
}

.plan-card.highlighted {
  border: 2px solid var(--brand-primary);
  position: relative;
}

.plan-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  background: var(--primary-50);
  color: var(--brand-primary);
  border: 1px solid var(--brand-primary-200);
  margin-bottom: 0.75rem;
}

.plan-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.plan-price-box {
  margin: 1rem 0 1.25rem;
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
}

.plan-price {
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-main);
}

.plan-period {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.plan-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-bottom: 1.75rem;
  flex: 1;
}

.plan-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--text-body);
}

.feature-icon-check {
  color: var(--brand-primary);
  font-weight: bold;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background-color: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  margin-top: auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 900px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 550px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

.footer-col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-main);
  margin-bottom: 0.9rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-body);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--brand-primary);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8125rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 1rem;
}