:root {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  --bg-card: #131d33;
  --bg-card-hover: #182440;
  --border-subtle: #1e2d4d;
  --border-strong: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-gold: #f59e0b;
  --accent-gold-dark: #d97706;
  --accent-gold-light: #fef3c7;
  --accent-blue: #38bdf8;
  --accent-emerald: #10b981;
  --accent-rose: #f43f5e;
  --accent-purple: #a855f7;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-serif: "Georgia", "Cambria", "Times New Roman", serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px -1px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.6);
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: 0.95rem;
}

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* Header & Nav */
.header-top-bar {
  background-color: #060910;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  color: var(--text-muted);
  padding: 0.4rem 0;
}
.header-top-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-notice {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  padding: 0.15rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.7rem;
  font-weight: 600;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.main-nav {
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-seal {
  width: 2.75rem;
  height: 2.75rem;
  background: linear-gradient(135deg, #1e293b, #0f172a);
  border: 1.5px solid var(--accent-gold);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-weight: 800;
  font-size: 1.15rem;
  box-shadow: var(--shadow-sm);
}
.brand-text h1 {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}
.brand-text p {
  font-size: 0.7rem;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  list-style: none;
}
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.4rem 0.6rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.05);
}
.nav-link.active {
  color: var(--accent-gold);
  font-weight: 600;
}

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

.btn-portal-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.825rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.35);
  transition: var(--transition);
}
.btn-portal-toggle:hover {
  background: var(--accent-gold);
  color: #090d16;
}

.role-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
  border-radius: var(--radius-sm);
  background: #1e293b;
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
}
.role-pill:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
}

/* Mobile Nav Toggle */
.mobile-menu-btn {
  display: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  padding: 0.5rem;
}

/* Common Layout Components */
.main-content {
  flex: 1;
}

.section-hero {
  background: radial-gradient(circle at 50% 20%, #152238 0%, var(--bg-primary) 70%);
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border-subtle);
  text-align: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  color: var(--accent-gold);
  padding: 0.35rem 1rem;
  border-radius: 9999px;
  font-size: 0.775rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.hero-title {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.hero-title span {
  color: var(--accent-gold);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 2.25rem;
}
.hero-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-gold);
  color: #090d16;
  font-weight: 600;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.btn-primary:hover {
  background: var(--accent-gold-dark);
  color: #fff;
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #1e293b;
  color: var(--text-primary);
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  border: 1px solid var(--border-subtle);
  transition: var(--transition);
}
.btn-secondary:hover {
  background: #28374d;
  border-color: var(--border-strong);
}

/* Stats Ribbon */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  margin-top: 3rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  text-align: left;
}
.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Content Sections */
.py-section {
  padding: 4rem 0;
}
.section-header {
  margin-bottom: 2.5rem;
}
.section-header.center {
  text-align: center;
}
.section-kicker {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.section-title {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.25;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 680px;
  margin-top: 0.5rem;
}
.section-header.center .section-desc {
  margin-left: auto;
  margin-right: auto;
}

/* Feature & Hub Grids */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 1.75rem;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  transition: var(--transition);
}
.feature-card:hover {
  border-color: rgba(245, 158, 11, 0.4);
  transform: translateY(-2px);
  background: var(--bg-card-hover);
}
.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-sm);
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1.25rem;
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* Weekly Schedule Grid */
.schedule-table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow-x: auto;
}
.custom-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  text-align: left;
}
.custom-table th {
  background: #0d1527;
  padding: 0.9rem 1.2rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.725rem;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border-subtle);
}
.custom-table td {
  padding: 1rem 1.2rem;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
}
.custom-table tr:last-child td {
  border-bottom: none;
}
.custom-table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-danger {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.3);
}
.badge-info {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}
.badge-purple {
  background: rgba(168, 85, 247, 0.15);
  color: var(--accent-purple);
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* Forms */
.form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-md);
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text-secondary);
}
.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: #0c1424;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px rgba(245, 158, 11, 0.2);
}

/* Portal Shell */
.portal-shell {
  display: flex;
  min-height: calc(100vh - 4.25rem - 1.8rem);
  background: #080c14;
}
.portal-sidebar {
  width: 260px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-subtle);
  padding: 1.25rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  flex-shrink: 0;
}
.portal-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.9rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
  text-align: left;
  font-weight: 500;
}
.portal-tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}
.portal-tab-btn.active {
  background: rgba(245, 158, 11, 0.12);
  color: var(--accent-gold);
  font-weight: 600;
  border-left: 3px solid var(--accent-gold);
}
.portal-tab-icon {
  font-size: 1.1rem;
  width: 1.25rem;
  text-align: center;
}
.portal-body {
  flex: 1;
  padding: 2rem 2.5rem;
  overflow-y: auto;
}

/* Modals */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 1rem;
}
.modal-overlay.open {
  display: flex;
}
.modal-box {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  max-width: 640px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 2rem;
  position: relative;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}
.modal-title {
  font-size: 1.25rem;
  font-weight: 700;
}
.modal-close-btn {
  font-size: 1.5rem;
  color: var(--text-secondary);
  line-height: 1;
}
.modal-close-btn:hover {
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  background: #060910;
  border-top: 1px solid var(--border-subtle);
  padding: 3.5rem 0 2rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 2.5rem;
}
.footer-col h4 {
  color: var(--text-primary);
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer-links a:hover {
  color: var(--accent-gold);
}
.footer-bottom {
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.775rem;
  color: var(--text-muted);
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }
  .mobile-menu-btn {
    display: block;
  }
  .portal-shell {
    flex-direction: column;
  }
  .portal-sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    overflow-x: auto;
    flex-direction: row;
    padding: 0.5rem;
  }
  .portal-tab-btn {
    white-space: nowrap;
  }
  .portal-body {
    padding: 1.5rem 1rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}