/* ==============================
   Events.SUSL — Modern UI Styles
   ============================== */

:root {
  --susl-navy: #0B1E3D;
  --susl-blue: #1A56DB;
  --susl-light-blue: #3F83F8;
  --susl-green: #057A55;
  --susl-red: #E02424;
  --susl-amber: #F59E0B;
  --susl-gray-50: #F9FAFB;
  --susl-gray-100: #F3F4F6;
  --susl-gray-200: #E5E7EB;
  --susl-gray-600: #6B7280;
  --susl-gray-800: #1F2937;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);
  --shadow-lg: 0 10px 25px rgba(0,0,0,.1);
  --transition: 0.2s ease;
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--susl-gray-50);
  color: var(--susl-gray-800);
  line-height: 1.6;
}

/* ===== NAVBAR ===== */
.navbar {
  background: var(--susl-navy) !important;
  padding: 12px 0;
  box-shadow: 0 2px 8px rgba(0,0,0,.12);
}
.navbar-brand {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff !important;
}
.navbar-brand i { color: var(--susl-light-blue); }
.navbar .nav-link {
  color: rgba(255,255,255,.8) !important;
  font-weight: 500;
  font-size: 0.9rem;
  padding: 6px 14px !important;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.navbar .nav-link:hover { color: #fff !important; background: rgba(255,255,255,.08); }
.navbar .btn-outline-light {
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
}

/* ===== HERO SLIDESHOW ===== */
.hero-section {
  position: relative;
  min-height: 500px;
  overflow: hidden;
  background: #060e1f; /* fallback */
}

.hero-slideshow {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
  z-index: 0;
}
.hero-slide.active {
  opacity: 1;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(6,14,31,0.92) 0%, rgba(11,30,61,0.75) 50%, rgba(26,58,107,0.6) 100%);
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  min-height: 500px;
  display: flex;
  align-items: center;
}
.hero-content h1 { font-size: 3rem; font-weight: 800; letter-spacing: -1px; }
.hero-content .lead { font-size: 1.15rem; opacity: 0.85; max-width: 600px; }
.hero-content .btn {
  border-radius: var(--radius-sm);
  padding: 12px 28px;
  font-weight: 600;
  font-size: 0.95rem;
}
.hero-content .btn-light { background: #fff; color: var(--susl-navy); }
.hero-content .btn-outline-light { border: 2px solid rgba(255,255,255,.5); }

/* Dot indicators */
.hero-dots {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 4;
}
.hero-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,.35);
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}
.hero-dot.active {
  background: #fff;
  transform: scale(1.3);
}
.hero-dot:hover {
  background: rgba(255,255,255,.7);
}

@media (max-width: 768px) {
  .hero-section, .hero-content { min-height: 380px; }
  .hero-content h1 { font-size: 2rem; }
}

/* ===== STATS BAR ===== */
.stats-bar {
  background: #fff;
  border-bottom: 1px solid var(--susl-gray-200);
}
.stats-item { padding: 18px 12px; text-align: center; }
.stats-item h3 { font-size: 1.8rem; font-weight: 800; color: var(--susl-blue); margin: 0; }
.stats-item small { color: var(--susl-gray-600); font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }

/* ===== SECTION HEADERS ===== */
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--susl-navy);
  margin-bottom: 0.5rem;
}
.section-subtitle {
  color: var(--susl-gray-600);
  font-size: 1rem;
  max-width: 500px;
}

/* ===== EVENT CARDS ===== */
.event-card {
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.event-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.event-card .card-img-top {
  height: 180px;
  object-fit: cover;
}
.event-card .card-body { padding: 1.25rem; }
.event-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--susl-navy);
}
.event-card .badge {
  font-size: 0.7rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 20px;
}
.badge-available { background: #DEF7EC; color: var(--susl-green); }
.badge-full { background: #FDE8E8; color: var(--susl-red); }
.badge-category { background: #E1EFFE; color: var(--susl-blue); }
.event-card .text-muted { font-size: 0.82rem; }

/* ===== IMAGE CARDS (Featured Events) ===== */
.featured-card {
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  position: relative;
}
.featured-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.featured-card img { height: 220px; object-fit: cover; width: 100%; }
.featured-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,.7));
  padding: 24px 20px 16px;
  color: #fff;
}

/* ===== HOW IT WORKS ===== */
.step-card {
  text-align: center;
  padding: 30px 20px;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}
.step-card:hover { box-shadow: var(--shadow-md); }
.step-icon {
  width: 64px; height: 64px;
  background: #E1EFFE;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.6rem;
  color: var(--susl-blue);
}

/* ===== ADMIN STATS CARDS ===== */
.stat-card {
  border: none;
  border-radius: var(--radius);
  padding: 20px;
  color: #fff;
  transition: transform var(--transition);
}
.stat-card:hover { transform: translateY(-2px); }
.stat-card h3 { font-size: 2rem; font-weight: 800; margin: 0; }
.stat-card small { opacity: 0.8; font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.bg-navy { background: var(--susl-navy); }
.bg-green { background: var(--susl-green); }
.bg-blue { background: var(--susl-blue); }
.bg-amber { background: var(--susl-amber); }
.bg-red { background: var(--susl-red); }

/* ===== TABLES ===== */
.table-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.table-card .table { margin: 0; }
.table thead th {
  background: var(--susl-navy);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 12px 16px;
  border: none;
}
.table tbody td {
  padding: 12px 16px;
  vertical-align: middle;
  font-size: 0.88rem;
  border-color: var(--susl-gray-100);
}
.table tbody tr:hover { background: var(--susl-gray-50); }

/* ===== FORMS ===== */
.form-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.form-control, .form-select {
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--susl-gray-200);
  padding: 10px 14px;
  font-size: 0.9rem;
  transition: var(--transition);
}
.form-control:focus, .form-select:focus {
  border-color: var(--susl-blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}

/* ===== BUTTONS ===== */
.btn {
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
}
.btn-primary { background: var(--susl-blue); border-color: var(--susl-blue); }
.btn-primary:hover { background: #1a4db8; border-color: #1a4db8; }
.btn-success { background: var(--susl-green); border-color: var(--susl-green); }
.btn-success:hover { background: #046c44; border-color: #046c44; }
.btn-outline-primary { color: var(--susl-blue); border-color: var(--susl-blue); }
.btn-outline-primary:hover { background: var(--susl-blue); color: #fff; }

/* ===== ALERTS ===== */
.alert {
  border-radius: var(--radius-sm);
  border: none;
  font-size: 0.9rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--susl-navy);
  color: rgba(255,255,255,.7);
  font-size: 0.85rem;
}
.footer a { color: rgba(255,255,255,.6); text-decoration: none; transition: var(--transition); }
.footer a:hover { color: #fff; }

/* ===== ABOUT SECTION ===== */
.about-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.about-card i { color: var(--susl-blue); font-size: 1.5rem; }

/* ===== CONFIRMATION PAGE ===== */
.qr-display {
  background: #fff;
  border: 2px dashed var(--susl-gray-200);
  border-radius: var(--radius);
  padding: 24px;
  display: inline-block;
}
.qr-display img { max-width: 200px; }

/* ===== CHART CARDS ===== */
.chart-card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp 0.5s ease forwards; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--susl-gray-100); }
::-webkit-scrollbar-thumb { background: var(--susl-gray-200); border-radius: 3px; }

/* ===== REGISTRATIONS PAGE: SUMMARY CARDS ===== */
.summary-card {
  border-radius: var(--radius);
  padding: 16px 18px;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 14px;
  transition: transform var(--transition);
}
.summary-card:hover { transform: translateY(-2px); }
.summary-card h4 { font-size: 1.6rem; font-weight: 800; margin: 0; line-height: 1.1; }
.summary-card small { opacity: 0.85; font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.summary-card .summary-icon {
  width: 42px; height: 42px;
  background: rgba(255,255,255,.18);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center; justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* ===== CATEGORY BADGE CARDS ===== */
.cat-badge-card {
  background: var(--susl-gray-50);
  border: 1px solid var(--susl-gray-200);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--transition);
}
.cat-badge-card:hover { border-color: var(--susl-blue); background: #fff; }
.cat-badge-card .cat-name { font-size: 0.82rem; font-weight: 600; color: var(--susl-gray-800); }
.cat-badge-card .cat-count { font-size: 1rem; font-weight: 800; color: var(--susl-blue); }

/* ===== FILTER BAR ===== */
.filter-bar {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.filter-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--susl-gray-600);
  margin-bottom: 3px;
  display: block;
}

/* ===== PAGINATION ===== */
.pagination .page-link {
  border-radius: var(--radius-sm);
  margin: 0 1px;
  border: 1px solid var(--susl-gray-200);
  color: var(--susl-gray-800);
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 11px;
}
.pagination .page-item.active .page-link {
  background: var(--susl-blue);
  border-color: var(--susl-blue);
  color: #fff;
}
.pagination .page-item.disabled .page-link {
  color: var(--susl-gray-200);
  pointer-events: none;
}

/* ===== TOGGLE ICON ROTATION ===== */
.toggle-icon {
  transition: transform 0.2s;
}
[aria-expanded="true"] .toggle-icon,
.collapse.show + .toggle-icon {
  transform: rotate(180deg);
}

/* ===== PUBLIC EVENTS PAGE ===== */

/* Filter pills */
.filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: center;
}
.filter-pill {
  border-radius: 20px;
  padding: 6px 16px;
  font-size: 0.82rem;
  font-weight: 500;
  border: 1.5px solid var(--susl-gray-200);
  background: #fff;
  color: var(--susl-gray-600);
  text-decoration: none;
  transition: var(--transition);
  cursor: pointer;
}
.filter-pill:hover {
  border-color: var(--susl-blue);
  color: var(--susl-blue);
  background: #E1EFFE;
}
.filter-pill.active {
  background: var(--susl-blue);
  color: #fff;
  border-color: var(--susl-blue);
}

/* Search box */
.search-box .form-control {
  border-radius: 24px;
  padding: 10px 44px 10px 42px;
  border: 2px solid var(--susl-gray-200);
  font-size: 0.9rem;
  transition: var(--transition);
}
.search-box .form-control:focus {
  border-color: var(--susl-blue);
  box-shadow: 0 0 0 3px rgba(26,86,219,.12);
}
.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--susl-gray-600);
  font-size: 1rem;
  z-index: 5;
  pointer-events: none;
}
.search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--susl-gray-400);
  text-decoration: none;
  transition: var(--transition);
  z-index: 5;
}
.search-clear:hover { color: var(--susl-red); }

/* Registration status badge overlay */
.reg-status-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: 20px;
  z-index: 2;
  backdrop-filter: blur(4px);
}
.reg-open {
  background: rgba(5, 122, 85, 0.9);
  color: #fff;
}
.reg-not-open {
  background: rgba(245, 158, 11, 0.9);
  color: #fff;
}
.reg-closed {
  background: rgba(107, 114, 128, 0.9);
  color: #fff;
}
.reg-full {
  background: rgba(224, 36, 36, 0.9);
  color: #fff;
}

/* Registration progress bar */
.reg-progress .progress {
  background: var(--susl-gray-100);
  border-radius: 10px;
}
.reg-progress .progress-bar {
  border-radius: 10px;
  transition: width 0.4s ease;
}

/* ===== FEEDBACK CARDS ===== */
.feedback-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--susl-amber);
  transition: var(--transition);
  height: 100%;
}
.feedback-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.feedback-card-detailed {
  background: #fff;
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
  border-left: 4px solid var(--susl-blue);
}
.feedback-stars i {
  font-size: 0.85rem;
}
.feedback-comment {
  font-style: italic;
  color: var(--susl-gray-800);
  font-size: 0.9rem;
  line-height: 1.5;
}

.feedback-admin-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  height: 100%;
}
.feedback-admin-card:hover {
  box-shadow: var(--shadow-md);
}

/* ===== GALLERY ===== */
.gallery-item {
  border-radius: 12px;
  overflow: hidden;
  transition: transform var(--transition);
}
.gallery-item:hover {
  transform: scale(1.03);
}

.gallery-admin-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 8px;
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}
.gallery-admin-card:hover {
  box-shadow: var(--shadow-md);
}