/* SIH 2026 Judge Analytics Portal - Full Page Day/Night Theme System */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-main: #090d16;
  --bg-top-banner: #ffffff;
  --bg-header: rgba(15, 23, 42, 0.95);
  --bg-card: rgba(15, 23, 42, 0.85);
  --bg-card-sub: rgba(30, 41, 59, 0.6);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-input: #0f172a;
  --border-color: rgba(51, 65, 85, 0.7);
  --border-sub-color: rgba(51, 65, 85, 0.5);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-title: #ffffff;
  --accent-indigo: #6366f1;
  --accent-cyan: #06b6d4;
  --accent-amber: #f59e0b;
  --accent-emerald: #10b981;
}

/* Full Page Light Theme (Day Mode) */
html.light {
  --bg-main: #f8fafc;
  --bg-top-banner: #ffffff;
  --bg-header: #ffffff;
  --bg-card: #ffffff;
  --bg-card-sub: #f8fafc;
  --bg-card-hover: #f1f5f9;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  --border-sub-color: #cbd5e1;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-title: #0f172a;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Dynamic Page Elements */
.theme-header {
  background-color: var(--bg-header);
  border-color: var(--border-color);
  transition: background-color 0.3s ease, border-color 0.3s ease;
}

.theme-card {
  background-color: var(--bg-card-sub);
  border: 1px solid var(--border-sub-color);
  border-radius: 14px;
  color: var(--text-primary);
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

html.light .theme-card {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.02);
}

.theme-card:hover {
  background-color: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-1px);
}

.theme-input {
  background-color: var(--bg-input);
  border-color: var(--border-color);
  color: var(--text-primary);
}

/* Text Overrides */
.text-main-title {
  color: var(--text-title);
}

.text-sub-title {
  color: var(--text-secondary);
}

/* Glassmorphism Cards */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.04), 0 2px 6px -1px rgba(0, 0, 0, 0.02);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html.light .glass-card {
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.03), 0 1px 3px rgba(0, 0, 0, 0.02);
}

/* Badges */
.badge-hardware {
  background: rgba(245, 158, 11, 0.15);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

html.dark .badge-hardware {
  color: #fbbf24;
}

.badge-software {
  background: rgba(6, 182, 212, 0.15);
  color: #0284c7;
  border: 1px solid rgba(6, 182, 212, 0.3);
}

html.dark .badge-software {
  color: #38bdf8;
}

.badge-both {
  background: rgba(168, 85, 247, 0.15);
  color: #9333ea;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

html.dark .badge-both {
  color: #c084fc;
}

.badge-iic {
  background: rgba(16, 185, 129, 0.15);
  color: #059669;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

html.dark .badge-iic {
  color: #34d399;
}

.badge-convener {
  background: rgba(147, 51, 234, 0.15);
  color: #7e22ce;
  border: 1px solid rgba(147, 51, 234, 0.3);
}

html.dark .badge-convener {
  background: rgba(147, 51, 234, 0.2);
  color: #c084fc;
}

.badge-spoc {
  background: rgba(245, 158, 11, 0.15);
  color: #b45309;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

html.dark .badge-spoc {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
}

/* Navigation Tabs */
.tab-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(99, 102, 241, 0.1);
}

.tab-btn.active {
  color: #4f46e5;
  background: rgba(99, 102, 241, 0.15);
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
}

html.dark .tab-btn.active {
  color: #818cf8;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 3px;
}

/* Table styling */
.custom-table th {
  background: var(--bg-card);
  color: var(--text-secondary);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
}

.custom-table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-color);
}

.custom-table tr:hover td {
  background: var(--bg-card-hover);
}

/* Modal Backdrop */
.modal-backdrop {
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
}

/* Mobile Specific Tweaks */
@media (max-width: 640px) {
  .tab-btn {
    padding: 6px 12px;
    font-size: 0.75rem;
  }
  
  .glass-card {
    border-radius: 12px;
    padding: 0.875rem;
  }

  .custom-table th, .custom-table td {
    padding: 10px 12px;
    font-size: 0.75rem;
  }
}