/* 
  Student Life Manager - Modern Clean Stylesheet
  Supports Dark Mode (Default) & Light Mode, Glassmorphism, Responsive Grid & Print styles
*/

:root {
  --bg-main: #0b0f19;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-hover: rgba(31, 41, 55, 0.9);
  --border-color: rgba(55, 65, 81, 0.6);
  --border-focus: #3b82f6;
  --text-main: #f3f4f6;
  --text-muted: #9ca3af;
  --text-dim: #6b7280;
  
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --purple: #8b5cf6;
  --pink: #ec4899;

  --sidebar-w: 260px;
  --bottom-bar-h: 68px;
}

.light-theme {
  --bg-main: #f8fafc;
  --bg-surface: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-focus: #2563eb;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #94a3b8;
}

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-main);
  color: var(--text-main);
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(100, 116, 139, 0.4);
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(100, 116, 139, 0.7);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fadeIn 0.25s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 0.375rem;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1;
}
.badge-danger {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.badge-warning {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.badge-info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.badge-success {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Nav Item States */
.active-nav {
  background: rgba(59, 130, 246, 0.15) !important;
  color: #60a5fa !important;
  border-color: rgba(59, 130, 246, 0.4) !important;
  font-weight: 600;
}
.inactive-nav {
  color: #94a3b8;
}
.inactive-nav:hover {
  background: rgba(51, 65, 85, 0.5);
  color: #f1f5f9;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-width: 380px;
  width: calc(100% - 2.5rem);
  pointer-events: none;
}
.toast-item {
  pointer-events: auto;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(51, 65, 85, 0.8);
  color: #f8fafc;
}
.toast-success {
  border-left: 4px solid #10b981;
}
.toast-warning {
  border-left: 4px solid #f59e0b;
}
.toast-danger {
  border-left: 4px solid #ef4444;
}
.toast-info {
  border-left: 4px solid #3b82f6;
}

/* Modal Overlay */
.modal-overlay {
  backdrop-filter: blur(8px);
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 50;
}

/* Print Stylesheet */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  aside, #bottom-nav, #quick-action-fab, #toast-container, header, .no-print, button, .modal-overlay {
    display: none !important;
  }
  main {
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
  }
  .schedule-timeline-wrapper {
    background: #ffffff !important;
    border: 1px solid #cccccc !important;
    color: #000000 !important;
  }
}