/* ==========================================================
   T.S.C. KALOTSAV 2026 – PROFESSIONAL ADMIN THEME
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --sidebar-bg: #1B2A4A;
  --sidebar-text: #E2E8F0;
  --sidebar-hover: #2D3E5F;
  --sidebar-active: #2D3E5F;
  --accent: #C9A227;
  --accent-light: #E8C766;
  --bg-main: #F4F6F9;
  --card-bg: #FFFFFF;
  --text-dark: #2D3436;
  --text-muted: #6C757D;
  --border: #E9ECEF;
  --shadow: 0 4px 12px rgba(0,0,0,0.05);
  --radius: 10px;
  --sidebar-width: 260px;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-main);
  color: var(--text-dark);
  line-height: 1.6;
}

/* ---- SIDEBAR ---- */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  padding: 0;
  overflow-y: auto;
  transition: all 0.3s ease;
  box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.sidebar-brand {
  padding: 25px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  text-align: center;
  background: rgba(0,0,0,0.1);
}

.sidebar-brand h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-light);
  margin: 0;
  letter-spacing: 1px;
}

.sidebar-brand small {
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  display: block;
  margin-top: 5px;
}

.sidebar-nav {
  list-style: none;
  padding: 20px 0;
  margin: 0;
}

.sidebar-nav li a {
  display: flex;
  align-items: center;
  padding: 12px 20px;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 0.95rem;
  border-left: 3px solid transparent;
  transition: all 0.2s ease;
  gap: 12px;
}

.sidebar-nav li a i {
  width: 20px;
  text-align: center;
  color: var(--accent-light);
}

.sidebar-nav li a:hover,
.sidebar-nav li a.active {
  background: var(--sidebar-hover);
  border-left-color: var(--accent);
  color: #FFFFFF;
}

.sidebar-nav li.nav-header {
  padding: 15px 20px 8px;
  font-size: 0.7rem;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  letter-spacing: 1.5px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-top: 10px;
}

/* ---- MAIN CONTENT ---- */
.main-content {
  margin-left: var(--sidebar-width);
  padding: 30px;
  min-height: 100vh;
  background: var(--bg-main);
}

.dashboard-header {
  background: var(--card-bg);
  padding: 20px 30px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  margin-bottom: 25px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
}

.dashboard-header h2 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-dark);
  margin: 0;
}

/* ---- CARDS ---- */
.glass {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 25px;
  margin-bottom: 20px;
}

.glass h5 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 20px;
  border-bottom: 2px solid var(--accent-light);
  padding-bottom: 10px;
  display: inline-block;
}

/* ---- STAT CARDS ---- */
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  text-align: center;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.stat-card i {
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 10px;
}

.stat-card h6 {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-top: 5px;
}

/* ---- BUTTONS ---- */
.btn-gradient {
  background: linear-gradient(135deg, var(--accent), #A1801D);
  color: #FFFFFF !important;
  border: none;
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 4px 10px rgba(201,162,39,0.3);
}

.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 15px rgba(201,162,39,0.4);
}

.btn-outline-glass {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}

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

/* ---- TABLES ---- */
.table-responsive { overflow-x: auto; }

.table-glass {
  width: 100%;
  border-collapse: collapse;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-glass th {
  background: #F1F3F5;
  color: var(--text-dark);
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 15px 15px;
  text-align: left;
}

.table-glass td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--text-dark);
}

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

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

/* ---- FORMS ---- */
.input-glass {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: #FFFFFF;
  transition: border 0.2s, box-shadow 0.2s;
}

.input-glass:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(201,162,39,0.1);
}

.form-select.input-glass {
  appearance: none;
  background: #FFFFFF;
}

/* ---- CHECKBOX GROUPS ---- */
.form-check {
  margin-bottom: 5px;
}

.form-check-label {
  font-size: 0.9rem;
  color: var(--text-dark);
}

/* ---- ALERTS ---- */
.alert {
  border-radius: 8px;
  padding: 12px 20px;
  margin-bottom: 20px;
}

.alert-success { background: #D4EDDA; color: #155724; border-left: 4px solid #28A745; }
.alert-danger { background: #F8D7DA; color: #721C24; border-left: 4px solid #DC3545; }
.alert-warning { background: #FFF3CD; color: #856404; border-left: 4px solid #FFC107; }

/* ---- BADGES ---- */
.badge { padding: 5px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.badge-group { background: #C9A227; color: #FFFFFF; }
.badge-individual { background: #6C757D; color: #FFFFFF; }
.badge-primary { background: var(--accent); color: #FFF; }
.badge-secondary { background: #6C757D; color: #FFF; }
.badge-success { background: #28A745; color: #FFF; }
.badge-warning { background: #FFC107; color: #212529; }
.badge-info { background: #17A2B8; color: #FFF; }
.badge-danger { background: #DC3545; color: #FFF; }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #F1F1F1; }
::-webkit-scrollbar-thumb { background: #C9A227; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #A1801D; }

/* ---- RESPONSIVE ---- */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-brand h3, .sidebar-nav li a span, .sidebar-nav li.nav-header { display: none; }
  .sidebar-nav li a { padding: 15px; justify-content: center; }
  .sidebar-nav li a i { margin: 0; }
  .main-content { margin-left: 60px; padding: 15px; }
  .dashboard-header h2 { font-size: 1.5rem; }
}