/* admin/assets/css/admin.css - Sevgin Eğitim Kurumları Yönetim Paneli */

:root {
  --admin-primary: #0F2A4A;
  --admin-primary-dark: #09192C;
  --admin-accent: #2563EB;
  --admin-accent-hover: #1D4ED8;
  --admin-gold: #F59E0B;
  --admin-success: #10B981;
  --admin-danger: #EF4444;
  --admin-warning: #F97316;
  --admin-bg: #F1F5F9;
  --admin-card: #FFFFFF;
  --admin-border: #E2E8F0;
  --admin-text: #1E293B;
  --admin-muted: #64748B;
  --sidebar-width: 260px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Inter', -apple-system, sans-serif;
}

body {
  background: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  display: flex;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--admin-primary);
  font-weight: 700;
}

a {
  color: var(--admin-accent);
  text-decoration: none;
}

/* =========================================================================
   SIDEBAR
   ========================================================================= */
.admin-sidebar {
  width: var(--sidebar-width);
  background: var(--admin-primary-dark);
  color: #CBD5E1;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-brand img {
  height: 38px;
}

.sidebar-menu {
  list-style: none;
  padding: 20px 12px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.sidebar-label {
  font-size: 11px;
  font-weight: 700;
  color: #64748B;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 14px 6px;
}

.sidebar-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  color: #94A3B8;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.sidebar-item a:hover,
.sidebar-item.active a {
  background: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
}

.sidebar-item.active a {
  background: var(--admin-accent);
  color: #FFFFFF;
}

.sidebar-badge {
  margin-left: auto;
  background: var(--admin-gold);
  color: var(--admin-primary-dark);
  font-size: 11px;
  font-weight: 800;
  padding: 2px 7px;
  border-radius: 999px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* =========================================================================
   MAIN CONTENT AREA
   ========================================================================= */
.admin-main {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.admin-topbar {
  background: #FFFFFF;
  border-bottom: 1px solid var(--admin-border);
  padding: 16px 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 90;
}

.admin-topbar-title {
  font-size: 20px;
  color: var(--admin-primary);
}

.admin-topbar-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.admin-content {
  padding: 30px;
  flex: 1;
}

/* =========================================================================
   DASHBOARD STATS CARDS
   ========================================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.stat-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}

.stat-value {
  font-family: 'Outfit', sans-serif;
  font-size: 26px;
  font-weight: 800;
  color: var(--admin-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: 13px;
  color: var(--admin-muted);
  margin-top: 2px;
}

/* =========================================================================
   TABLES & CARDS
   ========================================================================= */
.admin-card {
  background: #FFFFFF;
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.admin-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--admin-border);
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.admin-table th {
  text-align: left;
  padding: 12px 14px;
  background: #F8FAFC;
  color: var(--admin-muted);
  font-weight: 700;
  border-bottom: 2px solid var(--admin-border);
}

.admin-table td {
  padding: 14px;
  border-bottom: 1px solid var(--admin-border);
  vertical-align: middle;
}

.admin-table tr:hover td {
  background: #F8FAFC;
}

/* Badges */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 700;
}

.badge-success { background: #D1FAE5; color: #065F46; }
.badge-warning { background: #FEF3C7; color: #92400E; }
.badge-danger { background: #FEE2E2; color: #991B1B; }
.badge-info { background: #EFF6FF; color: #1E40AF; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary { background: var(--admin-accent); color: #FFFFFF; }
.btn-primary:hover { background: var(--admin-accent-hover); }
.btn-gold { background: var(--admin-gold); color: var(--admin-primary-dark); font-weight: 700; }
.btn-gold:hover { background: #D97706; color: #FFFFFF; }
.btn-success { background: var(--admin-success); color: #FFFFFF; }
.btn-danger { background: var(--admin-danger); color: #FFFFFF; }
.btn-outline { background: transparent; border: 1px solid var(--admin-border); color: var(--admin-text); }
.btn-outline:hover { background: #F8FAFC; }
.btn-sm { padding: 6px 10px; font-size: 12px; }

/* Forms */
.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-grid-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 18px;
}

.form-label {
  display: block;
  font-size: 13.5px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--admin-text);
}

.form-control {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  font-size: 14px;
  outline: none;
  background: #FFFFFF;
}

.form-control:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

/* Alert */
.alert {
  padding: 14px 18px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 14px;
}
.alert-success { background: #D1FAE5; color: #065F46; border: 1px solid #A7F3D0; }
.alert-danger { background: #FEE2E2; color: #991B1B; border: 1px solid #FECACA; }

/* Responsive */
@media (max-width: 1024px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .admin-sidebar { display: none; }
  .admin-main { margin-left: 0; }
  .stats-grid { grid-template-columns: 1fr; }
  .form-grid-2 { grid-template-columns: 1fr; }
}