/* ========================================
   AkıllıBilet - Admin Panel CSS
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@300;400;500;600&display=swap');

:root {
  --admin-sidebar-w: 260px;
  --admin-header-h: 64px;
  --primary: #2563EB;
  --primary-light: #EFF6FF;
  --accent: #10B981;
  --sidebar-bg: #0F172A;
  --sidebar-text: #94A3B8;
  --sidebar-hover: rgba(255,255,255,0.06);
  --sidebar-active: rgba(37,99,235,0.2);
  --bg: #F8FAFF;
  --white: #FFFFFF;
  --gray-50: #F9FAFB;
  --gray-100: #F3F4F6;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  --red-500: #EF4444;
  --orange-500: #F59E0B;
  --green-500: #10B981;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --transition: all 0.2s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body { font-family: var(--font-body); background: var(--bg); color: var(--gray-700); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { cursor: pointer; border: none; font-family: inherit; }
img { max-width: 100%; display: block; }
h1,h2,h3,h4,h5 { font-family: var(--font-heading); color: var(--gray-900); }

/* ---- LAYOUT ---- */
.admin-layout { display: flex; min-height: 100vh; }

/* ---- SIDEBAR ---- */
.admin-sidebar {
  width: var(--admin-sidebar-w);
  background: var(--sidebar-bg);
  position: fixed;
  top: 0; left: 0; bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 200;
  transition: transform 0.3s ease;
  overflow: hidden;
}

.sidebar-logo {
  padding: 22px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  gap: 12px;
}
.sidebar-logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, #2563EB, #10B981);
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
}
.sidebar-logo-text { font-family: var(--font-heading); font-size: 16px; font-weight: 700; color: white; line-height: 1.2; }
.sidebar-logo-text small { display: block; font-size: 10px; font-weight: 400; color: var(--sidebar-text); margin-top: 1px; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 12px 0; }
.sidebar-section { padding: 8px 16px 4px; font-size: 10px; font-weight: 700; color: #475569; text-transform: uppercase; letter-spacing: 0.8px; }

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  margin: 2px 8px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}
.sidebar-link:hover { background: var(--sidebar-hover); color: white; }
.sidebar-link.active { background: var(--sidebar-active); color: var(--primary); color: #60A5FA; }
.sidebar-link .icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-link .badge-count {
  margin-left: auto;
  background: var(--red-500);
  color: white;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 999px;
  min-width: 18px;
  text-align: center;
}

.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,0.06); }
.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.04);
}
.user-avatar {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, #2563EB, #10B981);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white; font-weight: 700; font-size: 13px;
  flex-shrink: 0;
}
.user-info { flex: 1; min-width: 0; }
.user-name { font-size: 13px; font-weight: 600; color: white; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { font-size: 11px; color: var(--sidebar-text); }
.logout-btn { color: var(--sidebar-text); font-size: 16px; transition: var(--transition); }
.logout-btn:hover { color: var(--red-500); }

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

/* ---- HEADER ---- */
.admin-header {
  background: var(--white);
  border-bottom: 1px solid var(--gray-100);
  height: var(--admin-header-h);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  padding: 0 28px;
  gap: 16px;
}
.header-title { font-family: var(--font-heading); font-size: 20px; font-weight: 700; color: var(--gray-900); flex: 1; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-btn {
  display: flex; align-items: center; justify-content: center;
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  background: var(--gray-50);
  color: var(--gray-500);
  font-size: 16px;
  transition: var(--transition);
  position: relative;
}
.header-btn:hover { background: var(--primary-light); color: var(--primary); }
.header-btn .notification-dot {
  position: absolute;
  top: 4px; right: 4px;
  width: 8px; height: 8px;
  background: var(--red-500);
  border-radius: 50%;
  border: 2px solid white;
}
.sidebar-toggle { display: none; background: none; padding: 8px; color: var(--gray-700); }

/* ---- PAGE CONTENT ---- */
.admin-content { flex: 1; padding: 28px; }

/* ---- CARDS ---- */
.card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  padding: 18px 24px;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.card-header h3 { font-size: 16px; font-weight: 700; }
.card-body { padding: 24px; }

/* ---- STAT CARDS ---- */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 28px; }
.stat-card {
  background: var(--white);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
}
.stat-card:hover { box-shadow: var(--shadow-md); }
.stat-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-icon.blue { background: #EFF6FF; }
.stat-icon.green { background: #ECFDF5; }
.stat-icon.orange { background: #FFF7ED; }
.stat-icon.purple { background: #F5F3FF; }
.stat-info h3 { font-family: var(--font-heading); font-size: 28px; font-weight: 800; color: var(--gray-900); line-height: 1; margin-bottom: 4px; }
.stat-info p { font-size: 13px; color: var(--gray-500); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600;
  font-family: var(--font-heading);
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: #1D4ED8; transform: translateY(-1px); }
.btn-success { background: var(--accent); color: white; }
.btn-success:hover { background: #059669; }
.btn-danger { background: var(--red-500); color: white; }
.btn-danger:hover { background: #DC2626; }
.btn-outline { background: transparent; color: var(--primary); border: 1.5px solid var(--gray-200); }
.btn-outline:hover { background: var(--primary-light); border-color: var(--primary); }
.btn-ghost { background: var(--gray-50); color: var(--gray-700); }
.btn-ghost:hover { background: var(--gray-100); }
.btn-sm { padding: 7px 14px; font-size: 12px; }
.btn-xs { padding: 5px 10px; font-size: 11px; }

/* ---- TABLE ---- */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead tr { border-bottom: 1px solid var(--gray-100); }
th { padding: 12px 16px; text-align: left; font-size: 11px; font-weight: 700; color: var(--gray-500); text-transform: uppercase; letter-spacing: 0.6px; }
td { padding: 14px 16px; font-size: 14px; color: var(--gray-700); border-bottom: 1px solid var(--gray-50); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--gray-50); }

/* ---- BADGES / STATUS ---- */
.status-badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 4px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600;
}
.status-active, .status-valid { background: #ECFDF5; color: #059669; }
.status-inactive { background: var(--gray-100); color: var(--gray-500); }
.status-used { background: #EFF6FF; color: #2563EB; }
.status-cancelled { background: #FEF2F2; color: #DC2626; }
.status-pending { background: #FFF7ED; color: #D97706; }
.status-read { background: var(--gray-100); color: var(--gray-500); }
.status-unread { background: #EFF6FF; color: var(--primary); }

/* ---- FORMS ---- */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--gray-700); }
.form-control {
  padding: 11px 14px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  font-size: 14px; font-family: var(--font-body);
  color: var(--gray-800); background: var(--gray-50);
  transition: var(--transition); outline: none; width: 100%;
}
.form-control:focus { border-color: var(--primary); background: white; box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.form-control.textarea { min-height: 100px; resize: vertical; }
.form-hint { font-size: 12px; color: var(--gray-400); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* ---- ALERTS ---- */
.alert {
  padding: 13px 18px; border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 20px;
}
.alert-success { background: #ECFDF5; color: #059669; border: 1px solid rgba(16,185,129,0.2); }
.alert-error { background: #FEF2F2; color: #DC2626; border: 1px solid rgba(220,38,38,0.2); }
.alert-info { background: #EFF6FF; color: #2563EB; border: 1px solid #DBEAFE; }
.alert-warning { background: #FFF7ED; color: #D97706; border: 1px solid rgba(217,119,6,0.2); }

/* ---- BREADCRUMB ---- */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--gray-500); margin-bottom: 20px; }
.breadcrumb a { color: var(--primary); font-weight: 500; }
.breadcrumb span { color: var(--gray-300); }

/* ---- PAGINATION ---- */
.pagination { display: flex; align-items: center; gap: 6px; padding: 16px 0; }
.page-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 600;
  background: var(--gray-50); color: var(--gray-600);
  transition: var(--transition);
}
.page-btn:hover { background: var(--primary-light); color: var(--primary); }
.page-btn.active { background: var(--primary); color: white; }

/* ---- SEARCH / FILTER BAR ---- */
.filter-bar {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--gray-100);
  background: var(--gray-50);
  flex-wrap: wrap;
}
.search-input {
  display: flex; align-items: center; gap: 10px;
  background: white;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  flex: 1; min-width: 200px;
}
.search-input input { border: none; outline: none; font-size: 14px; font-family: var(--font-body); color: var(--gray-800); flex: 1; background: transparent; }
.search-icon { color: var(--gray-400); font-size: 14px; }

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
  backdrop-filter: blur(4px);
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s;
}
.modal-overlay.open { opacity: 1; pointer-events: auto; }
.modal {
  background: white;
  border-radius: var(--radius-lg);
  width: 100%; max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.3s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--gray-100); display: flex; align-items: center; justify-content: space-between; }
.modal-header h3 { font-size: 18px; font-weight: 700; }
.modal-close { font-size: 20px; color: var(--gray-400); background: none; transition: var(--transition); }
.modal-close:hover { color: var(--gray-700); }
.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-100); display: flex; justify-content: flex-end; gap: 10px; }

/* ---- TOGGLE ---- */
.toggle-wrapper { display: flex; align-items: center; gap: 10px; }
.toggle { position: relative; width: 40px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-track {
  position: absolute; inset: 0;
  background: var(--gray-300);
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  left: 2px; top: 2px;
  width: 18px; height: 18px;
  background: white;
  border-radius: 50%;
  transition: transform 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}
.toggle input:checked + .toggle-track { background: var(--primary); }
.toggle input:checked + .toggle-track::after { transform: translateX(18px); }

/* ---- SIDEBAR OVERLAY (mobile) ---- */
.sidebar-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 150; }

/* ---- DRAG SORT ---- */
.sortable-item { cursor: grab; }
.sortable-item:active { cursor: grabbing; opacity: 0.7; }
.drag-handle { color: var(--gray-300); cursor: grab; font-size: 18px; padding: 0 8px; }

/* ---- EMPTY STATE ---- */
.empty-state { text-align: center; padding: 60px 24px; color: var(--gray-500); }
.empty-state .empty-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state h3 { font-size: 18px; font-weight: 700; color: var(--gray-700); margin-bottom: 8px; }
.empty-state p { font-size: 14px; line-height: 1.6; margin-bottom: 20px; }

/* ---- GRID LAYOUTS ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }

/* ---- DASHBOARD WIDGETS ---- */
.quick-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.quick-action-btn {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 20px;
  background: white;
  border: 1.5px solid var(--gray-100);
  border-radius: var(--radius-md);
  font-size: 14px; font-weight: 600; font-family: var(--font-heading);
  color: var(--gray-700);
  transition: var(--transition);
}
.quick-action-btn:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); transform: translateY(-2px); }
.quick-action-btn .icon { font-size: 20px; }

/* ---- ACTIVITY FEED ---- */
.activity-list { display: flex; flex-direction: column; }
.activity-item { display: flex; align-items: flex-start; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--gray-50); }
.activity-item:last-child { border-bottom: none; }
.activity-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); margin-top: 6px; flex-shrink: 0; }
.activity-text { font-size: 13px; color: var(--gray-700); line-height: 1.6; }
.activity-time { font-size: 11px; color: var(--gray-400); margin-top: 2px; }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .sidebar-overlay.visible { display: block; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .admin-content { padding: 16px; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .stats-row { grid-template-columns: 1fr; }
}