/* ============================================================
   Codebook Solution — Admin Panel Stylesheet
============================================================ */

:root {
  --bg-primary: #060610;
  --bg-secondary: #0c0c1e;
  --bg-sidebar: #09091a;
  --bg-card: rgba(255,255,255,0.04);
  --bg-glass: rgba(255,255,255,0.05);
  --border: rgba(255,255,255,0.08);
  --border-active: rgba(99,102,241,0.4);
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --accent-light: rgba(99,102,241,0.12);
  --gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
  --text-primary: #f0f0ff;
  --text-secondary: #a0a0c0;
  --text-muted: #60607a;
  --success: #10b981;
  --danger: #f43f5e;
  --warning: #f59e0b;
  --info: #06b6d4;
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --sidebar-w: 260px;
  --topbar-h: 64px;
  --radius: 12px;
  --transition: all 0.25s cubic-bezier(0.4,0,0.2,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--accent); border-radius: 3px; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; }
ul { list-style: none; }
h1,h2,h3,h4,h5 { font-family: var(--font-display); line-height: 1.3; }

/* --- Auth Pages --- */
.auth-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; position: relative; overflow: hidden;
}
.auth-bg { position: fixed; inset: 0; pointer-events: none; }
.auth-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(99,102,241,0.05) 1px,transparent 1px), linear-gradient(90deg,rgba(99,102,241,0.05) 1px,transparent 1px);
  background-size: 50px 50px;
}
.auth-orb {
  position: absolute; border-radius: 50%; filter: blur(80px); opacity: 0.5;
}
.auth-orb-1 { width: 400px; height: 400px; top: -100px; right: -100px; background: radial-gradient(circle,rgba(99,102,241,0.3),transparent); }
.auth-orb-2 { width: 300px; height: 300px; bottom: -50px; left: -50px; background: radial-gradient(circle,rgba(139,92,246,0.25),transparent); }

.auth-container { position: relative; z-index: 1; width: 100%; max-width: 420px; padding: 20px; }
.auth-card {
  background: rgba(255,255,255,0.04);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
}
.auth-logo {
  font-family: var(--font-display); font-size: 1.4rem; font-weight: 800;
  margin-bottom: 24px; display: block;
}
.logo-accent { color: var(--accent); }
.auth-card h2 { font-size: 1.6rem; margin-bottom: 6px; }
.auth-card > p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 28px; }

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

/* Sidebar */
.admin-sidebar {
  width: var(--sidebar-w); min-height: 100vh; position: fixed; top: 0; left: 0; z-index: 200;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  transition: transform 0.3s ease;
}
.sidebar-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.sidebar-logo { font-family: var(--font-display); font-size: 1.1rem; font-weight: 800; }
.sidebar-close { display: none; background: none; border: none; color: var(--text-muted); font-size: 1.2rem; cursor: pointer; }

.sidebar-nav { flex: 1; overflow-y: auto; padding: 16px 12px; }
.nav-section-label {
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--text-muted); padding: 8px 12px; margin-top: 8px;
}
.nav-item a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px;
  color: var(--text-secondary); font-size: 0.88rem; font-weight: 500;
  transition: var(--transition);
}
.nav-item a i { font-size: 1rem; width: 20px; text-align: center; }
.nav-item a:hover { color: var(--text-primary); background: var(--bg-glass); }
.nav-item a.active { color: var(--accent); background: var(--accent-light); }
.nav-item .badge {
  margin-left: auto; background: var(--danger); color: #fff;
  font-size: 0.7rem; padding: 2px 7px; border-radius: 50px; font-weight: 600;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px; padding: 10px 12px;
  border-radius: 8px; background: var(--bg-glass);
}
.user-avatar {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--gradient); display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem; font-weight: 700; font-family: var(--font-display); color: #fff; flex-shrink: 0;
}
.sidebar-user .info { overflow: hidden; }
.sidebar-user .name { font-size: 0.85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user .role { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; }

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

/* Topbar */
.admin-topbar {
  height: var(--topbar-h); position: sticky; top: 0; z-index: 100;
  background: rgba(9,9,26,0.9); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; gap: 16px;
}
.topbar-left { display: flex; align-items: center; gap: 12px; }
.topbar-menu-btn {
  display: none; background: none; border: none;
  color: var(--text-secondary); font-size: 1.2rem; cursor: pointer; padding: 6px;
}
.breadcrumb-admin { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb-admin a:hover { color: var(--accent); }
.breadcrumb-admin i { font-size: 0.65rem; }

.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-btn {
  position: relative; background: var(--bg-glass); border: 1px solid var(--border);
  border-radius: 8px; padding: 8px 12px; color: var(--text-secondary);
  font-size: 0.85rem; cursor: pointer; display: flex; align-items: center; gap: 6px;
  transition: var(--transition); text-decoration: none;
}
.topbar-btn:hover { border-color: var(--accent); color: var(--accent); }
.topbar-btn .dot {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; background: var(--danger); border-radius: 50%;
  border: 2px solid var(--bg-primary);
}

/* Content Area */
.admin-content { flex: 1; padding: 28px 24px; }

/* Page Header */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 28px; flex-wrap: wrap; gap: 16px;
}
.page-header h1 { font-size: 1.5rem; }
.page-header p { font-size: 0.85rem; color: var(--text-muted); margin-top: 2px; }

/* Cards */
.card {
  background: var(--bg-glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 1rem; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
  background: var(--bg-glass); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 20px; display: flex; align-items: center; gap: 16px;
  transition: var(--transition); position: relative; overflow: hidden;
}
.stat-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: var(--gradient); opacity: 0; transition: opacity 0.3s;
}
.stat-card:hover::before { opacity: 1; }
.stat-icon {
  width: 48px; height: 48px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; flex-shrink: 0;
}
.stat-icon.purple { background: rgba(99,102,241,0.15); color: var(--accent); }
.stat-icon.cyan { background: rgba(6,182,212,0.15); color: var(--info); }
.stat-icon.green { background: rgba(16,185,129,0.15); color: var(--success); }
.stat-icon.amber { background: rgba(245,158,11,0.15); color: var(--warning); }
.stat-icon.red { background: rgba(244,63,94,0.15); color: var(--danger); }

.stat-info .num { font-family: var(--font-display); font-size: 1.8rem; font-weight: 700; line-height: 1; }
.stat-info .label { font-size: 0.78rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-top: 4px; }

/* Table */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { 
  padding: 10px 14px; text-align: left; font-size: 0.72rem;
  font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--text-muted); border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid rgba(255,255,255,0.04); transition: var(--transition); }
tbody tr:hover { background: rgba(99,102,241,0.04); }
tbody td { padding: 12px 14px; font-size: 0.85rem; color: var(--text-secondary); vertical-align: middle; }
tbody tr:last-child { border-bottom: none; }

/* Badges */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 50px; font-size: 0.72rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-danger  { background: rgba(244,63,94,0.15);  color: var(--danger); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-info    { background: rgba(6,182,212,0.15);  color: var(--info); }
.badge-muted   { background: rgba(255,255,255,0.06); color: var(--text-muted); }

/* Forms */
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.82rem; font-weight: 500; color: var(--text-secondary); margin-bottom: 6px; }
.form-group .hint { font-size: 0.75rem; color: var(--text-muted); margin-top: 4px; }
.form-control {
  width: 100%; background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text-primary); font-family: var(--font-body); font-size: 0.88rem;
  padding: 9px 12px; transition: var(--transition); outline: none;
}
.form-control:focus {
  border-color: var(--accent); background: rgba(99,102,241,0.05);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.1);
}
.form-control option { background: var(--bg-secondary); }
textarea.form-control { resize: vertical; min-height: 100px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 9px 18px; border-radius: 8px; font-size: 0.85rem; font-weight: 600; font-family: var(--font-body); cursor: pointer; transition: var(--transition); border: none; text-decoration: none; white-space: nowrap; }
.btn-primary { background: var(--gradient); color: #fff; }
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 4px 15px rgba(99,102,241,0.4); color: #fff; }
.btn-secondary { background: var(--bg-glass); border: 1px solid var(--border); color: var(--text-secondary); }
.btn-secondary:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: rgba(244,63,94,0.15); border: 1px solid rgba(244,63,94,0.3); color: var(--danger); }
.btn-danger:hover { background: rgba(244,63,94,0.25); }
.btn-success { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: var(--success); }
.btn-success:hover { background: rgba(16,185,129,0.25); }
.btn-sm { padding: 6px 12px; font-size: 0.78rem; }
.btn-icon { padding: 7px; border-radius: 7px; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.85rem; display: flex; align-items: center; gap: 8px; }
.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.alert-error { background: rgba(244,63,94,0.1); border: 1px solid rgba(244,63,94,0.3); color: #fda4af; }
.alert-info { background: rgba(6,182,212,0.1); border: 1px solid rgba(6,182,212,0.3); color: #67e8f9; }

/* Image Preview */
.image-preview-wrap { position: relative; display: inline-block; }
.image-preview { width: 100px; height: 80px; border-radius: 8px; object-fit: cover; border: 1px solid var(--border); display: block; }
.image-upload-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 14px; border-radius: 8px; background: var(--bg-glass);
  border: 1px dashed var(--border); color: var(--text-muted);
  cursor: pointer; font-size: 0.82rem; transition: var(--transition);
  margin-top: 8px;
}
.image-upload-btn:hover { border-color: var(--accent); color: var(--accent); }

/* Toggle */
.toggle { position: relative; display: inline-block; width: 42px; height: 22px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; inset: 0; background: rgba(255,255,255,0.1);
  border-radius: 22px; cursor: pointer; transition: 0.3s;
  border: 1px solid var(--border);
}
.toggle-slider::before {
  content: ''; position: absolute; height: 16px; width: 16px;
  left: 2px; bottom: 2px; background: var(--text-muted);
  border-radius: 50%; transition: 0.3s;
}
.toggle input:checked + .toggle-slider { background: rgba(99,102,241,0.3); border-color: var(--accent); }
.toggle input:checked + .toggle-slider::before { transform: translateX(20px); background: var(--accent); }

/* Grid Layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 24px; }

/* Responsive */
@media (max-width: 1024px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .topbar-menu-btn { display: flex; }
  .sidebar-close { display: flex; }
  .form-row { grid-template-columns: 1fr; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .admin-content { padding: 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
}

/* Sidebar overlay */
.sidebar-overlay {
  display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  z-index: 199; backdrop-filter: blur(2px);
}
.sidebar-overlay.show { display: block; }