:root {
  --admin-bg: #0f0f1a;
  --admin-card: #1a1a2e;
  --admin-sidebar: #12121f;
  --admin-border: #2a2a4a;
  --admin-text: #e0e0f0;
  --admin-muted: #8888aa;
  --admin-accent: #D4AF37;
  --admin-green: #28a745;
  --admin-red: #dc3545;
  --admin-blue: #0d6efd;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
}

/* ===== Login Page ===== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0f0f1a, #1a0a2e);
}
.login-box {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  padding: 40px;
  width: 400px;
  max-width: 90%;
  text-align: center;
}
.login-box .logo {
  font-size: 48px;
  margin-bottom: 10px;
}
.login-box h1 { color: var(--admin-accent); font-size: 22px; margin-bottom: 5px; }
.login-box p { color: var(--admin-muted); font-size: 13px; margin-bottom: 25px; }
.login-box input {
  width: 100%;
  padding: 14px 16px;
  margin-bottom: 15px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--admin-border);
  border-radius: 10px;
  color: var(--admin-text);
  font-size: 14px;
}
.login-box input:focus { outline: none; border-color: var(--admin-accent); }
.login-box .error { color: var(--admin-red); font-size: 13px; margin-bottom: 10px; display: none; }

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

/* Sidebar */
.sidebar {
  width: 250px;
  background: var(--admin-sidebar);
  border-right: 1px solid var(--admin-border);
  padding: 0;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  overflow-y: auto;
  z-index: 100;
}
.sidebar-header {
  padding: 20px;
  border-bottom: 1px solid var(--admin-border);
  text-align: center;
}
.sidebar-header h2 { color: var(--admin-accent); font-size: 16px; }
.sidebar-header small { color: var(--admin-muted); font-size: 11px; }
.sidebar-nav { padding: 10px 0; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  color: var(--admin-muted);
  text-decoration: none;
  font-size: 14px;
  transition: 0.2s;
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover { background: rgba(255,255,255,0.03); color: var(--admin-text); }
.sidebar-nav a.active {
  background: rgba(212,175,55,0.08);
  color: var(--admin-accent);
  border-left-color: var(--admin-accent);
}
.sidebar-nav a .icon { width: 22px; text-align: center; font-size: 16px; }
.sidebar-nav a .badge {
  margin-left: auto;
  background: var(--admin-accent);
  color: #000;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}
.sidebar-footer {
  padding: 15px 20px;
  border-top: 1px solid var(--admin-border);
}
.sidebar-footer a {
  color: var(--admin-muted);
  text-decoration: none;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.sidebar-footer a:hover { color: var(--admin-red); }

/* Main Content */
.main-content {
  margin-left: 250px;
  flex: 1;
  padding: 25px;
}
.main-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 25px;
  flex-wrap: wrap;
  gap: 10px;
}
.main-header h1 { font-size: 24px; color: var(--admin-text); }
.main-header .meta { color: var(--admin-muted); font-size: 13px; }

/* ===== Stats Cards ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
  margin-bottom: 25px;
}
.stat-card {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 20px;
}
.stat-card .stat-num { font-size: 32px; font-weight: 700; color: var(--admin-accent); }
.stat-card .stat-label { color: var(--admin-muted); font-size: 13px; margin-top: 4px; }
.stat-card .stat-icon { font-size: 32px; margin-bottom: 8px; }

/* ===== Section Panels ===== */
.section-panel { display: none; }
.section-panel.active { display: block; }

/* ===== Table ===== */
.table-wrap {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  overflow: hidden;
}
.table-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--admin-border);
  flex-wrap: wrap;
  gap: 10px;
}
.table-header h3 { font-size: 16px; }
.table-toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--admin-border); font-size: 13px; }
th { color: var(--admin-accent); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
tr:hover td { background: rgba(255,255,255,0.02); }
td .actions { display: flex; gap: 6px; }
td .actions button {
  padding: 4px 10px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  transition: 0.2s;
}

/* ===== Forms ===== */
.form-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.7);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.form-overlay.active { display: flex; }
.form-modal {
  background: var(--admin-card);
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  padding: 30px;
  width: 500px;
  max-width: 90%;
  max-height: 80vh;
  overflow-y: auto;
}
.form-modal h2 { color: var(--admin-accent); margin-bottom: 20px; font-size: 20px; }
.form-modal .close {
  float: right;
  font-size: 24px;
  cursor: pointer;
  color: var(--admin-muted);
  background: none;
  border: none;
}
.form-modal .close:hover { color: var(--admin-text); }
.form-group { margin-bottom: 15px; }
.form-group label { display: block; font-size: 13px; color: var(--admin-muted); margin-bottom: 5px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%;
  padding: 10px 14px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--admin-border);
  border-radius: 8px;
  color: var(--admin-text);
  font-size: 14px;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none;
  border-color: var(--admin-accent);
}
.form-group textarea { height: 80px; resize: vertical; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 20px; }

/* ===== Buttons ===== */
.btn-sm {
  padding: 6px 14px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: 0.2s;
}
.btn-edit { background: var(--admin-blue); color: #fff; }
.btn-edit:hover { background: #0b5ed7; }
.btn-delete { background: var(--admin-red); color: #fff; }
.btn-delete:hover { background: #c82333; }
.btn-view { background: var(--admin-accent); color: #000; }
.btn-view:hover { background: #e0c040; }
.btn-primary { background: var(--admin-accent); color: #000; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; font-weight: 600; }
.btn-primary:hover { background: #e0c040; }
.btn-secondary { background: rgba(255,255,255,0.08); color: var(--admin-text); border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; }
.btn-secondary:hover { background: rgba(255,255,255,0.12); }
.btn-danger { background: var(--admin-red); color: #fff; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; }

/* ===== Inbox / Messages ===== */
.msg-item {
  padding: 14px 16px;
  border-bottom: 1px solid var(--admin-border);
  cursor: pointer;
  transition: 0.2s;
}
.msg-item:hover { background: rgba(255,255,255,0.03); }
.msg-item .msg-subject { font-weight: 600; color: var(--admin-text); }
.msg-item .msg-preview { color: var(--admin-muted); font-size: 12px; margin-top: 4px; }
.msg-item .msg-date { font-size: 11px; color: var(--admin-muted); float: right; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { width: 60px; }
  .sidebar-header h2, .sidebar-header small, .sidebar-nav a span, .sidebar-nav a .badge, .sidebar-footer a span { display: none; }
  .sidebar-nav a { justify-content: center; padding: 14px; }
  .sidebar-footer a { justify-content: center; }
  .main-content { margin-left: 60px; padding: 15px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* Toast notification */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 14px 24px;
  border-radius: 10px;
  color: #fff;
  font-size: 14px;
  z-index: 9999;
  opacity: 0;
  transform: translateY(-20px);
  transition: 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.toast.success { background: var(--admin-green); }
.toast.error { background: var(--admin-red); }