/* ─── IPTV Admin Panel — CSS Premium ──────────────────────────────────── */
:root {
  --bg: #0a0a0f;
  --bg-card: #13131a;
  --bg-sidebar: #0d0d14;
  --border: rgba(255,255,255,0.08);
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --accent: #a855f7;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --text: #f1f5f9;
  --text-muted: #64748b;
  --radius: 12px;
  --sidebar-w: 240px;
  --topbar-h: 60px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.6;
}

/* ─── Login ─────────────────────────────────────────────────────────────── */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(ellipse at 30% 50%, rgba(99,102,241,0.15) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(168,85,247,0.1) 0%, transparent 60%),
              var(--bg);
}
.login-container { width: 100%; max-width: 400px; padding: 24px; }
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 25px 50px rgba(0,0,0,0.5);
}
.login-logo { text-align: center; margin-bottom: 32px; }
.login-logo .logo-icon { font-size: 48px; display: block; margin-bottom: 12px; }
.login-logo h1 { font-size: 22px; font-weight: 700; color: var(--text); }
.login-logo p { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.login-form { display: flex; flex-direction: column; gap: 16px; }
.login-footer { text-align: center; color: var(--text-muted); font-size: 12px; margin-top: 24px; }

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

.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: transform 0.25s ease;
}
.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo .logo-icon { font-size: 24px; }
.sidebar-logo .logo-text { font-weight: 700; font-size: 15px; color: var(--text); }

.sidebar-nav { flex: 1; padding: 12px 10px; overflow-y: auto; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.15s ease;
  margin-bottom: 2px;
}
.nav-item:hover { background: rgba(255,255,255,0.06); color: var(--text); }
.nav-item.active { background: rgba(99,102,241,0.2); color: var(--primary); }
.nav-item-danger:hover { background: rgba(239,68,68,0.15); color: var(--danger); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }
.nav-divider { height: 1px; background: var(--border); margin: 10px 4px; }
.sidebar-footer { padding: 16px 20px; color: var(--text-muted); font-size: 11px; border-top: 1px solid var(--border); }

.main-content { flex: 1; margin-left: var(--sidebar-w); display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.topbar-user { color: var(--text-muted); font-size: 13px; }
.sidebar-toggle { display: none; background: none; border: none; color: var(--text); font-size: 20px; cursor: pointer; }

.content-wrapper { padding: 28px 28px; flex: 1; }

/* ─── Page Header ─────────────────────────────────────────────────────────── */
.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.page-header h2 { font-size: 22px; font-weight: 700; color: var(--text); }

/* ─── Stats Grid ──────────────────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: border-color 0.15s;
}
.stat-card:hover { border-color: rgba(99,102,241,0.4); }
.stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.stat-info { display: flex; flex-direction: column; }
.stat-value { font-size: 26px; font-weight: 800; color: var(--text); line-height: 1; }
.stat-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ─── Dashboard Grid ──────────────────────────────────────────────────────── */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 20px;
}

/* ─── Cards ───────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 15px; font-weight: 600; color: var(--text); }
.card-body { padding: 16px 20px; }

/* ─── Tables ──────────────────────────────────────────────────────────────── */
.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left;
  padding: 8px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}
.table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 13px;
}
.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.02); }
.text-muted { color: var(--text-muted); }

/* ─── Forms ───────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.04em; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="url"],
select, textarea {
  width: 100%;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus { border-color: var(--primary); }
input::placeholder { color: var(--text-muted); }
select option { background: #1a1a2e; color: var(--text); }

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-success { background: var(--success); color: white; }
.btn-danger { background: var(--danger); color: white; }
.btn-warning { background: var(--warning); color: #000; }
.btn-ghost { background: rgba(255,255,255,0.08); color: var(--text); }
.btn-ghost:hover { background: rgba(255,255,255,0.14); }
.btn-sm { padding: 5px 12px; font-size: 12px; }
.btn-full { width: 100%; justify-content: center; padding: 12px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  background: rgba(255,255,255,0.1);
  color: var(--text-muted);
}
.badge-success { background: rgba(16,185,129,0.2); color: #10b981; }
.badge-error { background: rgba(239,68,68,0.2); color: #ef4444; }
.badge-warning { background: rgba(245,158,11,0.2); color: #f59e0b; }
.badge-primary { background: rgba(99,102,241,0.2); color: var(--primary); }

/* ─── Alerts ──────────────────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
  margin-bottom: 16px;
}
.alert-error { background: rgba(239,68,68,0.15); border: 1px solid rgba(239,68,68,0.3); color: #fca5a5; }
.alert-success { background: rgba(16,185,129,0.15); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }

/* ─── Empty State ─────────────────────────────────────────────────────────── */
.empty-state { color: var(--text-muted); text-align: center; padding: 24px; font-size: 13px; }

/* ─── Filters ─────────────────────────────────────────────────────────────── */
.filters-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.filters-bar input, .filters-bar select { max-width: 220px; }

/* ─── Color Picker ────────────────────────────────────────────────────────── */
.color-row { display: flex; align-items: center; gap: 10px; }
.color-row input[type="color"] { width: 40px; height: 36px; padding: 2px; border-radius: 6px; cursor: pointer; }
.color-row input[type="text"] { flex: 1; }

/* ─── Progress Bar ────────────────────────────────────────────────────────── */
.progress-bar { height: 6px; background: rgba(255,255,255,0.1); border-radius: 3px; overflow: hidden; }
.progress-fill { height: 100%; border-radius: 3px; background: var(--primary); transition: width 0.3s; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .app-layout.sidebar-open .sidebar { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: block; }
  .content-wrapper { padding: 16px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
}