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

:root {
  --bg-primary: #07070d;
  --bg-secondary: #0f0f18;
  --bg-card: rgba(255, 255, 255, 0.04);
  --bg-card-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --text-primary: #f1f5f9;
  --text-muted: #94a3b8;
  --accent-1: #6366f1;
  --accent-2: #8b5cf6;
  --accent-3: #06b6d4;
  --gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #06b6d4 100%);
  --gradient-text: linear-gradient(135deg, #818cf8, #c084fc, #22d3ee);
  --shadow: 0 8px 32px rgba(99, 102, 241, 0.12);
  --shadow-lg: 0 20px 60px rgba(99, 102, 241, 0.2);
  --radius: 16px;
  --radius-sm: 10px;
  --sidebar-width: 260px;
  --header-height: 64px;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
}

[data-theme="light"] {
  --bg-primary: #f1f5f9;
  --bg-secondary: #ffffff;
  --bg-card: rgba(255, 255, 255, 0.85);
  --bg-card-hover: rgba(255, 255, 255, 0.95);
  --border: rgba(0, 0, 0, 0.08);
  --text-primary: #0f172a;
  --text-muted: #64748b;
  --shadow: 0 8px 32px rgba(99, 102, 241, 0.08);
  --shadow-lg: 0 20px 60px rgba(99, 102, 241, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  transition: background 0.3s, color 0.3s;
  -webkit-font-smoothing: antialiased;
}

.bg-mesh {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(99,102,241,0.18) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(139,92,246,0.14) 0%, transparent 55%),
    radial-gradient(ellipse 50% 40% at 50% 50%, rgba(6,182,212,0.08) 0%, transparent 50%);
}

[data-theme="light"] .bg-mesh {
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(99,102,241,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(139,92,246,0.06) 0%, transparent 55%);
}

a { color: var(--accent-1); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-2); }

.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}

.glass-card:hover { border-color: rgba(99, 102, 241, 0.25); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 24px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: transform 0.2s, box-shadow 0.2s, opacity 0.2s;
  font-family: inherit;
  text-decoration: none;
}

.btn:hover { transform: translateY(-2px); text-decoration: none; }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--gradient);
  color: #fff !important;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5); color: #fff !important; }

.btn-outline {
  background: transparent;
  color: var(--text-primary) !important;
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--accent-1); color: var(--accent-1) !important; }

.btn-sm { padding: 7px 16px; font-size: 0.82rem; }
.btn-danger { background: var(--danger); color: #fff !important; }
.btn-success { background: var(--success); color: #fff !important; }
.btn-warning { background: var(--warning); color: #fff !important; }

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

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
  outline: none;
  border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}

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

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 0.9rem;
  border: 1px solid;
}

.alert-success { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); color: var(--success); }
.alert-error { background: rgba(239,68,68,0.1); border-color: rgba(239,68,68,0.3); color: var(--danger); }
.alert-info { background: rgba(59,130,246,0.1); border-color: rgba(59,130,246,0.3); color: var(--info); }

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-success { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-danger { background: rgba(239,68,68,0.15); color: var(--danger); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--info); }

.table-wrap { overflow-x: auto; border-radius: var(--radius); }

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

table.data-table th,
table.data-table td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table.data-table th {
  font-weight: 600;
  color: var(--text-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: var(--bg-card);
}

table.data-table tr:hover td { background: var(--bg-card-hover); }

.page-title {
  font-size: 1.6rem;
  font-weight: 700;
  margin-bottom: 24px;
}

.section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 16px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.toggle-group {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px;
}

.toggle-btn {
  padding: 6px 14px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.2s;
}

.toggle-btn.active {
  background: var(--gradient);
  color: #fff;
}

.icon-btn {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-primary);
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s;
}

.icon-btn:hover { border-color: var(--accent-1); color: var(--accent-1); }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .hide-mobile { display: none !important; }
  .page-title { font-size: 1.3rem; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}