@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* ============================================================
   FreeSea – Design System
   ============================================================ */

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;

  --bg-base: #0a0818;
  --bg-card: rgba(255, 255, 255, 0.03);
  --bg-card-hover: rgba(255, 255, 255, 0.06);
  --bg-glass: rgba(15, 12, 41, 0.8);

  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #475569;
  --border: rgba(99, 102, 241, 0.2);
  --border-strong: rgba(99, 102, 241, 0.4);

  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.1);

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ============================================================
   RESET & BASE
   ============================================================ */

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--bg-base);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--text); }

img { max-width: 100%; height: auto; }

/* ============================================================
   GRADIENT BG
   ============================================================ */

.bg-gradient {
  background: linear-gradient(135deg, var(--bg-base) 0%, #0f0c29 40%, #1a1040 70%, #0a0818 100%);
  position: relative;
}

.bg-gradient::before {
  content: '';
  position: fixed;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background:
    radial-gradient(ellipse at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(6, 182, 212, 0.04) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ============================================================
   TYPOGRAPHY
   ============================================================ */

h1, h2, h3, h4, h5 { font-weight: 700; line-height: 1.2; }

.gradient-text {
  background: linear-gradient(135deg, #f1f5f9 0%, var(--primary-light) 50%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT
   ============================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-sm {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: 80px 0; }
.section-sm { padding: 40px 0; }

/* ============================================================
   CARDS
   ============================================================ */

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: background var(--transition), border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}

.card:hover { background: var(--bg-card-hover); border-color: var(--border-strong); transform: translateY(-2px); }
.card:hover::before { opacity: 1; }

.card-glass {
  background: rgba(255, 255, 255, 0.03);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
}

/* ============================================================
   BUTTONS
   ============================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.1);
  opacity: 0;
  transition: opacity var(--transition);
}

.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5); }

.btn-secondary {
  background: rgba(99, 102, 241, 0.1);
  color: var(--primary-light);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: rgba(99, 102, 241, 0.2); border-color: var(--border-strong); transform: translateY(-2px); }

.btn-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}
.btn-danger:hover { background: rgba(239, 68, 68, 0.2); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-strong); }

.btn-sm { padding: 8px 16px; font-size: 12px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }

/* ============================================================
   FORMS
   ============================================================ */

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font);
  outline: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--primary);
  background: rgba(99, 102, 241, 0.05);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder, .form-textarea::placeholder { color: var(--text-dim); }

.form-error {
  font-size: 12px;
  color: var(--error);
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-hint { font-size: 12px; color: var(--text-dim); }

/* ============================================================
   NAVBAR
   ============================================================ */

.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  background: rgba(10, 8, 24, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background var(--transition);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
}

.navbar-logo svg { width: 32px; height: 32px; }

.navbar-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.navbar-links a {
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--transition);
}
.navbar-links a:hover { color: var(--text); }

.navbar-actions { display: flex; align-items: center; gap: 12px; }

/* ============================================================
   BADGES & TAGS
   ============================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.badge-primary { background: rgba(99,102,241,0.15); color: var(--primary-light); border: 1px solid rgba(99,102,241,0.3); }
.badge-success { background: rgba(16,185,129,0.15); color: #34d399; border: 1px solid rgba(16,185,129,0.3); }
.badge-warning { background: rgba(245,158,11,0.15); color: #fbbf24; border: 1px solid rgba(245,158,11,0.3); }
.badge-error   { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.3); }
.badge-accent  { background: rgba(6,182,212,0.15); color: #22d3ee; border: 1px solid rgba(6,182,212,0.3); }

/* ============================================================
   TOGGLE
   ============================================================ */

.toggle-wrap { display: flex; align-items: center; gap: 10px; cursor: pointer; }

.toggle {
  width: 44px; height: 24px; border-radius: 12px; position: relative;
  background: rgba(100,116,139,0.3); transition: background var(--transition);
  flex-shrink: 0;
}
.toggle.active { background: linear-gradient(135deg, var(--primary), var(--secondary)); }
.toggle::after {
  content: ''; position: absolute; top: 3px; left: 3px;
  width: 18px; height: 18px; border-radius: 50%;
  background: white; transition: left var(--transition);
  box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}
.toggle.active::after { left: 23px; }

/* ============================================================
   ALERTS
   ============================================================ */

.alert {
  padding: 14px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #34d399; }
.alert-error   { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.3); color: #f87171; }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fbbf24; }
.alert-info    { background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.3); color: #a5b4fc; }

/* ============================================================
   TABLES
   ============================================================ */

.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--border); }

table { width: 100%; border-collapse: collapse; }

thead tr { border-bottom: 1px solid var(--border); }
thead th {
  padding: 14px 16px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px;
  color: var(--text-dim); text-align: left;
}

tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  transition: background var(--transition);
}
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(255,255,255,0.02); }

tbody td { padding: 14px 16px; font-size: 14px; color: var(--text-muted); }
tbody td:first-child { color: var(--text); }

/* ============================================================
   MODAL
   ============================================================ */

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  opacity: 0; pointer-events: none;
  transition: opacity var(--transition);
}

.modal-overlay.active { opacity: 1; pointer-events: all; }

.modal {
  background: linear-gradient(135deg, #0f0c29, #1a1040);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  padding: 32px;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--transition);
}

.modal-overlay.active .modal { transform: scale(1) translateY(0); }

/* ============================================================
   PAGINATION
   ============================================================ */

.pagination { display: flex; align-items: center; gap: 6px; }
.pagination a, .pagination span {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm); font-size: 14px; transition: all var(--transition);
  border: 1px solid var(--border); color: var(--text-muted); text-decoration: none;
}
.pagination a:hover { background: rgba(99,102,241,0.1); color: var(--text); border-color: var(--border-strong); }
.pagination .active { background: linear-gradient(135deg,var(--primary),var(--secondary)); color:white; border-color: transparent; }

/* ============================================================
   STATS CARDS
   ============================================================ */

.stat-card {
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}

.stat-card::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.stat-value { font-size: 28px; font-weight: 800; color: var(--text); }
.stat-label { font-size: 13px; color: var(--text-muted); margin-top: 4px; }
.stat-change { font-size: 12px; margin-top: 8px; display: flex; align-items: center; gap: 4px; }
.stat-change.up { color: var(--success); }
.stat-change.down { color: var(--error); }

/* ============================================================
   DASHBOARD LAYOUT
   ============================================================ */

.dashboard-layout {
  display: flex;
  min-height: 100vh;
  padding-top: 0;
}

.sidebar {
  width: 260px;
  min-height: 100vh;
  background: rgba(255,255,255,0.02);
  border-right: 1px solid var(--border);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 0;
  flex-shrink: 0;
}

.sidebar-logo {
  padding: 12px 12px 20px;
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sidebar-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  padding: 8px 12px 4px;
}

.sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  transition: all var(--transition);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-align: left;
}

.sidebar-item:hover { background: rgba(99,102,241,0.1); color: var(--text); }
.sidebar-item.active { background: rgba(99,102,241,0.15); color: var(--primary-light); }
.sidebar-item svg { width: 18px; height: 18px; flex-shrink: 0; }

.sidebar-item.admin-item { color: var(--warning); }
.sidebar-item.admin-item:hover { background: rgba(245,158,11,0.1); color: #fbbf24; }
.sidebar-item.admin-item.active { background: rgba(245,158,11,0.15); color: #fbbf24; }

.main-content {
  flex: 1;
  padding: 32px;
  overflow-y: auto;
  min-width: 0;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 1024px) {
  .sidebar { width: 220px; }
  .main-content { padding: 24px; }
}

@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { padding: 16px; }
  .container { padding: 0 16px; }
  h1 { font-size: 2rem; }
}

/* ============================================================
   SCROLLBARS
   ============================================================ */

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(99,102,241,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(99,102,241,0.5); }

/* ============================================================
   LOADING / SPINNER
   ============================================================ */

.spinner {
  width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid rgba(99,102,241,0.3); border-top-color: var(--primary);
  animation: spin 0.8s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   UTILS
   ============================================================ */

.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-4 { gap: 4px; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }
.gap-32 { gap: 32px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-4 { margin-top: 4px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.p-16 { padding: 16px; }
.p-24 { padding: 24px; }
.opacity-50 { opacity: 0.5; }
.cursor-pointer { cursor: pointer; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: 1fr 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: 16px; }

@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}