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

:root {
  --bg: #0a0a0a;
  --bg-card: #141414;
  --border: #262626;
  --text: #e5e5e5;
  --text-muted: #a3a3a3;
  --accent: #f59e0b;
  --accent-hover: #d97706;
  --green: #22c55e;
  --red: #ef4444;
  --blue: #60a5fa;
  --purple: #a78bfa;
}

html.light {
  --bg: #f5f5f5;
  --bg-card: #ffffff;
  --border: #e0e0e0;
  --text: #1a1a1a;
  --text-muted: #666666;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Nav */
.nav {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 20px; background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 100;
}
.nav-brand { font-size: 18px; font-weight: bold; white-space: nowrap; }
.accent { color: var(--accent); }
.nav-links { display: flex; gap: 2px; flex: 1; flex-wrap: wrap; }
.nav-links a {
  padding: 5px 10px; border-radius: 6px;
  color: var(--text-muted); font-size: 13px; transition: all 0.15s; white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active {
  background: var(--border); color: var(--text); text-decoration: none;
}
.nav-user { display: flex; align-items: center; gap: 8px; font-size: 13px; white-space: nowrap; }
.coins { color: var(--accent); font-weight: bold; }
.coins::before { content: '$ '; }
.level { color: var(--blue); font-weight: bold; }
.hamburger { display: none; background: none; border: 1px solid var(--border); color: var(--text); font-size: 20px; padding: 4px 8px; border-radius: 4px; cursor: pointer; }

/* Notification badge */
.notif-badge {
  background: var(--red); color: #fff; font-size: 10px; font-weight: bold;
  padding: 1px 5px; border-radius: 10px; margin-left: 4px;
}

/* Buttons */
.btn {
  padding: 8px 16px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-card); color: var(--text); cursor: pointer; font-size: 14px; transition: all 0.15s;
}
.btn:hover { background: var(--border); }
.btn-primary { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { border-color: var(--red); color: var(--red); }
.btn-danger:hover { background: var(--red); color: #fff; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* Cards */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 8px; padding: 16px; }

/* Grid */
.grid { display: grid; gap: 12px; }
.grid-2 { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }

/* Stats */
.stat-label { font-size: 12px; color: var(--text-muted); }
.stat-value { font-size: 24px; font-weight: bold; margin-top: 4px; }

/* Content */
#content { padding: 20px; max-width: 1200px; margin: 0 auto; }
h1 { font-size: 24px; margin-bottom: 16px; }
h2 { font-size: 18px; margin-bottom: 12px; color: var(--text-muted); }

/* Tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 10px; font-size: 13px; border-bottom: 1px solid var(--border); }
th { color: var(--text-muted); font-weight: 500; }
tr:hover { background: rgba(255,255,255,0.02); }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.form-group input, .form-group select {
  width: 100%; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; color: var(--text); font-size: 14px;
}
.form-group input:focus, .form-group select:focus { outline: none; border-color: var(--accent); }

/* Auth pages */
.auth-container { max-width: 400px; margin: 80px auto; text-align: center; }
.auth-container h1 { font-size: 32px; margin-bottom: 8px; }
.auth-container p { color: var(--text-muted); margin-bottom: 24px; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 600; }
.badge-success { background: #064e3b; color: var(--green); }
.badge-warning { background: #78350f; color: var(--accent); }
.badge-danger { background: #7f1d1d; color: var(--red); }
.badge-info { background: #1e3a5f; color: var(--blue); }
.badge-purple { background: #4c1d95; color: var(--purple); }
.badge-blackmarket { background: #1a1a2e; color: #e94560; border: 1px solid #e94560; }

/* Cargo type badges */
.cargo-fragile { color: #fbbf24; }
.cargo-hazardous { color: #ef4444; }
.cargo-refrigerated { color: #60a5fa; }

/* Weather icons */
.weather-clear { color: #fbbf24; }
.weather-rain { color: #60a5fa; }
.weather-snow { color: #e0e0e0; }
.weather-ice { color: #93c5fd; }
.weather-fog { color: #9ca3af; }

/* Progress bar */
.progress { height: 8px; background: var(--border); border-radius: 4px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s; }
.progress-green .progress-bar { background: var(--green); }
.progress-red .progress-bar { background: var(--red); }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #7f1d1d; color: #fca5a5; }
.alert-success { background: #064e3b; color: #6ee7b7; }
.alert-info { background: #1e3a5f; color: #93c5fd; }

/* Toasts */
#toast-container {
  position: fixed; bottom: 24px; right: 24px; z-index: 9999;
  display: flex; flex-direction: column; gap: 8px; pointer-events: none;
}
.toast {
  padding: 12px 20px; border-radius: 8px; font-size: 14px; max-width: 360px;
  pointer-events: auto; opacity: 0; transform: translateX(100%);
  transition: all 0.3s ease; box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}
.toast-show { opacity: 1; transform: translateX(0); }
.toast-success { background: #064e3b; color: #6ee7b7; border: 1px solid #059669; }
.toast-error { background: #7f1d1d; color: #fca5a5; border: 1px solid #dc2626; }
.toast-info { background: #1e3a5f; color: #93c5fd; border: 1px solid #3b82f6; }

/* Leaflet overrides */
.city-tooltip, .leaflet-tooltip {
  background: #1a1a1a !important; color: #e5e5e5 !important;
  border: 1px solid #333 !important; border-radius: 4px !important;
  font-size: 12px !important; padding: 4px 8px !important;
  box-shadow: 0 2px 8px rgba(0,0,0,0.5) !important;
}
.leaflet-tooltip-top:before { border-top-color: #333 !important; }
.truck-marker, .city-marker, .depot-marker { background: none !important; border: none !important; }

/* Tutorial overlay */
.tutorial-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 10000;
  display: flex; align-items: center; justify-content: center;
}
.tutorial-box {
  background: var(--bg-card); border: 2px solid var(--accent); border-radius: 12px;
  padding: 32px; max-width: 500px; text-align: center;
}
.tutorial-box h2 { color: var(--accent); margin-bottom: 16px; }
.tutorial-box p { margin-bottom: 16px; color: var(--text-muted); }
.tutorial-steps { text-align: left; margin: 16px 0; }
.tutorial-steps li { padding: 8px 0; color: var(--text); }

/* Skin colors */
.skin-dot {
  display: inline-block; width: 14px; height: 14px; border-radius: 50%;
  border: 2px solid var(--border); cursor: pointer; transition: transform 0.1s;
}
.skin-dot:hover { transform: scale(1.3); }
.skin-dot.active { border-color: var(--accent); transform: scale(1.3); }

/* Responsive */
@media (max-width: 900px) {
  .nav { flex-wrap: wrap; padding: 8px 12px; }
  .nav-links { order: 3; width: 100%; overflow-x: auto; display: none; flex-direction: column; gap: 0; }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 10px 12px; border-radius: 0; border-bottom: 1px solid var(--border); }
  .hamburger { display: block; }
  #content { padding: 12px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-user { font-size: 12px; gap: 6px; }
  table { font-size: 12px; }
  th, td { padding: 6px 8px; }
  .stat-value { font-size: 20px; }
  .auth-container { margin: 40px auto; padding: 0 16px; }
}

@media (max-width: 480px) {
  .nav-brand { font-size: 15px; }
  .btn { padding: 6px 12px; font-size: 13px; }
  .btn-sm { padding: 4px 8px; font-size: 11px; }
}

/* Tooltips */
[data-tip] { position: relative; cursor: help; }
[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
  background: #1a1a1a; color: #e5e5e5; border: 1px solid #333;
  padding: 6px 10px; border-radius: 6px; font-size: 12px; white-space: nowrap;
  z-index: 1000; pointer-events: none; max-width: 300px; white-space: normal;
}

.hidden { display: none !important; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.mb-4 { margin-bottom: 16px; }
.mt-4 { margin-top: 16px; }
.text-green { color: var(--green); }
.text-red { color: var(--red); }
.text-accent { color: var(--accent); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 13px; }
.font-bold { font-weight: bold; }