:root{
  --primary:#0d6efd;
  --primary-dark:#0b5ed7;
  --navy:#0b1730;
  --navy-2:#132648;
  --navy-3:#1c3357;
  --dark:#0b1730;
  --bg:#f3f5f9;
  --border:#e6e9f0;
  --text:#151a26;
  --muted:#65708a;
  --gold:#c9a96a;
  --ease:cubic-bezier(.22,.61,.36,1);
  --shadow-sm:0 2px 10px rgba(11,23,48,.06);
  --shadow-md:0 12px 32px rgba(11,23,48,.10);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,Arial,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.layout{display:flex;min-height:100vh}

/* ===== sidebar ===== */
.sidebar{width:250px;background:linear-gradient(200deg,var(--navy),var(--navy-2) 65%,var(--navy-3));color:#fff;flex-shrink:0;padding:0;position:fixed;top:0;bottom:0;left:0;overflow-y:auto;box-shadow:4px 0 24px rgba(11,23,48,.15);z-index:40}
.sidebar h2{font-size:16px;padding:26px 22px 18px;margin:0;border-bottom:1px solid rgba(255,255,255,.08);font-weight:800;letter-spacing:-.01em;display:flex;align-items:center;gap:10px}
.sidebar h2::before{content:"";width:9px;height:9px;border-radius:3px;background:var(--gold);flex-shrink:0;box-shadow:0 0 0 3px rgba(201,169,106,.2)}
.sidebar nav{display:flex;flex-direction:column;margin-top:14px;padding:0 12px;gap:2px}
.sidebar nav a{padding:12px 16px;color:#aeb9d4;font-size:14px;font-weight:600;border-radius:10px;transition:background .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);display:flex;align-items:center;gap:11px}
.sidebar nav a .ic{width:18px;text-align:center;opacity:.85;font-size:15px}
.sidebar nav a:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.sidebar nav a.active{background:linear-gradient(90deg,rgba(13,110,253,.22),rgba(13,110,253,.05));color:#fff;box-shadow:inset 3px 0 0 var(--gold)}
.sidebar nav a.nav-sep{margin-top:10px;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}
.sidebar .sidebar-foot{padding:18px 22px;font-size:11px;color:#6f7d9e;text-transform:uppercase;letter-spacing:1px}
.sidebar-toggle{display:none;position:fixed;top:14px;left:14px;z-index:55;background:var(--navy);color:#fff;border:0;width:42px;height:42px;border-radius:10px;font-size:19px;box-shadow:var(--shadow-md);cursor:pointer}

/* ===== main area ===== */
.main{margin-left:250px;flex:1;padding:30px 34px 60px;width:100%;animation:fadeIn .4s var(--ease) both}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px;flex-wrap:wrap;gap:12px;background:#fff;padding:18px 22px;border-radius:14px;box-shadow:var(--shadow-sm);border:1px solid var(--border)}
.topbar h1{font-size:21px;margin:0;font-weight:800;color:var(--navy);letter-spacing:-.01em}

/* ===== cards ===== */
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:22px;margin-bottom:20px;box-shadow:var(--shadow-sm);transition:box-shadow .25s var(--ease)}
.card:hover{box-shadow:var(--shadow-md)}

/* ===== stat cards ===== */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:22px}
.stat{background:#fff;border:1px solid var(--border);border-radius:14px;padding:20px;box-shadow:var(--shadow-sm);transition:transform .3s var(--ease),box-shadow .3s var(--ease);position:relative;overflow:hidden}
.stat:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--primary),var(--gold))}
.stat .ic{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--navy),var(--navy-3));color:var(--gold);display:flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:12px}
.stat .num{font-size:28px;font-weight:800;color:var(--navy);letter-spacing:-.01em}
.stat .label{color:var(--muted);font-size:12.5px;margin-top:4px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}

/* ===== tables ===== */
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--border)}
th{color:var(--muted);font-weight:700;font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;background:#fafbfd}
tbody tr{transition:background .2s}
tbody tr:hover{background:#f8f9fc}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:9px;background:var(--primary);color:#fff;border:0;font-size:14px;font-weight:700;cursor:pointer;transition:background .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);box-shadow:0 8px 18px -6px rgba(13,110,253,.55)}
.btn:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 22px -6px rgba(13,110,253,.6)}
.btn.secondary{background:#fff;border:1.5px solid var(--border);color:var(--text);box-shadow:none}
.btn.secondary:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}
.btn.danger{background:#dc3545;box-shadow:0 8px 18px -6px rgba(220,53,69,.5)}
.btn.danger:hover{background:#bb2d3b}
.btn.small{padding:6px 12px;font-size:12.5px}

/* ===== forms ===== */
label{display:block;font-size:13px;font-weight:700;margin:14px 0 6px;color:var(--navy)}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:14px;font-family:inherit;transition:border-color .2s,box-shadow .2s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(13,110,253,.12)}
textarea{min-height:110px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* ===== badges ===== */
.badge{display:inline-block;padding:4px 11px;border-radius:20px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.3px}
.badge.available{background:#d1f5e0;color:#0a7a3d}
.badge.reserved{background:#fff3cd;color:#8a6d00}
.badge.sold{background:#f1f1f3;color:#6b7280}

/* ===== flash ===== */
.flash{background:#e7f5ec;border:1px solid #a3dcb8;color:#146c34;padding:12px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;font-weight:600}
.flash.error{background:#fdeaea;border-color:#f3b4b4;color:#8a1414}

/* ===== login ===== */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 20% 20%,var(--navy-3),var(--navy) 60%)}
.login-box{background:#fff;padding:40px;border-radius:18px;box-shadow:0 30px 70px rgba(0,0,0,.35);width:100%;max-width:400px;animation:fadeIn .5s var(--ease) both}
.login-box h1{font-size:20px;margin-top:0;font-weight:800;color:var(--navy)}

.thumb{width:46px;height:46px;object-fit:cover;border-radius:8px;background:#eee}

/* ===== photo gallery (vehicle images) ===== */
.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px;margin-bottom:16px}
.gallery-thumb{position:relative;aspect-ratio:1/1;border-radius:10px;overflow:hidden;border:1px solid var(--border);background:#f3f5f9;box-shadow:var(--shadow-sm);transition:transform .2s var(--ease)}
.gallery-thumb:hover{transform:translateY(-2px)}
.gallery-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.gallery-remove{position:absolute;top:6px;right:6px;width:24px;height:24px;border-radius:50%;background:rgba(11,23,48,.75);color:#fff;border:0;font-size:16px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .2s}
.gallery-remove:hover{background:#dc3545}
.gallery-progress{margin-top:10px;font-size:13px;color:var(--muted);font-weight:600;background:var(--soft, #f3f5f9);padding:8px 12px;border-radius:8px}

@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .3s var(--ease)}
  .sidebar.open{transform:translateX(0)}
  .sidebar-toggle{display:flex;align-items:center;justify-content:center}
  .main{margin-left:0;padding-top:74px}
  .row2{grid-template-columns:1fr}
}