:root{
  --primary:#FF6B00;
  --dark:#0F0F1E;
  --bg:#F7F7FA;
  --card:#FFFFFF;
  --muted:#6b7280;
  --border:#e5e7eb;
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --radius:16px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Helvetica Neue",Arial,"Noto Sans",sans-serif;background:var(--bg);color:#111827;line-height:1.6}
a{color:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.topbar{background:linear-gradient(135deg,#111827 0%,#1f2937 100%);color:#fff;border-bottom:3px solid var(--primary);position:sticky;top:0;z-index:20}
.topbar .row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:14px 0}
.brand{display:flex;gap:12px;align-items:center;text-decoration:none}
.brand .logo{width:44px;height:44px;border-radius:12px;background:linear-gradient(135deg,var(--primary) 0%,#FFB800 100%);display:flex;align-items:center;justify-content:center;font-size:22px;box-shadow:0 6px 18px rgba(255,107,0,.35)}
.brand .t{display:flex;flex-direction:column;line-height:1}
.brand .t strong{font-size:18px;letter-spacing:.4px}
.brand .t span{font-size:12px;color:#ffd38f}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.pill{display:inline-flex;gap:8px;align-items:center;padding:10px 14px;border-radius:999px;text-decoration:none;font-weight:700}
.pill.primary{background:linear-gradient(135deg,var(--primary),#FFB800);color:#fff}
.pill.ghost{border:1px solid rgba(255,255,255,.25);color:#fff;background:rgba(255,255,255,.08)}
.nav{background:#fff;border-bottom:1px solid var(--border)}
.nav ul{display:flex;list-style:none;gap:0;flex-wrap:wrap}
.nav a{display:block;padding:14px 14px;text-decoration:none;font-weight:700;color:#111827;border-bottom:3px solid transparent}
.nav a:hover{color:var(--primary);background:rgba(255,107,0,.06)}
.hero{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-50px;background:radial-gradient(circle at 20% 40%, rgba(255,107,0,.18) 0%, transparent 55%),radial-gradient(circle at 80% 70%, rgba(255,184,0,.14) 0%, transparent 55%);}
.hero .content{position:relative;padding:64px 0}
.hero h1{font-size:42px;line-height:1.1;margin-bottom:10px;background:linear-gradient(135deg,var(--primary),#FFB800);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{max-width:720px;color:rgba(255,255,255,.9);margin-bottom:18px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.section{padding:46px 0}
.section h2{font-size:26px;margin-bottom:8px}
.section .sub{color:var(--muted)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px;margin-top:18px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.car-card{background:#fff;border:1px solid var(--border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}
.car-img{height:170px;background:#111827;background-size:cover;background-position:center}
.car-body{padding:16px}
.car-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(255,107,0,.12);color:var(--primary);font-weight:800;font-size:12px}
.car-specs{list-style:none;display:flex;gap:10px;flex-wrap:wrap;margin:12px 0;color:#374151}
.car-specs li{background:#f3f4f6;border:1px solid #e5e7eb;border-radius:999px;padding:6px 10px;font-weight:700;font-size:12px}
.btn{border:none;border-radius:12px;padding:10px 12px;font-weight:800;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn-primary{background:linear-gradient(135deg,var(--primary),#FFB800);color:#fff}
.btn-outline{background:#fff;border:1px solid var(--border);color:#111827}
.btn-danger{background:#dc3545;color:#fff}
.footer{background:#0b1220;color:rgba(255,255,255,.85);padding:32px 0;margin-top:24px}
.footer .cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.footer a{color:#ffd38f;text-decoration:none}
.footer small{color:rgba(255,255,255,.6)}
/* Modal */
.modal{display:none;position:fixed;inset:0;z-index:50}
.modal.active{display:block}
.modal-bg{position:absolute;inset:0;background:rgba(0,0,0,.68)}
.modal-card{position:relative;max-width:560px;margin:6vh auto;background:#fff;border-radius:18px;padding:18px;border:1px solid var(--border);box-shadow:0 20px 70px rgba(0,0,0,.35)}
.modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:10px}
.modal-head h3{font-size:18px}
.form{display:grid;gap:10px}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.input, textarea{width:100%;padding:12px 12px;border:1px solid var(--border);border-radius:12px;font-weight:700}
textarea{min-height:110px;resize:vertical}
.muted{color:var(--muted);font-weight:600}
.check{display:flex;align-items:center;gap:10px}
/* Toast */
.toast{position:fixed;top:16px;right:16px;background:#fff;border:1px solid var(--border);border-left:6px solid #16a34a;border-radius:14px;box-shadow:var(--shadow);padding:12px 14px;display:none;gap:10px;align-items:center;z-index:70}
.toast.active{display:flex}
.toast.error{border-left-color:#dc3545}
.toast .toast-message{font-weight:800}
/* Admin */
.admin-shell{display:grid;grid-template-columns:260px 1fr;min-height:100vh}
.sidebar{background:linear-gradient(135deg,#111827,#1f2937);color:#fff;padding:18px;position:sticky;top:0;height:100vh}
.sidebar .sbrand{font-weight:900;font-size:16px;margin-bottom:12px}
.sidebar nav a{display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:12px;color:rgba(255,255,255,.85);text-decoration:none;font-weight:800}
.sidebar nav a:hover,.sidebar nav a.active{background:rgba(255,255,255,.10);color:#fff;border-left:4px solid #FFB800}
.main{padding:18px}
.tab{display:none}
.tab.active{display:block}
.admin-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-bottom:12px}
.kpi{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:16px}
.kpi b{display:block;font-size:26px}
.admin-card{background:#fff;border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow);padding:14px;margin-bottom:10px}
.admin-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
.admin-actions{display:flex;gap:8px;flex-wrap:wrap}
.admin-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:8px;margin-top:8px}
@media(max-width:920px){
  .admin-shell{grid-template-columns:1fr}
  .sidebar{height:auto;position:relative}
}
@media(max-width:640px){
  .hero h1{font-size:30px}
  .form .row{grid-template-columns:1fr}
}