:root{--nav:#101b2c;--nav2:#18263a;--blue:#2878f0;--green:#13b878;--ink:#111827;--muted:#66758f;--line:#e5eaf1;--bg:#f4f7fb}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.sidebar{position:fixed;inset:0 auto 0 0;width:255px;background:linear-gradient(180deg,var(--nav),#0d1725);color:white;padding:22px 12px}.brand{display:flex;align-items:center;gap:11px;padding:0 13px 24px;font-size:25px;font-weight:800}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border:2px solid #c8d4e5;border-radius:11px;font-size:24px}.brand span{color:#3989ff}.tagline{font-size:9px;letter-spacing:1.4px;color:#9fb0c7;margin-top:2px}.nav a{display:flex;align-items:center;gap:12px;padding:12px 14px;margin:3px 0;border-radius:9px;color:#e1e7f0;font-size:15px}.nav a:hover{background:var(--nav2)}.nav a.active{background:linear-gradient(135deg,#348cff,#1d6ee5);box-shadow:0 7px 18px #0b5fce55}.nav-icon{width:23px;text-align:center;font-size:18px}.main{margin-left:255px;min-height:100vh}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 26px;position:sticky;top:0;z-index:10}.search{width:min(420px,45vw);background:#f1f4f8;border-radius:9px;padding:11px 15px;color:#718096}.top-actions{display:flex;align-items:center;gap:18px}.primary{background:var(--green);color:#fff;border:0;border-radius:8px;padding:11px 17px;font-weight:700;cursor:pointer}.avatar{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:#68778d;color:#fff}.content{padding:22px 26px 36px}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:18px}.page-heading h1{font-size:28px;margin:0 0 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#223b5c22}.vehicle-photo{height:155px;background:linear-gradient(135deg,#d8e5f6,#edf3fa);position:relative;display:grid;place-items:center;overflow:hidden}.vehicle-photo img{width:100%;height:100%;object-fit:cover}.photo-placeholder{font-size:48px;color:#7b92b2}.badge{position:absolute;right:8px;bottom:8px;background:#16a34a;color:#fff;border-radius:999px;padding:4px 8px;font-size:11px;font-weight:700}.vehicle-body{padding:11px}.vehicle-name{font-weight:750;font-size:14px;margin-bottom:7px}.vehicle-meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;gap:6px}.stock-id{color:#718096}.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.quick{padding:17px 8px;border-radius:10px;text-align:center;font-size:12px;background:#eaf3ff;color:#1f5fbf}.quick:nth-child(2){background:#e8f8f1;color:#087a4c}.two-col{display:grid;grid-template-columns:2fr 1fr;gap:14px}.detail-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:14px}.photo-hero{height:340px;border-radius:10px;overflow:hidden;background:#e7eef7;display:grid;place-items:center}.photo-hero img{width:100%;height:100%;object-fit:cover}.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:8px}.gallery img{width:100%;height:78px;object-fit:cover;border-radius:7px}.facts{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.fact{padding:12px;background:#f7f9fc;border-radius:8px}.fact-label{font-size:11px;color:var(--muted);text-transform:uppercase}.fact-value{font-weight:700;margin-top:4px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field.full{grid-column:1/-1}label{font-size:13px;font-weight:700;color:#344054}input,select{width:100%;padding:11px 12px;border:1px solid #cfd8e5;border-radius:8px;font:inherit;background:#fff}.actions{display:flex;justify-content:flex-end;gap:10px;margin-top:16px}.secondary{border:1px solid #cfd8e5;background:#fff;padding:10px 15px;border-radius:8px}.cost-table{width:100%;border-collapse:collapse}.cost-table th,.cost-table td{text-align:left;padding:11px;border-bottom:1px solid var(--line);font-size:13px}.cost-table th{color:var(--muted);font-size:11px;text-transform:uppercase}.money{text-align:right!important;font-weight:700}.empty{text-align:center;color:var(--muted);padding:38px 10px}.upload{border:2px dashed #b9c7da;border-radius:10px;padding:18px;text-align:center;background:#f8fbff}.alert{padding:11px;border-radius:8px;background:#eef6ff;color:#245b9e}@media(max-width:1100px){.stock-grid{grid-template-columns:repeat(2,1fr)}.metrics{grid-template-columns:repeat(2,1fr)}.two-col,.detail-grid{grid-template-columns:1fr}}@media(max-width:760px){.sidebar{position:static;width:100%;min-height:auto}.main{margin-left:0}.topbar{position:static}.search{display:none}.content{padding:18px}.stock-grid,.metrics,.form-grid{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.page-heading{align-items:flex-start;flex-direction:column}}