:root{--bg:#111214;--surface:#1a1c20;--surface-2:#22252a;--line:#343840;--text:#f5f0e8;--muted:#9da2ad;--accent:#d6a05e;--accent-2:#f0bd78;--danger:#e27d73}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 70% -10%,#2f2a24 0,#111214 44%);color:var(--text);font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;min-height:100vh}button,input,textarea{font:inherit}button{cursor:pointer}h1,h2,h3,p{margin:0}.hidden{display:none!important}.eyebrow{color:var(--accent);font-size:11px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.muted,.side-note,.secure-note{color:var(--muted)}.login-shell{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:rgba(26,28,32,.94);border:1px solid var(--line);border-radius:24px;padding:40px;box-shadow:0 24px 80px #0007}.login-card h1{font-size:42px;line-height:1.08;margin:12px 0 16px}.login-card h1 span{color:var(--accent);font-size:.55em}.login-card p{color:var(--muted);margin-bottom:28px}.secure-note{font-size:12px;margin-top:18px}.topbar{height:82px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 32px;background:#151619e8;backdrop-filter:blur(16px)}.topbar h1{font-size:20px}.topbar h1 span{color:var(--accent);font-weight:400}.top-actions{display:flex;align-items:center;gap:18px}.layout{display:grid;grid-template-columns:230px minmax(0,1fr);max-width:1440px;margin:0 auto}.sidebar{border-right:1px solid var(--line);min-height:calc(100vh - 82px);padding:24px 16px;display:flex;flex-direction:column;gap:8px}.nav-item{background:transparent;border:0;border-radius:10px;color:var(--muted);padding:12px 14px;text-align:left}.nav-item.active,.nav-item:hover{background:var(--surface-2);color:var(--text)}.nav-item.active{color:var(--accent-2)}.side-note{font-size:12px;line-height:1.7;margin:24px 12px}.content{padding:34px;max-width:1100px;width:100%}.panel{display:none}.panel.active{display:block}.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.section-heading h2{font-size:28px;margin-top:4px}.primary,.ghost{border-radius:10px;padding:10px 16px;border:1px solid transparent}.primary{background:var(--accent);color:#1b1712;font-weight:700}.primary:hover{background:var(--accent-2)}.ghost{background:transparent;color:var(--text);border-color:var(--line)}.ghost:hover{border-color:var(--accent);color:var(--accent-2)}.wide{width:100%;margin-top:12px}.vehicle-list{display:grid;gap:12px}.vehicle-card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;grid-template-columns:1fr auto;gap:14px}.vehicle-card.off{opacity:.56}.vehicle-card h3{font-size:17px}.vehicle-meta{color:var(--muted);font-size:12px;margin-top:6px}.vehicle-price{color:var(--accent-2);font-size:21px;font-weight:700}.vehicle-price small{font-size:12px;font-weight:400;color:var(--muted)}.vehicle-actions{display:flex;align-items:center;gap:8px}.small-btn{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:8px;padding:6px 10px}.small-btn:hover{border-color:var(--accent);color:var(--accent-2)}.editor{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:22px;margin-top:20px}.editor.always-visible{margin-top:0}.editor-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.editor-heading h3{font-size:18px}.icon-btn{border:0;background:transparent;color:var(--muted);font-size:24px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.form-grid label{display:grid;gap:6px;color:var(--muted);font-size:12px}.form-grid input,.form-grid textarea{width:100%;border:1px solid var(--line);border-radius:9px;background:#111317;color:var(--text);padding:10px 11px;outline:none}.form-grid input:focus,.form-grid textarea:focus{border-color:var(--accent)}.span-2{grid-column:span 2}.switch-row{display:flex!important;align-items:center;grid-template-columns:auto 1fr!important;display:flex!important;gap:8px!important}.switch-row input{width:16px!important}.editor-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.toast{position:fixed;right:22px;top:22px;z-index:5;background:#2b3038;color:var(--text);border:1px solid var(--line);padding:11px 15px;border-radius:10px;opacity:0;transform:translateY(-10px);transition:.2s;pointer-events:none}.toast.show{opacity:1;transform:translateY(0)}.toast.error{border-color:var(--danger);color:#ffd0cb}@media(max-width:760px){.topbar{padding:0 16px}.top-actions .muted{display:none}.layout{display:block}.sidebar{min-height:0;border-right:0;border-bottom:1px solid var(--line);display:flex;flex-direction:row;padding:10px 16px}.side-note{display:none}.nav-item{flex:1;text-align:center}.content{padding:22px 16px}.form-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.login-card{padding:28px}.login-card h1{font-size:34px}}

.image-preview{display:block;max-width:100%;width:320px;height:200px;object-fit:contain;border-radius:12px;background:#f3f4f6;margin:12px 0}.image-preview.hidden{display:none}.image-upload{min-width:0}.image-upload input[type=file]{max-width:100%;padding:12px}button:disabled{opacity:.5;cursor:wait}