:root{--bg:#f7f8fa;--panel:#fff;--line:#dfe3e8;--text:#1b2430;--muted:#687386;--blue:#3157c8;--side:#eef1f5;--warn:#fff4c2}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:14px}.app-shell{display:flex;min-height:100vh}.sidebar{width:210px;background:var(--side);border-right:1px solid var(--line);padding:18px 14px;position:fixed;inset:0 auto 0 0;overflow:auto}.brand{font-size:25px;font-weight:800;margin-bottom:14px}.brand span{font-weight:700}.brand small{display:block;font-size:10px;letter-spacing:.12em;color:#7b8492}.searchbox{background:#fff;border:1px solid var(--line);border-radius:7px;padding:8px 10px;color:var(--muted);display:flex;justify-content:space-between}.searchbox kbd{font-size:10px}.menu-title{font-size:11px;text-transform:uppercase;color:#8a93a1;margin:18px 8px 8px}.sidebar nav a,.nav-group{display:block;padding:8px 10px;border-radius:6px;text-decoration:none;color:#344052;margin:2px 0}.sidebar nav a:hover,.sidebar nav a.active{background:#c9d4e3;color:#1d2735}.sidebar nav a.sub{padding-left:26px}.nav-group{font-weight:600}.logout{margin-top:20px}.main{margin-left:210px;width:calc(100% - 210px)}.demo-banner{background:#fff2bd;border-bottom:1px solid #eccb5d;padding:10px 22px}.topbar{height:54px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px}.credits{border:1px solid var(--line);padding:7px 10px;border-radius:7px;margin-right:10px}.content{padding:28px;max-width:1540px;margin:0 auto}.page-title{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.page-title h1{font-size:28px;margin:0}.page-title p{color:var(--muted);margin:6px 0 0}.panel{border:1px solid var(--line);border-radius:8px;padding:20px;background:var(--panel);box-shadow:none}.hero-grid,.invoice-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:16px}.invoice-layout{grid-template-columns:2fr 1fr}.welcome-card{border-radius:8px;padding:34px;color:#fff;background:linear-gradient(135deg,#17243a,#3b4658);min-height:220px}.welcome-card h2{font-size:30px;max-width:520px}.empty{color:var(--muted);text-align:center;padding:45px 15px}.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stat-grid>div{border:1px solid var(--line);padding:16px;border-radius:7px;background:#fff}.stat-grid small,.detail-grid small{display:block;color:var(--muted)}.stat-grid b{font-size:24px;display:block;margin-top:4px}.section-head{display:flex;justify-content:space-between;align-items:center;margin:24px 0 12px}.section-head a{color:var(--blue);text-decoration:none}.vehicle-cards,.customer-grid,.deal-grid,.tools-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.customer-grid,.deal-grid{grid-template-columns:repeat(4,minmax(240px,1fr))}.tools-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vehicle-card{display:block;text-decoration:none;color:inherit;border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}.vehicle-card h5,.vehicle-card dl,.vehicle-card>.badge,.vehicle-card>.status{margin-left:15px;margin-right:15px}.vehicle-placeholder,.vehicle-photo{min-height:170px;background:radial-gradient(circle at 50% 50%,#39424e,#181b20);display:flex;align-items:center;justify-content:center;font-size:70px}.vehicle-photo{min-height:360px;border-radius:8px}.vehicle-card h5{margin-top:14px}.vehicle-card dl,.customer-card dl{display:grid;grid-template-columns:1fr 1fr;margin-top:12px;padding-bottom:12px;color:#5e6775}.vehicle-card dt,.customer-card dt{font-weight:500}.vehicle-card dd,.customer-card dd{text-align:right;margin:0}.status{display:inline-block;padding:3px 8px;border-radius:5px;font-size:12px;background:#eef1f5}.status-in_stock,.status-sold{background:#dff6e8;color:#1c7b47}.status-sales_process{background:#dfe9ff;color:#3157c8}.status-unknown{background:#fff0bd;color:#7d6300}.toolbar{display:flex;justify-content:space-between;gap:16px;margin-bottom:14px}.toolbar form{flex:1}.detail-grid,.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.detail-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.detail-grid b{display:block;margin-top:3px}.vehicle-hero{display:grid;grid-template-columns:1.15fr 1fr;gap:18px}.form-grid label{font-size:12px;color:#586272;margin-bottom:5px}.span-2{grid-column:span 2}.deal-card small{font-size:10px;color:var(--muted)}.vehicle-mini{border:1px solid var(--line);border-radius:6px;padding:12px;margin:10px 0}.kanban{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.kanban-col{min-height:360px;border:1px solid #cad6f2;background:#f4f7ff;padding:10px;border-radius:8px}.kanban-col[data-status=doing]{background:#fff8ed;border-color:#f0d7ad}.kanban-col[data-status=waiting]{background:#fff2f4;border-color:#f0c0c8}.kanban-col[data-status=done]{background:#eefaf5;border-color:#bce6d3}.kanban-title{font-weight:700;padding:6px}.task-card{background:#fff;border:1px solid var(--line);border-radius:7px;padding:12px;margin:8px 0;cursor:grab}.task-card p{color:var(--muted);margin:5px 0}.trip-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}.trip-row:last-child{border-bottom:0}.login-wrap{min-height:100vh;display:grid;place-items:center;background:#eef1f5}.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);padding:34px;border-radius:12px}.login-card h1{font-size:30px}.nav-tabs .nav-link{color:#5d6674}.nav-tabs .nav-link.active{color:var(--blue)}
@media(max-width:1100px){.vehicle-cards,.customer-grid,.deal-grid{grid-template-columns:repeat(2,1fr)}.kanban{grid-template-columns:repeat(2,1fr)}.stat-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:780px){.sidebar{position:static;width:100%}.app-shell{display:block}.main{margin:0;width:100%}.hero-grid,.invoice-layout,.vehicle-hero,.tools-grid,.form-grid,.detail-grid{grid-template-columns:1fr}.span-2{grid-column:auto}.vehicle-cards,.customer-grid,.deal-grid,.kanban{grid-template-columns:1fr}.content{padding:18px}.topbar{padding:0 16px}}