:root{--bg:#f6f7f9;--panel:#fff;--ink:#111827;--muted:#667085;--line:#e5e7eb;--dark:#0f172a;--accent:#111827;--soft:#eef2f7;--radius:20px;--shadow:0 8px 30px rgba(15,23,42,.06)}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:20}.brand-wrap{display:flex;gap:12px;align-items:center}.brand-wrap span{display:block;font-size:12px;color:var(--muted);margin-top:2px}.logo{width:40px;height:40px;border-radius:12px;background:var(--dark);color:#fff;display:grid;place-items:center;font-weight:800}.top-actions,.row{display:flex;gap:10px;align-items:center}.app-shell{display:grid;grid-template-columns:220px 1fr;min-height:calc(100vh - 72px)}.sidebar{border-right:1px solid var(--line);background:#fff;padding:24px 12px;position:sticky;top:72px;height:calc(100vh - 72px)}.nav{width:100%;border:0;background:transparent;text-align:left;padding:12px 14px;border-radius:12px;color:#475467;cursor:pointer;margin-bottom:6px}.nav.active,.nav:hover{background:#111827;color:#fff}main{padding:28px;max-width:1500px;width:100%;margin:auto}.view{display:none}.active-view{display:block}.hero{background:linear-gradient(135deg,#fff,#eef2f7);border:1px solid var(--line);border-radius:28px;padding:32px;display:flex;gap:24px;align-items:flex-end;justify-content:space-between;box-shadow:var(--shadow)}h1{font-size:34px;line-height:1.08;margin:4px 0 10px;max-width:760px}h2{margin:4px 0 12px;font-size:22px}.hero p{max-width:820px;color:var(--muted);line-height:1.6}.eyebrow{font-size:11px;letter-spacing:.14em;font-weight:800;color:#667085;margin:0}.btn{border:0;border-radius:12px;padding:10px 14px;cursor:pointer;font-weight:700}.btn-primary{background:#111827;color:white}.btn-secondary{background:#e8edf4;color:#111827}.btn-ghost{background:transparent;color:#475467}.btn-large{padding:14px 20px;white-space:nowrap}.metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin:18px 0}.metric,.panel,.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.metric{padding:18px}.metric span,.metric small{display:block;color:var(--muted)}.metric strong{display:block;font-size:25px;margin:8px 0}.two-col{display:grid;grid-template-columns:1.3fr 1fr;gap:16px}.panel{padding:20px}.stack{display:grid;gap:10px}.empty-state{color:var(--muted);padding:18px 0}.opportunity{border:1px solid var(--line);border-radius:16px;padding:16px;background:#fff}.opp-head{display:flex;justify-content:space-between;gap:12px}.pill{font-size:11px;font-weight:800;padding:6px 9px;border-radius:999px;background:#eef2f7;white-space:nowrap}.impact{font-size:19px;font-weight:800;margin-top:8px}.reason{color:var(--muted);font-size:14px;line-height:1.5}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:16px}.form-panel{margin-bottom:14px}.hidden{display:none}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:12px}input,select{width:100%;padding:11px 12px;border:1px solid #d0d5dd;border-radius:11px;background:#fff}.import-panel{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}.muted{color:var(--muted);font-size:13px}.table-wrap{overflow:auto;padding:0}table{width:100%;border-collapse:collapse;min-width:950px}th,td{text-align:left;padding:13px;border-bottom:1px solid var(--line);font-size:13px}th{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.card{padding:18px}.card strong{font-size:17px}.card-meta{display:grid;gap:6px;margin-top:12px;color:var(--muted);font-size:13px}.status{display:inline-flex;font-size:11px;font-weight:800;border-radius:999px;padding:6px 8px;background:#eef2f7;margin-top:8px}.sim-result{margin-top:18px;padding:18px;border-radius:16px;background:#f1f5f9}.sim-result span{display:block;color:var(--muted);font-size:13px}.sim-result strong{display:block;font-size:28px;margin-top:6px}.summary-text{line-height:1.7;color:#475467;margin-bottom:16px;white-space:pre-line}.mobile-nav{display:none}.danger-text{color:#b42318}.good-text{color:#027a48}@media(max-width:1050px){.metric-grid{grid-template-columns:repeat(3,1fr)}.form-grid{grid-template-columns:repeat(2,1fr)}.card-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.topbar{padding:0 14px}.brand-wrap span{display:none}.top-actions .btn-ghost{display:none}.app-shell{display:block}.sidebar{display:none}main{padding:16px 12px 88px}.hero{padding:22px;display:block}.hero .btn{margin-top:10px;width:100%}h1{font-size:28px}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric{padding:14px}.metric strong{font-size:21px}.two-col,.card-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.section-head{align-items:flex-start}.import-panel{display:block}.import-panel input{margin-top:10px}.mobile-nav{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);z-index:30;padding:7px 6px calc(7px + env(safe-area-inset-bottom))}.mobile-nav .nav{padding:9px 4px;text-align:center;font-size:12px;margin:0}.top-actions .btn-secondary{font-size:12px;padding:9px 10px}}

.full-span{grid-column:1/-1}.vehicle-picker{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafbfc}.picker-tabs{display:flex;gap:8px;margin-bottom:10px}.picker-tab{border:1px solid var(--line);background:#fff;color:#475467;border-radius:10px;padding:8px 11px;font-weight:700;cursor:pointer}.picker-tab.active{background:#111827;color:#fff;border-color:#111827}.picker-catalog{display:grid;grid-template-columns:1fr 2fr;gap:10px}.picker-manual input{background:#fff}.vehicle-note{font-size:12px;color:var(--muted);margin-top:8px}@media(max-width:760px){.picker-catalog{grid-template-columns:1fr}.picker-tabs{width:100%}.picker-tab{flex:1}}
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px}.tool-panel{min-height:260px}.tool-title{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px}.tool-title h2{margin:0 0 4px}.tool-title p{margin:0;color:var(--muted);font-size:13px;line-height:1.45}.tool-icon{width:32px;height:32px;border-radius:10px;background:#111827;color:#fff;display:grid;place-items:center;font-size:11px;font-weight:800;flex:0 0 auto}.mini-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:9px;margin:10px 0}.tool-result{margin-top:14px;padding:14px;border:1px solid var(--line);border-radius:14px;background:#fafbfc;line-height:1.55;min-height:60px}.result-card{border:1px solid var(--line);border-radius:12px;padding:12px;margin-top:8px;background:#fff}.result-card strong{display:block;margin-bottom:4px}.result-kpi{font-size:22px;font-weight:800}.result-meta{font-size:12px;color:var(--muted);margin-top:4px}.intelligence-row{margin-top:16px}.risk-high{border-left:4px solid #b42318}.risk-med{border-left:4px solid #b54708}.risk-low{border-left:4px solid #027a48}@media(max-width:900px){.tool-grid{grid-template-columns:1fr}}@media(max-width:760px){.mobile-nav{grid-template-columns:repeat(6,1fr)}.mini-grid{grid-template-columns:1fr}.tool-panel{min-height:auto}}

/* Access / demo gate */
.access-gate{position:fixed;inset:0;z-index:100;background:radial-gradient(circle at 20% 10%,#eef2f7,transparent 35%),#f6f7f9;display:grid;place-items:center;padding:24px}.access-gate.hidden{display:none}.access-card{width:min(720px,100%);background:#fff;border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:0 28px 80px rgba(15,23,42,.14)}.access-brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.access-brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}.access-logo{width:46px;height:46px}.access-copy{color:var(--muted);line-height:1.6;max-width:600px}.access-actions{display:grid;grid-template-columns:1.4fr 1fr;gap:10px;margin:24px 0 16px}.access-actions .btn:last-child{grid-column:1/-1}.btn-xl{padding:15px 18px;text-align:left}.btn-xl small{display:block;font-weight:500;opacity:.72;margin-top:3px}.login-panel{margin-top:20px;border-top:1px solid var(--line);padding-top:20px}.login-panel input{margin-bottom:10px}.access-foot{font-size:12px;color:var(--muted);margin:18px 0 0}.demo-badge{font-size:11px;font-weight:800;padding:6px 9px;border-radius:999px;background:#ecfdf3;color:#027a48}
@media(max-width:760px){.access-card{padding:24px}.access-actions{grid-template-columns:1fr}.access-actions .btn:last-child{grid-column:auto}}

/* Clickable fleet cards + asset detail modal */
.asset-card{cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;position:relative}
.asset-card:hover{transform:translateY(-2px);box-shadow:0 14px 34px rgba(15,23,42,.10);border-color:#cbd5e1}
.asset-card:focus{outline:3px solid rgba(15,23,42,.16);outline-offset:2px}
.asset-card .card-hint{margin-top:12px;font-size:12px;font-weight:700;color:#475467}
.asset-modal{position:fixed;inset:0;z-index:120;display:flex;justify-content:flex-end}
.asset-modal.hidden{display:none}
.asset-modal-backdrop{position:absolute;inset:0;background:rgba(15,23,42,.38);backdrop-filter:blur(2px)}
.asset-modal-panel{position:relative;width:min(460px,94vw);height:100%;background:#fff;padding:26px;box-shadow:-18px 0 50px rgba(15,23,42,.18);overflow:auto}
.asset-modal-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:18px}
.icon-btn{border:0;background:#eef2f7;width:36px;height:36px;border-radius:11px;font-size:23px;line-height:1;cursor:pointer}
.asset-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:14px 0}
.asset-detail{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fafbfc}
.asset-detail span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:5px}
.asset-detail strong{font-size:14px}
.asset-modal-actions{display:grid;gap:10px;margin-top:18px}
.asset-modal-actions .btn{width:100%;text-align:center}
@media(max-width:760px){.asset-modal-panel{width:100%;height:min(86vh,780px);margin-top:auto;border-radius:24px 24px 0 0}.asset-modal{align-items:flex-end}.asset-detail-grid{grid-template-columns:1fr 1fr}}