:root{--bg:#f4f6fb;--card:#fff;--ink:#0f172a;--muted:#64748b;--line:#e2e8f0;--accent:#2563eb;--accent2:#1d4ed8;--danger:#dc2626;--warn:#d97706;--ok:#059669;--radius:16px}
*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}
.app{display:flex;min-height:100vh}.sidebar{width:260px;background:#0f172a;color:#e2e8f0;padding:20px 14px;display:flex;flex-direction:column;gap:16px;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:10px;align-items:center;padding:4px 8px}.brand-icon{font-size:28px;background:#1e293b;width:44px;height:44px;display:grid;place-items:center;border-radius:12px}
.brand strong{display:block;color:#fff}.brand small{color:#94a3b8}
.nav{display:flex;flex-direction:column;gap:6px}.nav-btn{text-align:left;background:transparent;border:0;color:#cbd5e1;padding:11px 12px;border-radius:10px;cursor:pointer;display:flex;justify-content:space-between;align-items:center}
.nav-btn.active,.nav-btn:hover{background:#1e293b;color:#fff}.badge{background:#334155;color:#fff;font-size:11px;padding:2px 7px;border-radius:999px}.badge.danger{background:var(--danger)}
.sidebar-card{background:#1e293b;border:1px solid #334155;border-radius:12px;padding:12px;font-size:13px}.sidebar-card a{color:#93c5fd}
.sidebar-foot{margin-top:auto;color:#64748b;font-size:12px;padding:0 8px}
.main{flex:1;min-width:0;padding:18px}.topbar{display:flex;gap:12px;align-items:center;margin-bottom:16px}
.search{flex:1;display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:9px 12px}.search input{border:0;outline:0;flex:1}
.date-pill{background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px;font-size:13px;color:var(--muted)}
.btn{border:1px solid var(--line);background:#fff;padding:10px 14px;border-radius:11px;cursor:pointer;font-weight:600}.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}.btn-dark{background:var(--ink);color:#fff;border-color:var(--ink)}.btn-light{background:#eef2ff}.btn-danger{background:#fee2e2;color:var(--danger);border-color:#fecaca}.btn.small{padding:7px 10px;font-size:13px}
.icon-btn{background:#fff;border:1px solid var(--line);border-radius:10px;padding:8px 10px;cursor:pointer}.menu-btn{display:none}
.hero{background:linear-gradient(135deg,#1e3a8a,#2563eb);color:#fff;border-radius:20px;padding:26px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.hero h1{font-size:34px;margin:6px 0}.eyebrow{opacity:.85;margin:0}.hero-sub{opacity:.9;max-width:560px}.hero-actions{display:flex;gap:10px;align-items:flex-start}
.view{display:none}.view.active{display:block}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.stat .num{font-size:28px;font-weight:800}.stat .label{color:var(--muted);font-size:13px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:14px}.card-head{display:flex;justify-content:space-between;align-items:center}.link{background:none;border:0;color:var(--accent);cursor:pointer;font-weight:600}
.vehicle-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px}.vehicle-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}.vehicle-card h4{margin:4px 0}.vehicle-card .plate{background:#eef2ff;color:#3730a3;padding:3px 8px;border-radius:999px;font-size:12px;font-weight:700}
.page-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:flex-start}.filters{display:flex;gap:10px;margin:14px 0;flex-wrap:wrap}.filters input,.filters select,select,input,textarea{border:1px solid var(--line);border-radius:10px;padding:10px 11px;background:#fff}
.tabs{display:flex;gap:8px;margin:12px 0}.tab{border:1px solid var(--line);background:#fff;padding:8px 13px;border-radius:999px;cursor:pointer}.tab.active{background:var(--ink);color:#fff}
.rem-item,.maint-item,.activity-item{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}.rem-item:last-child,.maint-item:last-child{border:0}
.pill{font-size:11px;font-weight:800;padding:4px 8px;border-radius:999px}.pill.over{background:#fee2e2;color:#991b1b}.pill.soon{background:#fef3c7;color:#92400e}.pill.ok{background:#d1fae5;color:#065f46}.pill.done{background:#e2e8f0;color:#475569}
.empty{text-align:center;padding:48px 16px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius)}.empty-icon{font-size:42px}.hidden{display:none}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.55);display:none;place-items:center;padding:16px;z-index:20}.modal-backdrop.open{display:grid}.modal{background:#fff;width:min(560px,100%);border-radius:18px;padding:18px;max-height:90vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:center}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:12px}.field label{font-size:13px;font-weight:700;color:var(--muted)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:14px}
.toast{position:fixed;bottom:18px;right:18px;background:#0f172a;color:#fff;padding:12px 16px;border-radius:12px;display:none;z-index:30}.toast.show{display:block}
.scrim{display:none}.muted{color:var(--muted)}.small{font-size:12px}.row{display:flex;gap:10px;flex-wrap:wrap}.steps li{margin:6px 0}
@media(max-width:900px){.sidebar{position:fixed;left:-280px;z-index:15;transition:.2s}.sidebar.open{left:0}.scrim{position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:14}.scrim.show{display:block}.menu-btn{display:block}.stats{grid-template-columns:1fr 1fr}.grid-2{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}}