:root{--bg: #f1f5f9;--panel: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--accent: #3b82f6;--sidebar: #0f172a;--sidebar-muted: #94a3b8}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}.app{display:flex;min-height:100vh}.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:radial-gradient(circle at 22% 18%,#1e293b 0%,var(--sidebar) 55%,#060b16 100%)}.auth-card{width:100%;max-width:380px;background:var(--panel);border-radius:16px;padding:28px 28px 22px;box-shadow:0 24px 60px #02061773}.auth-brand{display:flex;align-items:center;gap:10px;margin-bottom:22px}.auth-brand-icon{width:38px;height:38px;flex:none;border-radius:10px;display:flex;align-items:center;justify-content:center;background:var(--sidebar);color:#38bdf8}.auth-brand-name{font-weight:700;font-size:15px}.auth-brand-sub{font-size:11px;color:var(--muted)}.auth-title{font-size:19px;margin:0 0 4px}.auth-sub{font-size:12.5px;color:var(--muted);margin:0 0 18px;line-height:1.5}.auth-sub code{background:#e2e8f0;color:var(--text);padding:1px 5px;border-radius:4px;font-size:11.5px}.auth-form{display:flex;flex-direction:column;gap:14px}.auth-form label{display:flex;flex-direction:column;gap:6px;font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}.auth-field{position:relative;display:flex;align-items:center}.auth-field-icon{position:absolute;left:11px;color:var(--muted);pointer-events:none}.auth-field input{width:100%;padding:10px 36px 10px 33px;border:1px solid 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nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;align-items:center;gap:10px;width:100%;padding:10px 12px;border:0;border-radius:8px;background:transparent;color:var(--sidebar-muted);font-size:13.5px;cursor:pointer;text-align:left;font-family:inherit}.nav-item:hover{background:#ffffff12;color:#fff}.nav-item.active{background:var(--accent);color:#fff}.sidebar-footer{font-size:11px;color:var(--sidebar-muted);padding:8px 10px 0}.sidebar-user{display:flex;align-items:center;gap:9px;margin-top:10px;padding:10px 10px 0;border-top:1px solid rgba(255,255,255,.08)}.sidebar-user-icon{flex:none;color:var(--sidebar-muted)}.sidebar-user-main{flex:1;min-width:0}.sidebar-user-email{font-size:12px;color:#e2e8f0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-sub{font-size:10.5px;color:var(--sidebar-muted)}.sidebar-signout{flex:none;width:28px;height:28px;padding:0;border:1px solid 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.kpi-icon{background:#fffbeb;color:#f59e0b}.tone-violet .kpi-icon{background:#f5f3ff;color:#8b5cf6}.tone-cyan .kpi-icon{background:#ecfeff;color:#06b6d4}.tone-rose .kpi-icon{background:#fff1f2;color:#f43f5e}.tone-indigo .kpi-icon{background:#eef2ff;color:#6366f1}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px;margin-bottom:18px}.panel h2{font-size:15px;margin:0}.panel-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px;flex-wrap:wrap}.panel .desc{font-size:12px;color:var(--muted);margin:3px 0 0}.warning-desc{color:#b45309;font-weight:500}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:1080px){.grid-2{grid-template-columns:1fr}}.vehicle-chart{display:grid;grid-template-columns:220px 1fr;gap:18px;align-items:center}@media(max-width:800px){.vehicle-chart{grid-template-columns:1fr}}.table-wrap{overflow-x:auto}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th,.data-table td{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap}.data-table th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.04em;background:#f8fafc}.data-table tbody tr:hover{background:#f8fafc}.data-table .right{text-align:right}.empty{text-align:center;color:var(--muted);padding:34px 16px;font-size:14px}.empty-icon{margin-bottom:8px;opacity:.5}.hint{font-size:12px;color:var(--muted);margin-top:8px}.hint code{background:#e2e8f0;padding:1px 5px;border-radius:4px}.error-banner{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;padding:12px 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.name{font-weight:600}.km-range{font-size:12px;color:var(--muted)}.km-dates{color:var(--muted)}.km-value{font-weight:700;font-size:15px;white-space:nowrap}.assistant-dock{position:fixed;right:24px;bottom:24px;z-index:30;display:flex;flex-direction:column;align-items:flex-end;gap:10px;max-width:calc(100vw - 24px)}.assistant-launcher{display:inline-flex;align-items:center;gap:8px;padding:11px 15px;border:0;border-radius:999px;background:#0f172a;color:#fff;box-shadow:0 10px 28px #0f172a40;font:inherit;font-size:13px;font-weight:600;cursor:pointer}.assistant-launcher:hover{background:#1e293b}.assistant-panel{width:420px;max-width:calc(100vw - 32px);height:620px;max-height:calc(100vh - 110px);display:flex;flex-direction:column;overflow:hidden;border:1px solid #cbd5e1;border-radius:16px;background:#fff;box-shadow:0 20px 55px #0f172a3d}.assistant-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 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10px}.sidebar-user{order:2;flex:none;margin-top:0;padding:0;border-top:0}.sidebar-user-sub{display:none}.sidebar-user-email{max-width:110px}.sidebar nav{order:3;flex:1 1 100%;flex-direction:row;overflow-x:auto;gap:6px;-webkit-overflow-scrolling:touch}.nav-item{width:auto;flex:none;white-space:nowrap;padding:8px 12px}.sidebar-footer{display:none}.main{padding:14px 12px 30px}.page-head{flex-direction:column;align-items:stretch}.page-head h1{font-size:18px}.filter-bar{width:100%}.filter-bar label{flex:1 1 120px;min-width:0}.filter-bar input,.filter-bar select{width:100%}.kpi-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.kpi{padding:12px 14px;gap:10px}.kpi-icon{width:34px;height:34px}.kpi-value{font-size:16px;word-break:break-word}.panel{padding:14px}.grid-2{gap:14px}}@media(max-width:480px){.kpi-grid{grid-template-columns:1fr}.assistant-dock{right:12px;bottom:12px}.assistant-panel{height:min(560px,calc(100vh - 90px))}}