.app-shell{min-height:100vh;background:var(--bg-page);color:var(--text-primary)}.auth-loading-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,rgba(0,215,182,.16),transparent 28%),var(--bg-page)}.app-header{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:12px 20px;background:var(--bg-header);border-bottom:1px solid var(--border)}.app-brand{display:flex;flex-direction:column;gap:2px}.app-title{margin:0;font-size:18px;letter-spacing:.2px}.app-subtitle{font-size:12px;color:var(--text-muted)}.header-spacer{flex:1 1 auto}.theme-toggle{border:1px solid var(--border);background:var(--bg-panel);color:var(--text-secondary);border-radius:8px;cursor:pointer;min-width:64px;height:36px;padding:0 12px}.session-meta{display:flex;gap:10px;flex-wrap:wrap}.meta-chip{font-size:12px;color:var(--text-secondary);background:var(--bg-panel);border:1px solid var(--border);border-radius:9px;padding:6px 9px}.meta-label{color:var(--text-muted);margin-right:6px}.user-chip{display:inline-flex;align-items:center;gap:10px;padding:6px 10px;border:1px solid var(--border);border-radius:12px;background:var(--bg-panel);min-height:44px}.user-avatar,.user-avatar-fallback{width:30px;height:30px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.user-avatar{object-fit:cover}.user-avatar-fallback{background:var(--accent-soft);color:var(--text-primary);font-size:13px;font-weight:700}.user-chip-copy{display:flex;flex-direction:column;gap:2px}.user-chip-copy strong{font-size:13px}.user-chip-copy span{font-size:11px;color:var(--text-muted)}.secondary-btn{border:1px solid var(--border);background:var(--bg-panel);color:var(--text-secondary);border-radius:8px;cursor:pointer;height:36px;padding:0 12px;font-size:12px;font-weight:700}.tab-strip{background:var(--bg-header);border-bottom:1px solid var(--border);padding:0 20px;display:flex;gap:4px}.tab-btn{border:0;background:transparent;color:var(--text-muted);font-size:13px;font-weight:700;letter-spacing:.2px;padding:11px 16px;border-bottom:2px solid transparent;cursor:pointer}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent)}.tab-btn.disabled{opacity:.35;cursor:not-allowed}.workspace{display:grid;grid-template-columns:360px 1fr;gap:14px;padding:14px 20px 20px}.left-rail{min-width:0;max-height:calc(100vh - 136px);overflow:auto;display:flex;flex-direction:column;gap:12px;padding-right:4px}.main-pane{min-width:0;display:flex;flex-direction:column;gap:14px}.panel-trackmap{flex-shrink:0}.panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:10px;padding:10px}.panel-timedelta{flex-shrink:0;padding:8px 6px}.panel-chart{padding:8px 6px}.panel-title{color:var(--text-secondary);font-size:12px;font-weight:700;letter-spacing:.2px;margin-bottom:8px}.empty-root{padding:80px 20px;color:var(--text-muted);text-align:center}.empty-panel{padding:48px 20px;color:var(--text-muted);text-align:center;font-size:14px}.loading-overlay{position:fixed;inset:0;z-index:9999;display:flex;align-items:center;justify-content:center;background:var(--bg-overlay);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.loading-content{text-align:center}.loading-spinner{width:40px;height:40px;margin:0 auto 14px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:app-spin .7s linear infinite}.loading-text{font-size:15px;font-weight:700;color:var(--text-secondary)}.view-toast{position:fixed;right:14px;bottom:14px;z-index:9998;background:var(--bg-toast);color:var(--text-primary);border:1px solid var(--border);border-radius:9px;padding:8px 12px;font-size:12px}.lap-selector{display:flex;flex-direction:column;gap:8px}.compare-toggle{display:flex;align-items:center;gap:7px;font-size:12px;font-weight:700;color:var(--text-secondary);cursor:pointer}.lap-card-list{display:flex;flex-direction:column;gap:7px;max-height:280px;overflow-y:auto}.lap-card{width:100%;text-align:left;border:1px solid var(--border);border-radius:10px;background:var(--bg-surface);color:var(--text-primary);padding:8px 10px}button.lap-card{cursor:pointer}.lap-card.compare{padding:10px}.lap-card.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent-soft)}.lap-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.lap-card-title{font-size:13px;font-weight:700}.lap-card-time{font-size:13px;color:var(--accent);font-weight:700}.lap-card-meta{margin-top:4px;font-size:11px;color:var(--text-muted)}.compare-hint{font-size:11px;color:var(--text-muted);margin:2px 0 4px}.lap-card-bottom{margin-top:7px;display:flex;align-items:center;justify-content:space-between;gap:8px}.compare-actions{display:inline-flex;gap:6px}.compare-badge{width:24px;height:22px;border:1px solid var(--border);background:var(--bg-panel);color:var(--text-secondary);border-radius:6px;font-size:11px;font-weight:700;cursor:pointer}.compare-badge.active.a{border-color:#00d7b6;color:#00d7b6}.compare-badge.active.b{border-color:#d9dee3;color:#d9dee3}.login-shell{position:relative;min-height:100vh;overflow:hidden;background:radial-gradient(circle at top left,rgba(0,215,182,.18),transparent 32%),radial-gradient(circle at bottom right,rgba(13,148,136,.16),transparent 28%),var(--bg-page)}.login-backdrop{position:absolute;inset:0;pointer-events:none}.login-orb{position:absolute;border-radius:999px;filter:blur(12px);opacity:.6}.login-orb.orb-a{width:320px;height:320px;top:-80px;left:-60px;background:#00d7b62e}.login-orb.orb-b{width:420px;height:420px;right:-120px;bottom:-160px;background:#496bff1f}.login-grid-lines{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:42px 42px;-webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 80%);mask-image:linear-gradient(to bottom,rgba(0,0,0,.35),transparent 80%)}.login-topbar{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px 0}.login-brand{display:flex;align-items:center;gap:12px}.login-brand-mark{width:42px;height:42px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--accent),rgba(73,107,255,.9));color:#081018;font-size:13px;font-weight:800;letter-spacing:.6px}.login-brand-title{font-size:14px;font-weight:800}.login-brand-subtitle{font-size:12px;color:var(--text-muted)}.login-main{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,420px);gap:28px;align-items:center;max-width:1180px;margin:0 auto;padding:52px 24px 40px}.login-hero{display:flex;flex-direction:column;gap:18px}.login-eyebrow{color:var(--accent);font-size:12px;font-weight:800;letter-spacing:.24em;text-transform:uppercase}.login-title{margin:0;font-size:clamp(38px,6vw,64px);line-height:.96;letter-spacing:-.03em;max-width:700px}.login-copy{max-width:660px;color:var(--text-secondary);font-size:16px;line-height:1.7}.login-stat-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:10px}.login-stat-card{padding:16px;border:1px solid var(--border);border-radius:16px;background:color-mix(in srgb,var(--bg-panel) 82%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.login-stat-value{font-size:22px;font-weight:800}.login-stat-label{margin-top:4px;color:var(--text-muted);font-size:12px}.login-feature-list{display:flex;flex-direction:column;gap:12px;margin-top:8px}.login-feature-item{display:flex;align-items:center;gap:10px;color:var(--text-secondary);font-size:14px}.login-feature-dot{width:8px;height:8px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 6px #00d7b61f}.login-card{position:relative;padding:28px;border:1px solid var(--border);border-radius:24px;background:color-mix(in srgb,var(--bg-panel) 88%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);box-shadow:0 24px 80px #00000040}.login-card-header{display:flex;flex-direction:column;gap:8px}.login-card-header h2{margin:0;font-size:28px}.login-card-header p{color:var(--text-secondary);font-size:14px;line-height:1.6}.login-card-kicker{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.18em;text-transform:uppercase}.google-login-btn{width:100%;margin-top:22px;border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,rgba(255,255,255,.05),transparent),var(--bg-surface);color:var(--text-primary);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:12px;min-height:54px;padding:0 18px;font-size:14px;font-weight:700}.google-login-btn:disabled{cursor:not-allowed;opacity:.6}.google-login-mark{width:28px;height:28px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#202124;font-size:15px;font-weight:800}.login-card-note{margin-top:14px;color:var(--text-muted);font-size:12px;line-height:1.6}.login-alert{margin-top:14px;padding:12px 14px;border-radius:12px;font-size:13px;line-height:1.5}.login-alert-warning{border:1px solid rgba(245,158,11,.28);background:#f59e0b1a;color:#f5c66a}.login-alert-error{border:1px solid rgba(248,113,113,.24);background:#f871711a;color:#ffb4b4}@media(max-width:1080px){.login-main{grid-template-columns:1fr;padding-top:32px}.login-title{max-width:100%}}@media(max-width:720px){.workspace{grid-template-columns:1fr}.left-rail{max-height:none}.login-topbar{padding:16px 16px 0}.login-main{padding:28px 16px 24px}.login-stat-row{grid-template-columns:1fr}.login-card{padding:22px}}.sessions-workspace{padding:20px;max-width:1200px;margin:0 auto}.sl-root{display:flex;flex-direction:column;gap:20px}.sl-loading{padding:80px 20px;text-align:center}.sl-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap}.sl-title{margin:0;font-size:22px;font-weight:800}.sl-subtitle{margin:4px 0 0;color:var(--text-muted);font-size:13px}.sl-error{padding:12px 14px;border-radius:10px;border:1px solid rgba(248,113,113,.24);background:#f871711a;color:#ffb4b4;font-size:13px}.sl-pending-banner{padding:10px 14px;border-radius:10px;border:1px solid rgba(245,158,11,.28);background:#f59e0b14;color:#f5c66a;font-size:13px;font-weight:600}.sl-combos{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.sl-combo-card{text-align:left;border:1px solid var(--border);border-radius:14px;background:var(--bg-panel);color:var(--text-primary);padding:18px;cursor:pointer;display:flex;flex-direction:column;gap:6px;transition:border-color .15s}.sl-combo-card:hover{border-color:var(--accent)}.sl-combo-track{font-size:15px;font-weight:700}.sl-combo-vehicle{font-size:13px;color:var(--text-secondary)}.sl-combo-stats{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted);margin-top:4px}.sl-combo-dot{width:4px;height:4px;border-radius:999px;background:var(--text-muted)}.sl-combo-date{font-size:11px;color:var(--text-muted);margin-top:2px}.sl-empty{grid-column:1 / -1;padding:48px 20px;text-align:center;color:var(--text-muted);font-size:14px}.sl-sessions-view{display:flex;flex-direction:column;gap:14px}.sl-back-btn{align-self:flex-start;border:1px solid var(--border);background:var(--bg-panel);color:var(--text-secondary);border-radius:8px;cursor:pointer;padding:6px 14px;font-size:13px;font-weight:600}.sl-sessions-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}.sl-session-card{text-align:left;border:1px solid var(--border);border-radius:12px;background:var(--bg-surface);color:var(--text-primary);padding:14px 16px;cursor:pointer;display:flex;flex-direction:column;gap:6px;transition:border-color .15s}.sl-session-card:hover{border-color:var(--accent)}.sl-session-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.sl-session-date{font-size:13px;font-weight:700}.sl-session-best{font-size:13px;color:var(--accent);font-weight:700}.sl-session-info{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-muted)}.sl-session-id{font-size:11px;color:var(--text-muted);font-family:monospace}@keyframes app-spin{to{transform:rotate(360deg)}}:root,[data-theme=dark]{--bg-page: #0b0f16;--bg-panel: #111722;--bg-header: #0f1520;--bg-surface: #0d131d;--bg-input: #1c2128;--bg-overlay: rgba(9, 12, 18, .84);--bg-toast: rgba(10, 15, 22, .92);--border: #24303f;--text-primary: #e6edf3;--text-secondary: #a3b0bf;--text-muted: #667384;--accent: #00d7b6;--accent-soft: rgba(0, 215, 182, .42);--plot-bg: #0d1117;--plot-grid: rgba(255,255,255,.06);--plot-line: #2d333b}[data-theme=light]{--bg-page: #fafafa;--bg-panel: white;--bg-header: white;--bg-surface: #f8f9fb;--bg-input: white;--bg-overlay: rgba(250, 250, 250, .85);--bg-toast: rgba(245, 245, 245, .92);--border: #e0e0e0;--text-primary: #333;--text-secondary: #555;--text-muted: #999;--accent: #0d9488;--accent-soft: rgba(13, 148, 136, .3);--plot-bg: white;--plot-grid: rgba(0,0,0,.06);--plot-line: #ccc}*{margin:0;padding:0;box-sizing:border-box}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}body{font-family:Arial,sans-serif;background:var(--bg-page);color:var(--text-primary);color-scheme:dark light;min-height:100vh}[data-theme=dark]{color-scheme:dark}[data-theme=light]{color-scheme:light}select,input[type=text]{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}select option{background:var(--bg-input);color:var(--text-primary)}button{font-family:inherit}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-panel)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}