:root {
  color-scheme: dark;
  --bg: #07090d;
  --surface: #10151d;
  --surface-raised: #151c26;
  --surface-deep: #0a0f16;
  --line: #283342;
  --line-strong: #3a495d;
  --text: #f4f7fa;
  --muted: #91a0b1;
  --muted-strong: #b5c0cc;
  --cyan: #42d7e8;
  --lime: #b8f34a;
  --purple: #b86cff;
  --yellow: #ffd328;
  --red: #ff4057;
  --green: #34d17b;
  --radius: 8px;
  font-family: "Segoe UI Variable", "Segoe UI", "Microsoft YaHei UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
.sr-only { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 84px; }
body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(rgba(255,255,255,.014) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.014) 1px, transparent 1px),
    radial-gradient(circle at 86% -8%, rgba(66,215,232,.13), transparent 34rem),
    #07090d;
  background-size: 40px 40px, 40px 40px, auto, auto;
}

button, input, select, textarea { font: inherit; }
button, input, select, textarea, summary, a { -webkit-tap-highlight-color: transparent; }
.hidden { display: none !important; }
.shell { width: min(1720px, calc(100vw - 32px)); min-height: 100vh; margin: auto; padding: 18px 0 54px; }
.panel { border: 1px solid var(--line); border-radius: var(--radius); background: rgba(16,21,29,.96); box-shadow: 0 16px 44px rgba(0,0,0,.18); }

.topbar { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand-lockup { display: flex; align-items: center; gap: 14px; }
.brand-mark { width: 50px; height: 50px; display: block; flex: 0 0 auto; object-fit: contain; }
.brand-copy h1 { margin: 2px 0 0; font-size: 25px; line-height: 1.1; letter-spacing: -.035em; }
.eyebrow { margin: 0; color: var(--cyan); font-size: 9px; font-weight: 900; letter-spacing: .18em; }
.topbar-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.language-switcher { position: relative; display: inline-flex; align-items: center; }
.language-switcher::before { content: "A/文"; position: absolute; left: 12px; z-index: 1; color: var(--cyan); font-size: 10px; font-weight: 900; letter-spacing: -.04em; pointer-events: none; }
.language-switcher select { min-width: 136px; min-height: 34px; padding: 0 30px 0 42px; border: 1px solid var(--line); border-radius: 999px; color: var(--text); background: rgba(10,15,22,.82); font-size: 11px; font-weight: 700; cursor: pointer; }
.language-switcher select:hover, .language-switcher select:focus-visible { border-color: rgba(66,215,232,.55); outline: none; }
.connection-state { display: inline-flex; align-items: center; gap: 9px; min-height: 34px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted-strong); background: rgba(10,15,22,.82); font-size: 11px; font-weight: 700; }
.connection-state i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(52,209,123,.1); }

.auth-panel { max-width: 1120px; margin: 48px auto 0; padding: 34px; display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: center; }
.auth-intro h2, .section-heading h2 { margin: 6px 0 0; font-size: 21px; letter-spacing: -.025em; }
.auth-intro p, .auth-intro li { color: var(--muted); line-height: 1.65; }
.auth-intro ul { padding-left: 19px; }
.step-mark { display: inline-flex; padding: 5px 9px; color: #071014; background: var(--cyan); border-radius: 3px; font-size: 10px; font-weight: 900; letter-spacing: .08em; }
.auth-form, .controls { display: grid; gap: 14px; }
.compact-form { max-width: 460px; }
.form-grid, .field-grid { display: grid; gap: 12px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.slim { margin-top: 2px; }

label { display: grid; gap: 7px; color: #c9d2dc; font-size: 11px; font-weight: 720; }
input, select, textarea { width: 100%; min-height: 42px; padding: 0 12px; color: var(--text); border: 1px solid #344154; border-radius: 5px; outline: none; background: #090d13; }
textarea { min-height: 68px; padding-top: 10px; resize: vertical; line-height: 1.5; }
input:hover, select:hover, textarea:hover { border-color: #4b5c70; }
input:focus, select:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(66,215,232,.11); }
button { min-height: 40px; padding: 0 15px; color: #e8edf2; border: 1px solid #3a485b; border-radius: 5px; background: #18222e; font-weight: 760; cursor: pointer; transition: border-color .14s ease, background .14s ease, transform .14s ease; }
button:hover { border-color: #71849a; background: #202d3b; transform: translateY(-1px); }
button:active { transform: translateY(0); }
button.primary { color: #061015; border-color: var(--cyan); background: var(--cyan); }
button.primary:hover { background: #70e5f1; }
button.accent { color: #0b0e0f; border-color: var(--lime); background: var(--lime); }
button.quiet { min-height: 34px; color: var(--muted-strong); background: transparent; }
.wide { width: 100%; }
.form-error { min-height: 18px; margin: 0; color: #ff8292; font-size: 11px; }

.dashboard { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr); gap: 14px; margin-top: 12px; }
.control-dock { position: sticky; top: 8px; z-index: 20; min-width: 0; min-height: 48px; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 6px 7px 6px 15px; border: 1px solid rgba(62,78,97,.9); border-radius: 8px; background: rgba(10,14,20,.93); box-shadow: 0 12px 34px rgba(0,0,0,.3); backdrop-filter: blur(14px); }
.dock-links { min-width: 0; flex: 1 1 auto; display: flex; align-items: center; gap: 2px; overflow-x: auto; scrollbar-width: none; }
.dock-links::-webkit-scrollbar { display: none; }
.dock-links a { min-height: 34px; display: inline-flex; align-items: center; padding: 0 11px; color: #aeb9c4; border-radius: 4px; text-decoration: none; white-space: nowrap; font-size: 11px; font-weight: 720; }
.dock-links a:hover { color: #071014; background: var(--cyan); }
.dock-account { flex: 0 0 auto; min-width: 108px; display: grid; gap: 1px; padding: 0 4px 0 12px; border-left: 1px solid rgba(88,104,123,.48); }
.dock-account span { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #f4f7fa; font-size: 11px; font-weight: 760; }
.dock-account small { color: var(--cyan); font-size: 9px; font-weight: 760; letter-spacing: .08em; text-transform: uppercase; }
.dock-logout { flex: 0 0 auto; }
[data-permission].permission-hidden { display: none !important; }

.control-access-panel { display: grid; gap: 16px; }
.control-account-create { display: grid; grid-template-columns: minmax(180px,1.2fr) minmax(140px,.7fr) minmax(210px,1fr) auto; gap: 12px; align-items: end; padding: 16px; border: 1px solid rgba(66,215,232,.24); border-radius: 7px; background: linear-gradient(135deg,rgba(66,215,232,.07),rgba(90,140,255,.025)); }
.control-account-create label { display: grid; gap: 6px; color: #b9c5d0; font-size: 11px; font-weight: 700; }
.control-account-status { min-height: 18px; margin: -4px 0 0; color: var(--green); font-size: 11px; }
.control-account-status.error { color: var(--red); }
.control-account-list { display: grid; gap: 8px; }
.control-account-card { display: grid; grid-template-columns: minmax(170px,1.1fr) minmax(130px,.65fr) minmax(200px,1fr) auto; gap: 10px; align-items: end; padding: 13px 14px; border: 1px solid rgba(69,85,104,.74); border-radius: 6px; background: #0d141d; }
.control-account-card.current { border-color: rgba(66,215,232,.55); box-shadow: inset 3px 0 0 var(--cyan); }
.control-account-card label { display: grid; gap: 5px; color: #8f9eae; font-size: 10px; font-weight: 700; }
.control-account-card-actions { display: flex; justify-content: flex-end; gap: 7px; }
.control-account-current { align-self: center; color: var(--cyan); font-size: 10px; font-weight: 760; }
.public-timing-panel { display: grid; gap: 16px; padding: 20px; scroll-margin-top: 80px; }
.public-timing-actions { display: flex; flex-wrap: wrap; gap: 9px; }
.public-timing-actions .danger { border-color: rgba(255,64,87,.42); color: #ff9aa7; background: rgba(255,64,87,.06); }
.public-timing-links { display: grid; gap: 12px; padding: 16px; border: 1px solid rgba(66,215,232,.24); border-radius: 7px; background: linear-gradient(135deg,rgba(66,215,232,.07),rgba(90,140,255,.025)); }
.public-timing-links label > span { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 8px; }
.public-timing-links input { min-width: 0; color: var(--cyan); font-family: "Cascadia Mono", Consolas, monospace; font-size: 11px; }
.public-timing-links p { margin: 0; }

.race-banner { min-height: 54px; display: grid; grid-template-columns: 80px max-content minmax(0, 1fr); align-items: center; gap: 14px; padding: 0 18px; color: #071014; background: var(--cyan); border-radius: 6px; }
.race-banner[data-kind=fastestLap] { color: #fff; background: var(--purple); }
.race-banner[data-kind=yellowFlag], .race-banner[data-kind=investigation] { background: var(--yellow); }
.race-banner[data-kind=redFlag], .race-banner[data-kind=penalty] { color: #fff; background: var(--red); }
.race-banner[data-kind=chequeredFlag], .race-banner[data-kind=winner] { color: #fff; background: linear-gradient(90deg, #090b0e, #4c5662); }
.banner-kind { font-size: 9px; font-weight: 950; letter-spacing: .14em; }
#bannerTitle { font-size: 15px; text-transform: uppercase; }
#bannerDetail { min-width: 0; opacity: .78; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 12px; font-weight: 650; }

.summary-grid { display: grid; grid-template-columns: 1.15fr 1fr .8fr 1.1fr; gap: 10px; }
.summary-card { position: relative; min-height: 106px; padding: 17px 18px; display: grid; align-content: center; gap: 6px; overflow: hidden; border-left-width: 3px; }
.summary-card::after { content: ""; position: absolute; inset: 0 0 auto auto; width: 76px; height: 76px; background: radial-gradient(circle at top right, rgba(255,255,255,.06), transparent 70%); pointer-events: none; }
.summary-card strong { font-size: clamp(21px, 2vw, 27px); line-height: 1; font-weight: 900; letter-spacing: -.04em; }
.summary-card strong small { color: var(--muted); font-size: 13px; }
.summary-card > span { color: var(--muted); font-size: 11px; }
.label { margin: 0; color: var(--muted); font-size: 9px; font-weight: 850; letter-spacing: .12em; text-transform: uppercase; }
.phase-card { border-left-color: var(--cyan); }
.fastest-card { border-left-color: var(--purple); }
.flag-card.green { border-left-color: var(--green); }
.flag-card.yellow { border-left-color: var(--yellow); }
.flag-card.red { border-left-color: var(--red); }
.flag-card.chequered { border-left-color: #fff; }

.event-project-panel { min-width: 0; display: grid; gap: 14px; padding: 20px; border-top: 2px solid var(--purple); scroll-margin-top: 80px; }
.event-project-workspace { min-width: 0; display: grid; grid-template-columns: minmax(0,1.7fr) minmax(300px,.7fr); gap: 12px; align-items: stretch; }
.event-project-form, .event-project-import { min-width: 0; border: 1px solid #2d3b4c; border-radius: 7px; background: #0a1018; }
.event-project-form { display: grid; gap: 12px; padding: 14px; }
.event-project-fields { display: grid; grid-template-columns: minmax(210px,1.2fr) minmax(120px,.45fr) minmax(180px,.75fr) minmax(190px,.7fr); gap: 10px; }
.event-project-description { grid-column: 1 / -1; }
.event-project-form-actions { display: flex; align-items: center; gap: 9px; }
.event-project-form-actions span { margin-left: 4px; }
.event-project-import { display: grid; align-content: space-between; gap: 16px; padding: 14px; }
.event-project-import strong { font-size: 12px; }
.event-project-import-actions { min-width: 0; display: grid; gap: 8px; }
.event-project-import-actions input[type=file] { min-width: 0; max-width: 100%; }
.event-project-status { min-height: 16px; margin: -2px 0 0; color: var(--muted); font-size: 10px; }
.event-project-status.success { color: var(--green); }
.event-project-status.error { color: var(--red); }
.event-project-list { min-width: 0; display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; }
.event-project-card, .event-project-empty { border: 1px solid #2a394a; border-radius: 7px; background: #0a1119; }
.event-project-card { position: relative; display: grid; gap: 11px; padding: 14px; overflow: hidden; }
.event-project-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: #526275; }
.event-project-card.active::before { background: var(--cyan); box-shadow: 0 0 18px rgba(66,215,232,.5); }
.event-project-card.completed::before { background: var(--green); }
.event-project-card.archived { opacity: .76; }
.event-project-card-heading { min-width: 0; display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; }
.event-project-card-heading > small { flex: 0 0 auto; color: #8192a3; font-size: 9px; }
.event-project-card-title { min-width: 0; display: flex; align-items: center; gap: 9px; }
.event-project-card-title strong { overflow: hidden; font-size: 15px; text-overflow: ellipsis; white-space: nowrap; }
.event-project-state { flex: 0 0 auto; padding: 3px 7px; border: 1px solid #425166; border-radius: 999px; color: #aab7c4; font-size: 8px; font-weight: 850; }
.event-project-state.active { color: #091014; border-color: var(--cyan); background: var(--cyan); }
.event-project-state.completed { color: #07120d; border-color: var(--green); background: var(--green); }
.event-project-card-summary { display: grid; grid-template-columns: 1.1fr .75fr .5fr 1.25fr; gap: 7px; }
.event-project-card-summary span { min-width: 0; display: grid; gap: 3px; padding: 8px 9px; border: 1px solid #233244; border-radius: 5px; background: #0e1823; }
.event-project-card-summary strong { overflow: hidden; color: #e7f0f7; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.event-project-card-summary small { color: #74879a; font-size: 8px; }
.event-project-card-meta { margin: 0; color: #778a9d; font-size: 9px; }
.event-project-card-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.event-project-card-actions button { min-height: 31px; padding: 0 9px; font-size: 9px; }
.event-project-card-actions .apply { border-color: rgba(66,215,232,.58); color: #c5f8fc; background: rgba(66,215,232,.1); }
.event-project-card-actions .danger { border-color: rgba(255,64,87,.36); color: #ff9aa7; background: rgba(255,64,87,.06); }
.event-project-empty { grid-column: 1 / -1; padding: 22px; color: var(--muted); text-align: center; font-size: 11px; }

.command-grid { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(360px, .8fr); gap: 14px; align-items: start; }
.controls, .timing-panel, .penalty-control-panel { padding: 20px; }
.section-heading { min-width: 0; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.section-note, .auto-note { color: var(--muted); font-size: 10px; text-align: right; }
.primary-command-panel { border-top: 2px solid var(--cyan); }
.button-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.session-buttons { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.session-buttons button { min-height: 46px; }
.session-buttons .start-race { grid-column: span 2; }

details { border: 1px solid var(--line); border-radius: 7px; background: rgba(7,10,15,.42); }
summary { cursor: pointer; }
.session-options { overflow: hidden; }
.session-options > summary { min-height: 42px; display: grid; grid-template-columns: minmax(0,1fr) auto 18px; align-items: center; gap: 12px; padding: 0 13px; list-style: none; color: #d7e0e8; font-size: 11px; font-weight: 750; }
.session-options > summary::-webkit-details-marker { display: none; }
.session-options > summary small { color: var(--muted); font-size: 10px; font-weight: 500; }
.session-options > summary::after { content: "+"; color: var(--cyan); font-size: 18px; line-height: 1; }
.session-options[open] > summary { border-bottom: 1px solid var(--line); background: #111925; }
.session-options[open] > summary::after { transform: rotate(45deg); }
.session-options-body { display: grid; gap: 10px; padding: 14px; }
.qualifying-settings { padding: 12px; border: 1px solid #29384a; border-radius: 7px; background: #0b1119; }
.qualifying-settings > label { max-width: 360px; }
.qualifying-session-grid { display: grid; grid-template-columns: repeat(3, minmax(135px, 1fr)); gap: 10px; }
.qualifying-rule-hint { margin: 10px 0 0; color: #9dabb9; font-size: 11px; }
.qualifying-rule-hint strong { color: #dac5ff; }
.rules-note { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 10px; }
.rules-note p { margin: 0; padding: 10px 12px; color: var(--muted); border-left: 2px solid #344256; background: #0b1017; font-size: 10px; line-height: 1.55; }

.flag-control { border-top: 2px solid var(--yellow); }
.flag-form { display: grid; grid-template-columns: 160px minmax(0, 1fr); gap: 11px; margin-top: 14px; }
.flag-buttons { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 8px; }
.flag-buttons button { min-height: 45px; }
.flag-green { border-color: var(--green); }
.flag-yellow { color: #111; border-color: var(--yellow); background: var(--yellow); }
.flag-red { color: #fff; border-color: var(--red); background: var(--red); }
.zone-list { min-height: 30px; display: flex; flex-wrap: wrap; align-items: center; gap: 7px; margin-top: 4px; }
.zone-pill, .zone-empty { padding: 6px 9px; border-radius: 4px; font-size: 10px; font-weight: 800; }
.zone-pill { color: #0b0d0f; background: var(--yellow); }
.zone-pill.automatic { box-shadow: inset 0 0 0 2px rgba(0,0,0,.24); }
.zone-pill.manual { outline: 1px solid rgba(255,255,255,.45); }
.zone-empty { color: var(--muted); background: #101722; }

.muted { color: var(--muted); line-height: 1.55; }
.compact { margin: 2px 0 0; font-size: 11px; }
.priority-panel { border-top: 2px solid var(--lime); }
.timing-panel { display: grid; gap: 14px; }
.table-wrap { overflow: auto; border: 1px solid #263143; border-radius: 6px; background: #0a0f16; }
table { width: 100%; min-width: 1050px; border-collapse: collapse; font-size: 12px; font-variant-numeric: tabular-nums; }
th { position: sticky; top: 0; z-index: 2; height: 36px; padding: 0 11px; color: var(--muted); background: #080c12; text-align: left; font-size: 9px; letter-spacing: .09em; text-transform: uppercase; }
td { height: 54px; padding: 0 11px; border-top: 1px solid #202a36; white-space: nowrap; }
tbody tr:nth-child(even) td { background: rgba(255,255,255,.012); }
tr:hover td { background: rgba(66,215,232,.035); }
.position { width: 42px; font-size: 17px; font-weight: 900; }
.driver-cell { display: grid; grid-template-columns: 4px 1fr; gap: 9px; align-items: center; }
.driver-color { width: 4px; height: 31px; border-radius: 3px; }
.driver-name { font-weight: 850; }
.team-name { color: var(--muted); font-size: 9px; }
.status { display: inline-flex; padding: 4px 7px; color: #cbd3dc; background: #222c39; border-radius: 3px; font-size: 9px; font-weight: 800; }
.status.pit { color: #ffb1bb; background: rgba(255,64,87,.14); }
.best-lap { color: var(--purple); font-weight: 800; }
.actions { display: flex; gap: 5px; }
.actions button { min-height: 30px; padding: 0 8px; font-size: 9px; }

.observer-strip { display: grid; grid-template-columns: 170px minmax(0,1fr); gap: 16px; align-items: center; padding: 12px 14px; border: 1px solid #263143; border-radius: 6px; background: #0b1119; }
.observer-heading { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.observer-heading strong { display: block; margin-top: 3px; font-size: 13px; }
.observer-heading > span { color: var(--cyan); font-size: 11px; font-weight: 850; }
.observer-list { display: flex; flex-wrap: wrap; gap: 7px; min-width: 0; }
.observer-chip { min-height: 31px; display: inline-flex; align-items: center; gap: 8px; padding: 0 5px 0 10px; border: 1px solid #314155; border-radius: 4px; color: #dce5ed; background: #111925; font-size: 11px; font-weight: 750; }
.observer-mark { min-width: 26px; height: 19px; display: inline-grid; place-items: center; padding: 0 5px; border-radius: 3px; color: #071015; background: var(--cyan); font-size: 8px; font-weight: 950; letter-spacing: .08em; }
.disconnect-client { border-color: rgba(255,64,87,.42) !important; color: #ff9aa7 !important; background: rgba(255,64,87,.08) !important; }
.observer-chip .disconnect-client { min-height: 23px; padding: 0 7px; font-size: 8px; }
.observer-empty { color: var(--muted); font-size: 11px; }

.workspace-panel { overflow: hidden; scroll-margin-top: 80px; }
.workspace-summary { min-height: 70px; display: grid; grid-template-columns: 40px minmax(0,1fr) auto 20px; align-items: center; gap: 14px; padding: 0 18px; list-style: none; }
.workspace-summary::-webkit-details-marker { display: none; }
.workspace-summary::after { content: "+"; color: var(--cyan); font-size: 21px; }
.workspace-panel[open] > .workspace-summary { border-bottom: 1px solid var(--line); background: #121a24; }
.workspace-panel[open] > .workspace-summary::after { transform: rotate(45deg); }
.workspace-icon { width: 34px; height: 34px; display: grid; place-items: center; color: var(--cyan); border: 1px solid #335063; border-radius: 5px; background: #0a141c; font-size: 9px; font-weight: 900; letter-spacing: .08em; }
.workspace-summary > span:nth-child(2) { display: grid; gap: 3px; }
.workspace-summary small { color: var(--cyan); font-size: 8px; font-weight: 850; letter-spacing: .16em; }
.workspace-summary strong { font-size: 14px; }
.workspace-body { padding: 20px; }
.rule-template-panel { display: grid; gap: 12px; padding: 16px; border: 1px solid #2b4052; border-radius: 8px; background: linear-gradient(135deg, rgba(66,215,232,.07), rgba(11,17,25,.72) 45%); }
.rule-template-heading { display: grid; grid-template-columns: minmax(0,1fr) minmax(330px,.7fr); gap: 22px; align-items: end; }
.rule-template-heading h2 { margin-bottom: 5px; }
.rule-template-create { display: grid; grid-template-columns: minmax(180px,1fr) auto; gap: 8px; align-items: end; }
.rule-template-create button { white-space: nowrap; }
.rule-template-status { min-height: 16px; margin: -2px 0 0; color: var(--muted); font-size: 10px; }
.rule-template-status.success { color: var(--green); }
.rule-template-status.error { color: var(--red); }
.rule-template-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 9px; }
.rule-template-card, .rule-template-empty { min-width: 0; border: 1px solid #2a394a; border-radius: 6px; background: #0a1119; }
.rule-template-card { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 12px; padding: 12px; }
.rule-template-card-copy { min-width: 0; }
.rule-template-card-title { display: flex; align-items: baseline; gap: 9px; }
.rule-template-card-title strong { overflow: hidden; color: #ecf5fb; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.rule-template-card-title time { flex: 0 0 auto; color: #708397; font-size: 9px; }
.rule-template-card-summary { margin: 6px 0 0; color: #98a9b9; font-size: 10px; line-height: 1.55; }
.rule-template-card-actions { display: flex; flex-wrap: wrap; align-content: flex-start; justify-content: flex-end; gap: 6px; }
.rule-template-card-actions button { min-height: 31px; padding: 0 9px; font-size: 9px; }
.rule-template-card-actions .apply { border-color: rgba(66,215,232,.58); color: #c5f8fc; background: rgba(66,215,232,.1); }
.rule-template-card-actions .danger { border-color: rgba(255,64,87,.36); color: #ff9aa7; background: rgba(255,64,87,.06); }
.rule-template-empty { grid-column: 1 / -1; padding: 18px; color: var(--muted); text-align: center; font-size: 11px; }
.room-fields { grid-template-columns: minmax(220px,1.4fr) repeat(3,minmax(130px,.55fr)); align-items: end; }
.room-fields-primary { grid-template-columns: minmax(220px,1.3fr) repeat(3,minmax(130px,.55fr)) repeat(2,minmax(150px,.65fr)); }
.toggle { min-height: 42px; display: flex; align-items: center; gap: 9px; padding: 0 11px; border: 1px solid #354256; border-radius: 5px; background: #090d13; }
.toggle input { width: 17px; height: 17px; min-height: 0; accent-color: var(--cyan); }
.hazard-fields { grid-template-columns: 1.4fr repeat(4, minmax(130px, .7fr)); }
.save-state { color: var(--muted); font-size: 10px; font-weight: 750; }
.save-state.success { color: var(--green); }
.save-state.error { color: var(--red); }
.settings-footer { display: flex; align-items: center; gap: 14px; padding-top: 2px; }

.collision-evidence { margin-top: 10px; padding: 11px; border: 1px solid #2a3b4c; border-radius: 8px; background: #09111a; }
.collision-evidence-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 7px; }
.collision-evidence-heading strong { font-size: 11px; letter-spacing: .1em; color: #dce9f3; }
.collision-evidence-heading span { font-size: 10px; color: #7f93a6; }
.collision-evidence-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; }
.collision-evidence-actions .collision-replay-open { min-height: 30px; padding: 0 10px; border-color: rgba(66,215,232,.42); color: #b9f4fb; background: rgba(66,215,232,.09); font-size: 10px; white-space: nowrap; }
.collision-evidence svg { display: block; width: 100%; height: 140px; }
.collision-evidence-plot { fill: #071019; stroke: #243748; stroke-width: 1; }
.collision-distance-line { stroke: #f4c94d; stroke-width: 1.5; stroke-dasharray: 5 5; }
.collision-distance-label { fill: #ffe08a; font: 700 13px "Segoe UI", sans-serif; paint-order: stroke; stroke: #09121b; stroke-width: 5px; }
.collision-motion-line { stroke-width: 3; stroke-linecap: round; opacity: .8; }
.collision-car { stroke: #f7fbff; stroke-width: 1.5; filter: drop-shadow(0 0 5px rgba(255,255,255,.18)); }
.collision-driver-label { fill: #eaf3fa; font: 600 12px "Segoe UI", "Microsoft YaHei", sans-serif; paint-order: stroke; stroke: #09121b; stroke-width: 4px; }
.collision-evidence-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 7px; margin-top: 4px; }
.collision-evidence-stats > span { display: flex; flex-direction: column; gap: 3px; padding: 7px 9px; border-radius: 5px; background: #101d29; border: 1px solid #213344; }
.collision-evidence-stats small { font-size: 9px; color: #7f93a6; }
.collision-evidence-stats strong { font-size: 11px; color: #e7f1f8; font-variant-numeric: tabular-nums; }

body.collision-replay-open, body.pre-race-check-open { overflow: hidden; }
.pre-race-check-modal { position: fixed; inset: 0; z-index: 1010; display: grid; place-items: center; padding: 24px; background: rgba(2,5,9,.86); backdrop-filter: blur(10px); }
.pre-race-check-dialog { width: min(720px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto; padding: 22px; box-shadow: 0 28px 90px rgba(0,0,0,.65); }
.pre-race-check-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.pre-race-check-header h2 { margin: 2px 0 3px; font-size: 22px; }
.pre-race-check-header p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.pre-race-check-summary { margin: 18px 0 10px; display: grid; gap: 4px; padding: 13px 14px; border: 1px solid rgba(255,211,40,.34); border-radius: 6px; background: rgba(255,211,40,.07); }
.pre-race-check-summary strong { color: var(--yellow); font-size: 14px; }
.pre-race-check-summary span { color: #aab8c6; font-size: 10px; }
.pre-race-check-warnings { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.pre-race-check-warnings li { min-width: 0; display: grid; grid-template-columns: 46px minmax(0,1fr); gap: 11px; align-items: start; padding: 12px; border: 1px solid #314052; border-radius: 6px; background: #0b121b; }
.pre-race-check-warnings b { padding: 4px 5px; color: #191400; border-radius: 3px; background: var(--yellow); text-align: center; font-size: 8px; letter-spacing: .08em; }
.pre-race-check-warnings div { min-width: 0; display: grid; gap: 4px; }
.pre-race-check-warnings strong { color: #edf3f8; font-size: 12px; }
.pre-race-check-warnings span { overflow-wrap: anywhere; color: #8fa0b2; font-size: 10px; }
.pre-race-check-actions { display: flex; justify-content: flex-end; gap: 9px; margin-top: 18px; }
.collision-replay-modal { position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center; padding: 24px; background: rgba(2,5,9,.86); backdrop-filter: blur(10px); }
.collision-replay-dialog { width: min(1040px, calc(100vw - 32px)); max-height: calc(100vh - 32px); overflow: auto; padding: 22px; box-shadow: 0 28px 90px rgba(0,0,0,.65); }
.collision-replay-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 13px; }
.collision-replay-header h2 { margin: 2px 0 3px; font-size: 22px; }
.collision-replay-header p:last-child { margin: 0; color: var(--muted); font-size: 12px; }
.collision-replay-header button { flex: 0 0 auto; }
.collision-replay-status { min-height: 20px; margin: 0 0 8px; color: #a9bac9; font-size: 11px; }
.collision-replay-stage { overflow: hidden; border: 1px solid #2a3b4c; border-radius: 10px; background: #050b11; }
.collision-replay-stage svg { display: block; width: 100%; height: auto; max-height: min(50vh, 520px); }
.collision-replay-plot { fill: #071019; }
.collision-replay-grid { stroke: rgba(127,147,166,.12); stroke-width: 1; }
.collision-replay-axis { fill: #6f8497; font: 700 11px "Segoe UI", sans-serif; letter-spacing: .06em; }
.collision-replay-track { fill: none; stroke-linecap: round; stroke-linejoin: round; }
.collision-replay-track.complete { stroke-width: 2; opacity: .2; }
.collision-replay-track.traveled { stroke-width: 4; opacity: .92; filter: drop-shadow(0 0 4px rgba(255,255,255,.12)); }
.collision-replay-car circle { opacity: .15; }
.collision-replay-car rect { stroke: #f7fbff; stroke-width: 1.5; }
.collision-replay-car path { fill: #f7fbff; }
.collision-replay-driver { fill: #f0f7fc; font: 700 12px "Segoe UI", "Microsoft YaHei", sans-serif; paint-order: stroke; stroke: #061019; stroke-width: 5px; }
.collision-replay-incident circle { fill: rgba(255,211,40,.08); stroke: #ffd328; stroke-width: 2; stroke-dasharray: 4 3; }
.collision-replay-incident text { fill: #ffe991; font: 850 10px "Segoe UI", sans-serif; paint-order: stroke; stroke: #071019; stroke-width: 4px; }
.collision-replay-empty { fill: #91a0b1; font: 600 13px "Segoe UI", "Microsoft YaHei", sans-serif; }
.collision-replay-controls { display: grid; grid-template-columns: auto minmax(160px,1fr) 72px; align-items: center; gap: 12px; margin-top: 13px; }
.collision-replay-controls button { min-width: 86px; }
.collision-replay-controls input[type=range] { width: 100%; min-height: 30px; accent-color: var(--cyan); cursor: pointer; }
.collision-replay-controls output { color: #eaf3fa; font: 750 12px "Cascadia Mono", "Segoe UI", monospace; text-align: right; font-variant-numeric: tabular-nums; }
.collision-replay-legend { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 12px; }
.collision-replay-legend span { display: inline-flex; align-items: center; gap: 7px; color: #c8d4de; font-size: 11px; }
.collision-replay-legend i { width: 24px; height: 4px; border-radius: 999px; box-shadow: 0 0 8px currentColor; }
.collision-replay-stats { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: 7px; margin-top: 10px; }
.collision-replay-stats > span { display: grid; gap: 4px; min-width: 0; padding: 8px 9px; border: 1px solid #213344; border-radius: 5px; background: #0d1721; }
.collision-replay-stats small { overflow: hidden; color: #7f93a6; font-size: 9px; text-overflow: ellipsis; white-space: nowrap; }
.collision-replay-stats strong { overflow: hidden; color: #e7f1f8; font-size: 11px; font-variant-numeric: tabular-nums; text-overflow: ellipsis; white-space: nowrap; }
.collision-replay-disclaimer { margin: 12px 0 0; color: #7f93a6; font-size: 10px; line-height: 1.6; }

@media (max-width: 1320px) {
  .command-grid { grid-template-columns: 1fr; }
  .flag-form { grid-template-columns: 190px minmax(0,1fr) auto; align-items: end; }
  .flag-buttons { grid-column: auto; display: flex; }
  .room-fields-primary, .room-fields { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .hazard-fields { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .event-project-workspace { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .shell { width: calc(100vw - 24px); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .control-dock { padding-left: 8px; }
  .dock-links a { padding: 0 9px; }
  .dock-account { display: none; }
  .control-account-create,.control-account-card { grid-template-columns: 1fr 1fr; }
  .session-buttons { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .session-buttons .start-race { grid-column: span 1; }
  .flag-form { grid-template-columns: 170px minmax(0,1fr); }
  .flag-buttons { grid-column: 1 / -1; display: grid; }
  .room-fields-primary, .room-fields, .hazard-fields { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .form-grid.three, .qualifying-session-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .rule-template-heading { grid-template-columns: 1fr; }
  .rule-template-list { grid-template-columns: 1fr; }
  .event-project-fields { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .event-project-list { grid-template-columns: 1fr; }
  .collision-replay-stats { grid-template-columns: repeat(3,minmax(0,1fr)); }
}

@media (max-width: 680px) {
  .pre-race-check-modal { padding: 8px; }
  .pre-race-check-dialog { width: calc(100vw - 16px); max-height: calc(100vh - 16px); padding: 15px; }
  .pre-race-check-header { gap: 12px; }
  .pre-race-check-actions { display: grid; grid-template-columns: 1fr; }
  .shell { width: calc(100vw - 16px); padding-top: 8px; }
  .topbar { min-height: 58px; }
  .brand-copy h1 { font-size: 20px; }
  .connection-state { display: none; }
  .language-switcher select { min-width: 118px; padding-left: 38px; }
  .auth-panel { grid-template-columns: 1fr; gap: 24px; padding: 22px; }
  .form-grid.two, .form-grid.three, .summary-grid, .session-buttons, .flag-form, .room-fields-primary, .room-fields, .hazard-fields, .qualifying-session-grid, .rules-note, .event-project-fields { grid-template-columns: 1fr; }
  .control-dock { top: 4px; }
  .dock-links a { min-height: 38px; }
  .dock-logout { min-width: 88px; }
  .control-account-create,.control-account-card { grid-template-columns: 1fr; }
  .control-account-card-actions { justify-content: stretch; }
  .control-account-card-actions button { flex: 1; }
  .public-timing-panel { padding: 15px; }
  .public-timing-actions { align-items: stretch; flex-direction: column; }
  .public-timing-actions button { width: 100%; }
  .public-timing-links label > span { grid-template-columns: 1fr; }
  .race-banner { grid-template-columns: auto 1fr; gap: 7px 12px; padding: 10px 13px; }
  #bannerDetail { grid-column: 1 / -1; white-space: normal; }
  .controls, .timing-panel, .penalty-control-panel, .workspace-body { padding: 15px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 7px; }
  .section-note { text-align: left; }
  .flag-buttons { grid-column: auto; }
  .session-options > summary { grid-template-columns: 1fr 18px; }
  .session-options > summary small { display: none; }
  .observer-strip { grid-template-columns: 1fr; }
  .observer-heading { justify-content: flex-start; }
  .workspace-summary { grid-template-columns: 36px minmax(0,1fr) 18px; gap: 10px; padding: 0 13px; }
  .workspace-summary .save-state { display: none; }
  .settings-footer { align-items: stretch; flex-direction: column; }
  .settings-footer button { width: 100%; }
  .rule-template-panel { padding: 12px; }
  .rule-template-create, .rule-template-card { grid-template-columns: 1fr; }
  .rule-template-create button { width: 100%; }
  .rule-template-card-actions { justify-content: flex-start; }
  .event-project-panel { padding: 15px; }
  .event-project-description { grid-column: auto; }
  .event-project-form-actions { align-items: stretch; flex-direction: column; }
  .event-project-form-actions button { width: 100%; }
  .event-project-card-heading { flex-direction: column; gap: 5px; }
  .event-project-card-summary { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .collision-evidence-heading { align-items: flex-start; flex-direction: column; }
  .collision-evidence-actions { width: 100%; align-items: flex-start; flex-direction: column; }
  .collision-evidence-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .collision-replay-modal { padding: 8px; }
  .collision-replay-dialog { width: calc(100vw - 16px); max-height: calc(100vh - 16px); padding: 15px; }
  .collision-replay-header h2 { font-size: 19px; }
  .collision-replay-controls { grid-template-columns: auto minmax(100px,1fr); }
  .collision-replay-controls output { grid-column: 1 / -1; text-align: center; }
  .collision-replay-stats { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (pointer: coarse) {
  button, input, select, textarea { min-height: 46px; }
  .dock-links a { min-height: 42px; }
  .actions button { min-height: 38px; }
  summary { min-height: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}