:root {
  --bg: #f5f6f8; --panel: #fff; --panel2: #f0f2f5; --line: #e1e4e8; --text: #1b1f24; --muted: #6b7280; --accent: #e10600; --accent2: #ff3b3b;
  --ok: #16a34a; --warn: #d97706; --bad: #dc2626; --purple: #9b4dff; --green: #16a34a; --red: #dc2626; --radius: 8px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
}
html.dark, body.dark { --bg: #0f1115; --panel: #171a21; --panel2: #1e222b; --line: #2a2f3a; --text: #e6e8ec; --muted: #8b93a1; --green: #34d399; --red: #f87171; --purple: #c084fc; }
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--bg); color: var(--text); font-size: 14px; }
a { color: inherit; text-decoration: none; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.strong { font-weight: 600; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.grow { flex: 1; }
.center { text-align: center; }
.pad { padding: 8px 4px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.ell { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link { color: var(--accent2); cursor: pointer; background: none; border: 0; padding: 0; font: inherit; }
.link.danger { color: var(--bad); }
.red { color: var(--red) !important; } .green { color: var(--green) !important; } .purple { color: var(--purple) !important; font-weight: 600; }
kbd { background: var(--panel2); border: 1px solid var(--line); border-radius: 4px; padding: 1px 6px; font-size: 12px; font-family: ui-monospace, monospace; }
code.block { display: block; background: var(--panel2); padding: 8px; border-radius: 6px; font-size: 12px; white-space: pre-wrap; margin: 8px 0; }

/* controls */
input, select, textarea { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 7px 9px; font: inherit; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--accent2); }
input[type=checkbox], input[type=radio] { accent-color: var(--accent); }
select.sm, select.xs { padding: 3px 6px; font-size: 12px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 4px; background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: 7px 12px; cursor: pointer; font: inherit; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.busy { opacity: .68; cursor: progress; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.sm { padding: 4px 9px; font-size: 13px; }
.btn.xs { padding: 2px 7px; font-size: 12px; }
.btn.block { display: flex; width: 100%; margin-top: 8px; padding: 10px; }
.icon-btn { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 15px; padding: 0 4px; }
.pill { display: inline-block; font-size: 11px; padding: 1px 7px; border-radius: 10px; background: var(--panel2); border: 1px solid var(--line); color: var(--muted); margin-left: 4px; white-space: nowrap; }
.pill.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }
.pill.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, transparent); }
.pill.bad { color: var(--bad); border-color: color-mix(in srgb, var(--bad) 40%, transparent); }
.alert { padding: 8px 12px; border-radius: 6px; margin: 8px 0; font-size: 13px; }
.alert.bad { background: color-mix(in srgb, var(--bad) 14%, transparent); color: var(--bad); }
.alert.warn { background: color-mix(in srgb, var(--warn) 14%, transparent); color: var(--warn); }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; vertical-align: middle; }
.empty { padding: 40px 16px; text-align: center; color: var(--muted); }

/* shell */
header.top { display: flex; align-items: center; gap: 16px; height: 48px; padding: 0 16px; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 700; font-size: 16px; letter-spacing: .3px; }
.brand.big { font-size: 26px; }
.nav { display: flex; gap: 4px; }
.nav a { padding: 6px 12px; border-radius: 6px; color: var(--muted); }
.nav a.on { background: var(--panel2); color: var(--text); }
.upl-badge { background: var(--accent); color: #fff; border-radius: 12px; padding: 3px 10px; font-size: 12px; cursor: pointer; }
main { padding: 16px; max-width: 1500px; margin: 0 auto; }
main.ana-main { max-width: none; padding: 0; height: calc(100vh - 48px); display: flex; flex-direction: column; }
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 20px; }
.toolbar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 14px; }
.cols { display: flex; gap: 12px; align-items: flex-start; }
.col { flex: 1; min-width: 0; }
.col.wide { flex: 2; }
.stat-row { display: flex; gap: 12px; margin-bottom: 12px; }
.stat { flex: 1; background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; }
.stat-v { font-size: 22px; font-weight: 700; font-variant-numeric: tabular-nums; }
.stat-l { color: var(--muted); font-size: 12px; }
.kv-row { display: flex; padding: 4px 0; border-bottom: 1px dashed var(--line); gap: 12px; }
.kv-row .k { color: var(--muted); width: 72px; flex-shrink: 0; }
.kv-row .v { flex: 1; word-break: break-all; }

/* tables */
.tbl-wrap { overflow: auto; }
table.grid { width: 100%; border-collapse: collapse; font-size: 13px; }
table.grid th { text-align: left; color: var(--muted); font-weight: 500; padding: 6px 6px; border-bottom: 1px solid var(--line); white-space: nowrap; position: sticky; top: 0; background: var(--panel); z-index: 1; }
table.grid td { padding: 5px 6px; border-bottom: 1px solid var(--line); }
table.grid.small td, table.grid.small th { padding: 3px 5px; font-size: 12px; }
table.grid tr.click { cursor: pointer; }
table.grid tr.click:hover td { background: var(--panel2); }
table.grid tr.dim td { opacity: .45; }
table.grid td.best { color: var(--purple); font-weight: 700; }
th.sort { cursor: pointer; }
table.grid th.num { text-align: right; }
table.grid td { white-space: nowrap; }
table.grid td.fname, table.grid td.wrap { white-space: normal; }
th.sort:hover { color: var(--text); }
td.actions { white-space: nowrap; text-align: right; }
td.actions .btn { margin-left: 4px; }
td.fname { word-break: break-all; }
img.thumb { width: 64px; height: 36px; object-fit: cover; border-radius: 4px; display: block; background: #000; }
.ficon { font-size: 20px; }

/* browse tree */
.season-title { font-size: 13px; color: var(--muted); margin: 18px 0 6px; font-weight: 600; letter-spacing: .5px; }
.event { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
.event-head { display: flex; gap: 10px; align-items: center; width:100%; padding:10px 14px; cursor:pointer; appearance:none; background:transparent; color:var(--text); border:0; border-radius:var(--radius); text-align:left; font:inherit; }
.event-head:hover { background:var(--panel2); }
.event-head:focus-visible { outline:2px solid var(--focus); outline-offset:-2px; }
.event-head .caret { color: var(--muted); }
.event-body { padding: 0 14px 10px; }
.car-head { margin: 8px 0 4px; font-weight: 600; display: flex; gap: 8px; align-items: center; }
.carno { background: var(--accent); color: #fff; border-radius: 4px; padding: 0 6px; font-size: 12px; }

/* forms / modal */
.form { display: flex; flex-direction: column; gap: 10px; }
.form.two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; }
.form.two > * { min-width: 0; }
.form.two > .form-span { grid-column: 1 / -1; }
.form.two input:not([type=checkbox]):not([type=radio]), .form.two select, .form.two textarea { width: 100%; min-width: 0; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field-label { font-size: 12px; color: var(--muted); }
.hint { font-size: 11px; color: var(--muted); }
.check { display: flex; align-items: center; gap: 6px; font-size: 13px; }
.modal-wrap { position: fixed; inset: 0; background: rgba(0,0,0,.5); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 12px; padding-bottom: max(12px, env(safe-area-inset-bottom)); }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; width: 480px; max-width: 100%; max-height: min(92vh, calc(100dvh - 24px)); min-height: 0; display: flex; flex-direction: column; overflow: hidden; }
.modal.wide { width: 980px; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); font-weight: 600; }
.modal-body { padding: 14px 16px; overflow: auto; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line); flex-shrink: 0; }
.modal-head { flex-shrink: 0; }
.modal-body { min-height: 0; overflow-wrap: anywhere; }
#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 6px; align-items: center; pointer-events: none; }
.toast { background: var(--panel); border: 1px solid var(--line); padding: 8px 16px; border-radius: 8px; box-shadow: 0 4px 16px rgba(0,0,0,.3); transition: opacity .4s; }
.toast.bad { border-color: var(--bad); color: var(--bad); }
.toast.out { opacity: 0; }
.dropdown { position: fixed; z-index: 90; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.35); max-height: 70vh; overflow: auto; }
.menu { display: flex; flex-direction: column; min-width: 200px; padding: 4px; }
.menu-item { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 5px; cursor: pointer; background: none; border: 0; color: var(--text); font: inherit; text-align: left; white-space: nowrap; }
.menu-item:hover { background: var(--panel2); }
.menu-head { font-size: 11px; color: var(--muted); padding: 8px 10px 4px; text-transform: uppercase; letter-spacing: .5px; }
.menu-sep { height: 1px; background: var(--line); margin: 4px 0; }
.ch-menu { column-count: 2; display: block; }

/* upload */
.dropzone { border: 2px dashed var(--line); border-radius: var(--radius); padding: 22px; text-align: center; transition: .15s; }
.dropzone.over { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 8%, transparent); }
.upload-panel { margin-top: 10px; }
.upl-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; font-size: 13px; }
.upl-item { padding: 6px 0; border-bottom: 1px solid var(--line); }
.upl-name { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upl-meta { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); }
.upl-actions .link { margin-left: 10px; }
.upl-item.error .upl-meta { color: var(--bad); }
.bar { position: relative; height: 6px; background: var(--panel2); border-radius: 3px; overflow: hidden; margin: 4px 0; }
.bar-fill { height: 100%; background: var(--accent); transition: width .2s; }
.upl-item.done .bar-fill { background: var(--ok); }
.bar.big { height: 20px; border-radius: 4px; }
.bar.big .bar-fill.ok { background: var(--ok); } .bar.big .bar-fill.warn { background: var(--warn); }
.bar-txt { position: absolute; right: 8px; top: 1px; font-size: 12px; font-weight: 600; }

/* track map */
.trackmap { position: relative; width: 100%; height: 100%; min-height: 160px; }
.trackmap canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; }
.map-card { height: 380px; position: relative; padding: 0; overflow: hidden; }
.map-card .trackmap { height: 100%; }
.map-caption { position: absolute; left: 10px; bottom: 6px; }
.picking canvas { cursor: crosshair !important; }

/* analysis workspace */
.ana-toolbar { display: flex; align-items: center; gap: 6px; padding: 6px 10px; background: var(--panel); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.ana-toolbar .sep { width: 1px; height: 20px; background: var(--line); margin: 0 4px; }
.ana-title { max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.segb { background: var(--panel2); border: 0; color: var(--muted); padding: 4px 10px; cursor: pointer; font: inherit; font-size: 13px; }
.segb.on { background: var(--accent); color: #fff; }
.vidctl { display: inline-flex; gap: 4px; align-items: center; }
.ana-grid { flex: 1; display: flex; padding: 6px; min-height: 0; }
.ana-left, .ana-center, .ana-right { display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.ana-left { flex: 0 0 max(420px, 31%); }
.ana-center { flex: 1 1 0; min-width: 300px; }
.ana-right { flex: 0 0 max(300px, 25%); }
.ana-left > .pane + .pane, .ana-center > .pane + .pane, .ana-right > .pane + .pane { margin-top: 6px; }
.ana-left > .hsplit + .pane, .ana-center > .hsplit + .pane, .ana-right > .hsplit + .pane { margin-top: 0; }
/* draggable borders: 6px hit area = the old grid gap, line shows on hover/drag */
.vsplit { flex: 0 0 6px; cursor: col-resize; position: relative; touch-action: none; }
.hsplit { flex: 0 0 6px; cursor: row-resize; position: relative; touch-action: none; }
.vsplit::after { content: ''; position: absolute; top: 0; bottom: 0; left: 2px; width: 2px; border-radius: 1px; background: transparent; transition: background .15s; }
.hsplit::after { content: ''; position: absolute; left: 0; right: 0; top: 2px; height: 2px; border-radius: 1px; background: transparent; transition: background .15s; }
.vsplit:hover::after, .hsplit:hover::after { background: var(--line); }
.vsplit.on::after, .hsplit.on::after { background: var(--accent); }
.vsplit.on, .hsplit.on { z-index: 5; }
body:has(.vsplit.on) { cursor: col-resize; user-select: none; }
body:has(.hsplit.on) { cursor: row-resize; user-select: none; }
body:has(.vsplit.on) video, body:has(.hsplit.on) video, body:has(.vsplit.on) canvas, body:has(.hsplit.on) canvas { pointer-events: none; }
.pane { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); position: relative; overflow: hidden; display: flex; flex-direction: column; min-height: 0; }
.pane-title { display: flex; align-items: center; gap: 6px; padding: 5px 8px; font-size: 12px; font-weight: 600; border-bottom: 1px solid var(--line); flex-shrink: 0; }
.pane-title.overlay { position: absolute; top: 0; left: 0; right: 0; z-index: 3; background: color-mix(in srgb, var(--panel) 80%, transparent); border-bottom: 0; }
.laps-pane { flex: 3; overflow: auto; }
.laps-pane .tbl-wrap { overflow-x: auto; }
.data-pane { flex: 2; overflow: auto; }
.graph-pane { flex: 1; }
.video-pane { flex: 3; background: #000; }
.map-pane { flex: 3; }
.gg-pane { flex: 2; align-items: center; justify-content: center; }
.ana-grid .pane.fullscreen { position: fixed; inset: 54px 6px 6px 6px; z-index: 50; }
.laps-tbl td, .laps-tbl th { padding: 3px 4px !important; font-size: 12px !important; }
.laps-tbl td.sec, .laps-tbl th { font-size: 11px !important; }
.laps-tbl tr.selected td { background: color-mix(in srgb, var(--panel2) 70%, transparent); }
.laps-tbl td:nth-child(2) { white-space: nowrap; }
.data-tbl th { text-align: right; } .data-tbl th:first-child { text-align: left; }
.plots { overflow-x: hidden; scrollbar-gutter: stable; }
.laps-tbl tbody.foot tr.ideal td { color: var(--purple); }
.laps-tbl tbody.foot tr.refrow td { font-style: italic; }
.laps-tbl tbody.foot tr:first-child td { border-top: 2px solid var(--line); }
.laps-tbl td.ref { color: var(--accent2); }
.lapchk { position: relative; display: inline-block; width: 14px; height: 14px; }
.lapchk input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.lapchk span { display: block; width: 14px; height: 14px; border-radius: 3px; border: 1.5px solid var(--muted); background: var(--c); pointer-events: none; }
.tabs { display: flex; gap: 2px; padding: 4px; flex-wrap: wrap; }
.tab { background: var(--panel2); border: 1px solid var(--line); color: var(--muted); padding: 3px 8px; border-radius: 5px; cursor: pointer; font: inherit; font-size: 12px; }
.tab.on { color: var(--text); border-color: var(--accent); }
.stats-det summary { cursor: pointer; padding: 6px 4px; font-size: 12px; color: var(--muted); }
.plots { flex: 1; overflow: auto; padding: 0 4px; }
.plot-holder { position: relative; border-bottom: 1px solid var(--line); }
.plot-holder.drop { outline: 2px dashed var(--accent); }
.plot-title { display: flex; gap: 4px; flex-wrap: wrap; padding: 3px 4px 0; font-size: 11px; cursor: grab; }
.chip { background: var(--panel2); border-radius: 10px; padding: 0 2px 0 8px; display: inline-flex; align-items: center; }
.chip-x { background: none; border: 0; color: var(--muted); cursor: pointer; font-size: 13px; padding: 0 4px; }
.uplot { font-family: inherit; }
.u-select { background: color-mix(in srgb, var(--accent) 18%, transparent); }
.vid-grid { flex: 1; display: grid; gap: 2px; min-height: 0; }
.vid-grid.n1 { grid-template-columns: 1fr; }
.vid-grid.n2 { grid-template-columns: 1fr 1fr; }
.vid-grid.n3 { grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; }
.vid-grid.n3 .vid-cell:first-child { grid-column: 1 / -1; }
.vid-grid.n4 { grid-template-columns: 1fr 1fr; grid-auto-rows: 1fr; }
.vid-grid.n5, .vid-grid.n6 { grid-template-columns: 1fr 1fr 1fr; grid-auto-rows: 1fr; }
.vid-cell { position: relative; border-top: 3px solid; min-height: 0; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.vid-cell video { width: 100%; height: 100%; object-fit: contain; background: #000; }
.vid-label { position: absolute; top: 4px; left: 4px; color: #fff; font-size: 11px; padding: 0 6px; border-radius: 3px; z-index: 2; }
.vid-empty { color: #888; font-size: 12px; padding: 16px; text-align: center; }
.video-pane .pane-title.overlay { position: static; color: #ddd; background: rgba(0,0,0,.4); }
.ana-grid .video-pane { padding-top: 0; }
.ana-grid .video-pane:not(.fullscreen) { min-height: min-content; }
.video-pane .vid-grid { min-height: 48px; }
.gg-pane canvas { display: block; margin: 0 auto; }
.data-tbl td:first-child { white-space: nowrap; color: var(--muted); }
.sector-editor { position: absolute; bottom: 8px; left: 8px; right: 8px; background: var(--panel); border: 1px solid var(--accent); border-radius: 8px; padding: 6px 8px; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; z-index: 5; }

/* maths / insights / reports */
.maths { display: flex; gap: 12px; min-height: 380px; }
.maths-list { width: 260px; border-right: 1px solid var(--line); padding-right: 8px; overflow: auto; max-height: 64vh; }
.maths-item { padding: 5px 8px; border-radius: 5px; cursor: pointer; font-size: 13px; }
.maths-item:hover { background: var(--panel2); }
.maths-item.on { color: var(--accent2); }
.maths-detail { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.insights { display: flex; flex-direction: column; gap: 10px; }
.ins-body { display: flex; flex-direction: column; gap: 10px; }
.tips { margin: 0; padding-left: 4px; list-style: none; }
.tips li { margin: 4px 0; padding-left: 8px; border-left: 3px solid var(--line); }
.tips li.sev3 { border-left-color: var(--bad); }
.tips li.sev2 { border-left-color: var(--warn); }
.tips .rid, .rid { display: inline-block; min-width: 30px; font-size: 11px; color: var(--muted); margin-right: 6px; }
.sevdot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--muted); }
.sevdot.sev3 { background: var(--bad); } .sevdot.sev2 { background: var(--warn); } .sevdot.sev1 { background: var(--ok); }
tr.grp td { border-top: 2px solid var(--line); }
@media (max-width: 768px) { .card table.grid.small td, .card table.grid.small th { padding: 4px 4px; font-size: 12px; } }
.tbl-wrap { overflow-x: auto; max-width: 100%; }
.modal .ins-body { padding-bottom: 12px; }
.tips .rid, td.rid { color: var(--text); opacity: .7; font-family: ui-monospace, monospace; }
.cols2 input[type=number] { text-align: right; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
.cols2 h4 { margin: 4px 0 8px; }
.row.wrap { flex-wrap: wrap; }
@media (max-width: 900px) { .cols2 { grid-template-columns: 1fr; } }
.ins-bar-l { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.report { display: flex; gap: 16px; }
.report .form { width: 240px; flex-shrink: 0; }
.hist { flex: 1; min-height: 360px; display: flex; flex-direction: column; }
.hist-box { flex: 1; display: flex; gap: 4px; }
.hist-box.v { align-items: stretch; height: 340px; }
.hist-box.v .hist-grp { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.hist-box.v .hist-bars { flex: 1; display: flex; align-items: flex-end; gap: 1px; }
.hist-box.v .hist-bar { flex: 1; min-height: 1px; position: relative; }
.hist-box.v .hist-bar span { position: absolute; top: -14px; left: 0; right: 0; text-align: center; font-size: 9px; }
.hist-box.h { flex-direction: column; }
.hist-box.h .hist-grp { display: flex; flex-direction: row-reverse; align-items: center; gap: 6px; }
.hist-box.h .hist-bars { flex: 1; display: flex; flex-direction: column; gap: 1px; }
.hist-box.h .hist-bar { height: 8px; font-size: 9px; }
.hist-box.h .hist-bar span { margin-left: 100%; padding-left: 3px; }
.hist-box.h .hist-lbl { width: 90px; text-align: right; }
.hist-lbl { font-size: 10px; color: var(--muted); text-align: center; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.legend { display: flex; gap: 12px; margin-top: 10px; font-size: 12px; flex-wrap: wrap; }
.acc-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 6px; }
.acc-row { display: flex; align-items: center; justify-content: space-between; gap: 6px; min-width: 0; background: var(--panel2); padding: 4px 8px; border-radius: 6px; font-size: 13px; }
.acc-row > span { min-width: 0; overflow-wrap: anywhere; flex: 1; }
.acc-row select { padding: 2px 4px; flex: none; }
.acc-row input[type=datetime-local] { min-width: 0; width: 185px; max-width: 45%; }

/* login */
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-box { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px; width: 340px; display: flex; flex-direction: column; gap: 12px; text-align: center; }
.login-box .brand { justify-content: center; }

/* mobile */
.m-bar { display: flex; gap: 8px; margin-bottom: 10px; position: sticky; top: 48px; background: var(--bg); padding: 6px 0; z-index: 5; }
.m-group { font-size: 12px; color: var(--muted); margin: 14px 2px 6px; font-weight: 600; }
.m-row { display: flex; justify-content: space-between; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 6px; gap: 8px; }
.m-row-main { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.m-row-side { text-align: right; }
.m-head { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.m-head .link { font-size: 26px; line-height: 1; }
.m-map { height: 260px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; margin-bottom: 10px; position: relative; overflow: hidden; }
.m-laps { display: flex; flex-direction: column; }
.m-lap { display: grid; grid-template-columns: 24px 40px 1fr 70px 80px; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--line); gap: 4px; }
.m-lap.best .num.strong { color: var(--purple); }
.m-lap.dim { opacity: .45; }
.m-file { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); }
.m-readout { display: flex; gap: 10px; flex-wrap: wrap; padding: 6px 2px; position: sticky; top: 48px; background: var(--bg); z-index: 5; }
body.mobile main { padding: 10px; }
body.mobile header.top { padding: 0 10px; gap: 8px; }
body.mobile .stat-row { gap: 6px; }
body.mobile .stat { padding: 8px; }
body.mobile .stat-v { font-size: 17px; }
body.mobile .modal { width: 100%; }
body.mobile .form.two { grid-template-columns: minmax(0, 1fr); }
body.mobile input, body.mobile select, body.mobile textarea { font-size: 16px; }
@media (max-width: 1100px) and (min-width: 769px) {
  .cols { flex-direction: column; } .col.wide { width: 100%; }
}

.vid-note { position: absolute; left: 0; right: 0; bottom: 0; padding: 4px 8px; font-size: 11px; background: rgba(0,0,0,.7); color: #f5b301; pointer-events: none; }
.ins-note { display: flex; flex-direction: column; gap: 2px; }
.ins-note textarea { width: 100%; resize: vertical; font: inherit; }
.gball-row { align-items: center; gap: 12px; }
.gball { background: var(--panel2, transparent); border-radius: 8px; flex: none; }

/* ---------- mobile polish ---------- */
.nav a, .brand { white-space: nowrap; }
.modal-head > span:first-child { min-width: 0; overflow-wrap: anywhere; padding-right: 8px; }
.m-rank { width: 22px; flex: none; text-align: center; font-weight: 700; color: var(--muted); }
.m-row-main .ell { display: block; max-width: 100%; }
.m-row-x { flex-direction: column; align-items: stretch; gap: 0; padding: 0; }
.m-row-control { display:flex; align-items:center; gap:8px; padding-right:12px; }
.m-row-top { display:flex; align-items:center; gap:8px; padding:10px 12px; min-width:0; flex:1; border:0; background:transparent; color:inherit; font:inherit; text-align:left; cursor:pointer; }
.m-row-top:hover { background:var(--panel2); }
.m-row-top .m-row-side { flex:none; }
.m-row-detail { padding: 2px 12px 10px; border-top: 1px dashed var(--line); }
.m-row-detail .kv-row .k { width: 80px; }
.m-sec { display: flex; align-items: center; gap: 8px; margin: 16px 2px 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.m-file { flex-direction: column; align-items: stretch; gap: 4px; padding: 8px 0; }
.m-file-name { display: flex; gap: 6px; align-items: flex-start; font-size: 13px; overflow-wrap: anywhere; line-height: 1.35; }
.m-file-act { display: flex; align-items: center; gap: 6px; }
.m-scroll { -webkit-overflow-scrolling: touch; }
.m-ro-lap { white-space: nowrap; }
.m-ro-pos { min-width: 52px; font-weight: 600; }
.modal.play .modal-body { padding: 10px; }
.play-ctl select { flex: 1; min-width: 0; }
body.mobile header.top { gap: 6px; padding: 0 8px; }
body.mobile .brand-t { display: none; }
body.mobile .nav { gap: 0; flex: none; }
body.mobile .nav a { padding: 6px 9px; }
body.mobile .user-btn { max-width: 34vw; overflow: hidden; text-overflow: ellipsis; padding: 4px 6px; }
body.mobile .stat-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
body.mobile .stat { min-width: 0; padding: 8px 6px; }
body.mobile .stat-v { font-size: 16px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
body.mobile .stat-l { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
body.mobile .m-lap { grid-template-columns: 22px 34px minmax(0, 1fr) auto auto; gap: 6px; }
body.mobile .m-lap > span:nth-child(4) { min-width: 50px; text-align: right; }
body.mobile .page-head { gap: 6px 10px; }
body.mobile .page-head h2 { font-size: 18px; }
body.mobile .card { padding: 10px; }
body.mobile .tbl-wrap { overflow-x: auto; }
body.mobile .tips li { overflow-wrap: anywhere; }
body.mobile .modal-wrap { padding: 6px; align-items: flex-start; padding-top: max(6px, env(safe-area-inset-top)); padding-bottom: max(6px, env(safe-area-inset-bottom)); overflow-y: auto; }
body.mobile .modal { max-height: calc(100dvh - max(6px, env(safe-area-inset-top)) - max(6px, env(safe-area-inset-bottom))); }
body.mobile .acc-row { flex-wrap: wrap; }
body.mobile .acc-row input[type=datetime-local] { width: 100%; max-width: 100%; }
body.mobile .modal.play { width: 100%; }
body.mobile .modal-foot { flex-wrap: wrap; }
body.mobile .modal-foot .btn { flex: 1; }
body.mobile .acc-grid { grid-template-columns: 1fr; }
body.mobile .toolbar select { width: 100%; }
body.mobile main { padding-bottom: calc(16px + env(safe-area-inset-bottom)); }
body.mobile .m-plots .plot-holder { overflow: hidden; }
.m-row-main .wrap { display: block; overflow-wrap: anywhere; }
/* compare table: keep the lap column pinned while the sector columns scroll */
table.m-cmp { border-collapse: separate; border-spacing: 0; }
table.m-cmp .m-pin { position: sticky; left: 0; z-index: 2; background: var(--panel); white-space: nowrap; border-right: 1px solid var(--line); box-shadow: 6px 0 6px -4px rgba(0,0,0,.45); }
table.m-cmp th.m-pin { z-index: 3; }
table.m-cmp td.sec, table.m-cmp th.num { text-align: right; min-width: 44px; }
/* right fade hints "more columns"; the 20px end padding means at full scroll the fade only covers empty space */
.m-scroll { overflow-x: auto; -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 18px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 18px), transparent); }
.m-scroll > table { margin-right: 20px; }
.menu-note { padding: 4px 10px; max-width: 220px; }
.corner-editor { width: 380px; max-width: 45vw; background: var(--panel); border: 1px solid var(--accent); border-radius: 8px; padding: 8px 10px; display: flex; flex-direction: column; gap: 6px; z-index: 40; box-shadow: 0 6px 24px rgba(0,0,0,.35); }
.corner-editor .row { gap: 6px; align-items: center; }
.sess-tabs .tab { display: inline-flex; align-items: center; gap: 6px; }
.sess-tabs .tab-x { opacity: .55; padding: 0 2px; border-radius: 3px; }
.sess-tabs .tab-x:hover { opacity: 1; background: var(--bad); color: #fff; }
.sess-tabs .tab-add { font-weight: 700; padding: 3px 10px; }
.sess-pick { min-width: 320px; max-width: calc(100vw - 16px); }
.sess-pick .menu-item { white-space: normal; }

/* RaceNAS desktop system — restrained surfaces, stable data colour and clear task hierarchy. */
:root {
  --bg: #f3f5f8; --panel: #fff; --panel2: #f7f9fc; --line: #dce2eb;
  --text: #18263b; --muted: #65758b; --accent: #d93042; --accent2: #c7283b;
  --focus: #327bd5; --selected: #edf4ff; --shadow: 0 6px 22px #24354a0a;
  --radius: 10px; --ok: #167653; --warn: #a76509; --bad: #c1283b;
  font-family: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}
html.dark, body.dark {
  --bg: #0d1420; --panel: #151e2c; --panel2: #1b2737; --line: #2b394b;
  --text: #e5edf7; --muted: #9baac0; --accent: #e34a5b; --accent2: #fc7f8d;
  --focus: #78b4ff; --selected: #20364e; --shadow: 0 6px 22px #0002;
  --ok: #58cda1; --warn: #f0bb65; --bad: #ff8b97; --green: #58cda1; --red: #ff8b97;
}
body { line-height: 1.45; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { transition: border-color .15s, background-color .15s, box-shadow .15s; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 3px; }
input:focus, select:focus, textarea:focus { border-color: var(--focus); box-shadow: 0 0 0 3px color-mix(in srgb,var(--focus) 14%,transparent); }
input[type=checkbox], input[type=radio] { accent-color: var(--focus); }
input[type=checkbox]:focus-visible, input[type=radio]:focus-visible { outline-offset: 2px; }
button:disabled { cursor: not-allowed; }
.btn { min-height: 36px; font-weight: 550; gap: 6px; border-radius: 7px; background: var(--panel); }
.btn:hover { background: var(--panel2); border-color: color-mix(in srgb,var(--muted) 70%,var(--line)); }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { filter: brightness(1.06); }
.btn.sm { min-height: 32px; }
.btn.xs { min-height: 26px; }
.btn.ghost { background: transparent; }
.icon-btn { min-width: 28px; min-height: 28px; border-radius: 5px; }
.icon-btn:hover { background: var(--panel2); color: var(--text); }
header.top { height: 56px; padding: 0 24px; gap: 24px; background: var(--panel); }
.brand { letter-spacing: -.35px; font-weight: 800; font-size: 17px; }
.nav { height: 100%; gap: 2px; align-items: center; }
.nav a { padding: 8px 14px; font-weight: 550; border: 1px solid transparent; }
.nav a.on { background: var(--selected); color: var(--focus); border-color: color-mix(in srgb,var(--focus) 20%,transparent); }
.nav a:hover { color: var(--text); }
main { max-width: 1560px; padding: 24px; }
.page-head { align-items: center; margin-bottom: 20px; gap: 12px; }
.page-head h2 { font-size: 24px; font-weight: 700; letter-spacing: -.5px; }
.page-intro { color: var(--muted); margin: 6px 0 20px; max-width: 850px; line-height: 1.7; }
.eyebrow { display: block; color: var(--muted); font-size: 11px; letter-spacing: 1px; font-weight: 650; text-transform: uppercase; }
.card { padding: 18px 20px; margin-bottom: 16px; box-shadow: var(--shadow); }
.card h3 { font-size: 15px; font-weight: 650; margin-bottom: 12px; }
.section-head { display: flex; align-items: center; gap: 12px; justify-content: space-between; margin-bottom: 14px; }
.section-head h3, .section-head h2 { margin: 0; font-size: 16px; }
.stat-grid, .stat-row { display: grid; grid-template-columns: repeat(auto-fit,minmax(155px,1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card, .stat { position: relative; min-width: 0; border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.stat-card > strong, .stat-v { display: block; font-size: 27px; font-weight: 700; line-height: 1.25; font-variant-numeric: tabular-nums; letter-spacing: -.5px; }
.stat-card > span, .stat-l { color: var(--muted); font-size: 12px; margin-top: 6px; }
.workspace-grid { display: grid; grid-template-columns: minmax(0,1.7fr) minmax(300px,1fr); gap: 20px; align-items: start; }
.workspace-grid > * { min-width: 0; }
.filter-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 14px 16px; margin: 0 0 18px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.filter-bar input[type=search], .filter-bar input:not([type]) { flex: 1; min-width: 200px; }
.status-strip { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; padding: 12px 16px; background: var(--panel2); border: 1px solid var(--line); border-radius: 8px; margin: 12px 0; }
.empty-state { display: flex; align-items: center; justify-content: center; flex-direction: column; padding: 48px 24px; gap: 12px; color: var(--muted); text-align: center; }
.empty-state h3 { color: var(--text); margin: 0; font-size: 17px; }
.product-list { display: flex; flex-direction: column; }
.task-row { display: flex; gap: 14px; align-items: center; padding: 14px 0; border-bottom: 1px solid var(--line); }
.task-row:last-child { border-bottom: 0; }
.task-row > .grow { min-width: 0; overflow-wrap: anywhere; }
.task-row .small { margin-top: 4px; }
.condition-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(155px,1fr)); gap: 14px; }
.timeline { border-left: 2px solid var(--line); padding-left: 20px; margin: 12px 8px; }
.timeline > * { position: relative; padding: 0 0 20px; }
.timeline > *::before { content:''; position: absolute; left:-26px; top: 5px; width: 10px; height:10px; border:2px solid var(--panel); border-radius:50%; background:var(--focus); }
.tab-list { display: flex; gap: 4px; border-bottom: 1px solid var(--line); padding-bottom: 10px; margin-bottom: 18px; flex-wrap: wrap; }
.tab-list .on { background: var(--selected); color: var(--focus); border-color: color-mix(in srgb,var(--focus) 35%,transparent); }
.event { overflow: hidden; box-shadow: var(--shadow); margin-bottom: 16px; }
.event-head { padding: 15px 18px; gap: 12px; font-size: 15px; }
.event-heading { display:flex; gap:8px; align-items:center; padding-right:12px; }
.event-heading .event-head { flex:1; min-width:0; text-align:left; }
.event-heading .event-head b { overflow-wrap:anywhere; }
.library-mobile-driver { display:none; }
.trend-group h3 { margin-bottom:8px; }
.trend-group > .row { margin-top:16px; }
.trend-detail { margin-top:20px; }
.trend-detail:empty { display:none; }
.trend-detail h4 { font-size:16px; margin:24px 0 14px; }
.trend-detail > details { margin:14px 0; }
.trend-detail .toolbar .field { min-width:180px; }
.trend-chart-wrap { border:1px solid var(--line); border-radius:10px; background:var(--panel2); padding:12px 14px; margin:16px 0; overflow-x:auto; }
.trend-chart { display:block; width:100%; max-height:300px; overflow:visible; }
.trend-chart text { font-size:12px; fill:var(--muted); font-variant-numeric:tabular-nums; }
.trend-grid { stroke:var(--line); stroke-width:1; }
.trend-point circle { fill:var(--focus); }
.trend-point .trend-point-hit { fill:transparent; }
.trend-point { cursor:pointer; outline:none; }
.trend-point:hover circle:not(.trend-point-hit), .trend-point:focus circle:not(.trend-point-hit) { stroke:var(--text); stroke-width:3; r:6; }
.trend-change { display:flex; gap:14px; align-items:center; padding:14px 18px; background:var(--panel2); border-radius:8px; }
.trend-change b { font-size:24px; }
.trend-change span { font-size:13px; color:var(--muted); }
.trend-reason { white-space:normal; min-width:180px; max-width:340px; }
.trend-raw { margin:18px 0; }
.trend-raw summary { cursor:pointer; font-weight:600; padding:8px 0; }
.event-body { padding: 0 18px 16px; }
.car-head { margin: 12px 0 8px; }
.carno { background: var(--panel2); color: var(--text); border: 1px solid var(--line); padding: 2px 7px; font-weight: 750; }
.season-title { letter-spacing: 1px; font-size: 12px; margin: 24px 0 10px; }
table.grid th { padding: 10px 10px; font-weight: 550; font-size: 12px; }
table.grid td { padding: 9px 10px; }
table.grid tr.click:hover td { background: var(--selected); }
.pill { padding: 2px 8px; font-size: 11px; line-height: 1.5; border-radius: 5px; }
.pill.ok { background: color-mix(in srgb,var(--ok) 8%,transparent); }
.pill.warn { background: color-mix(in srgb,var(--warn) 8%,transparent); }
.pill.bad { background: color-mix(in srgb,var(--bad) 8%,transparent); }
.field-label { font-weight: 550; font-size: 13px; }
.hint { font-size: 12px; line-height: 1.5; }
.form { gap: 14px; }
.modal { box-shadow: 0 20px 70px #0004; border-radius: 12px; }
.modal-head { padding: 16px 20px; font-size: 15px; }
.modal-body { padding: 20px; }
.modal-foot { padding: 14px 20px; }
.modal-wrap { background: #070d18a3; backdrop-filter: blur(3px); }
.dropdown { box-shadow: 0 12px 32px #0003; max-width: calc(100vw - 16px); }
.menu-item { min-height: 34px; }
.menu-note { max-width: 280px; }
.login { background: radial-gradient(ellipse at 15% 0%,color-mix(in srgb,var(--focus) 11%,transparent),transparent 55%),var(--bg); }
.login-box { width: 390px; padding: 38px; box-shadow: 0 24px 80px #0002; gap: 16px; }

/* A chart-led desktop workbench. All auxiliary panes remain available. */
main.ana-main { height: calc(100dvh - 56px); max-width: none; padding: 0; }
.ana-context { display:flex; align-items:center; flex-wrap:wrap; gap:20px; padding:12px 18px; min-height:69px; background:var(--panel); border-bottom:1px solid var(--line); flex-shrink:0; }
.ana-object { flex:1; min-width:130px; overflow:hidden; display:flex; flex-direction:column; gap:4px; }
.ana-object strong { max-width:100%; font-size:16px; line-height:1.3; font-weight:650; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.ana-object .eyebrow { white-space:nowrap; text-overflow:ellipsis; overflow:hidden; letter-spacing:.4px; }
.context-choice { display:flex; align-items:center; gap:8px; min-width:0; }
.context-choice > span { color:var(--muted); font-size:12px; white-space:nowrap; }
.context-choice select { min-width:0; max-width:240px; min-height:32px; }
.context-count { font-size:12px; color:var(--muted); white-space:nowrap; padding-left:12px; border-left:1px solid var(--line); }
.ana-toolbar { padding:8px 12px; gap:7px; flex-shrink:0; }
.ana-toolbar .btn.primary { font-weight:650; }
.ana-toolbar .seg { height:32px; }
.segb.on { background:var(--selected); color:var(--focus); font-weight:650; }
.ana-preset { min-width:116px; min-height:32px; font-weight:600; }
.ana-grid { gap:0; padding:8px; flex-wrap:nowrap; min-width:0; }
.ana-left { flex:0 0 286px; max-width:45%; height:auto; overflow:hidden; }
.ana-right { flex:0 0 250px; max-width:60%; height:auto; margin:0; overflow:hidden; }
.ana-center { min-width:320px; height:auto; overflow:hidden; }
main[data-preset=insights] .ana-left { flex-basis:340px; max-width:42%; }
main[data-preset=insights] .ana-grid { position:relative; }
main[data-preset=insights] .ana-right:not(.hidden) { flex-basis:250px; overflow:hidden; }
main[data-preset=engineering] .ana-left { flex-basis:max(380px,27%); }
main[data-preset=engineering] .ana-right { flex-basis:max(290px,24%); }
main[data-preset=video] .ana-right { flex-basis:53%; }
.ana-right > .pane + .pane { margin-left:0 !important; }
.ana-grid .vsplit { display:block; flex-basis:8px; }
.ana-grid .vsplit::after { left:3px; background:color-mix(in srgb,var(--line) 45%,transparent); }
.ana-grid .vsplit:hover::after { background:var(--focus); }
.pane { box-shadow:0 2px 8px #00000008; border-radius:8px; }
.pane-title { min-height:33px; padding:6px 10px; font-size:13px; gap:7px; }
.pane-title .small { font-weight:400; font-size:11px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.pane-title.overlay { flex-wrap:wrap; }
.map-pane .pane-title.overlay { gap:3px; min-height:31px; padding:4px; }
.map-pane .pane-title.overlay select { min-width:0; max-width:115px; }
.map-pane .pane-title.overlay .btn { font-size:11px; padding:2px 5px; }
.ana-grid .graph-pane { min-height:240px; }
.ana-grid .graph-pane > .plots { min-height:120px; }
.ana-grid .graph-pane > .comparison-legend { max-height:76px; overflow:auto; flex-shrink:0; }
.ana-grid .ana-center { overflow-y:auto; }
@media (max-height:700px) {
  .video-pane .pane-title.overlay { gap:3px; padding:4px; font-size:11px; }
  .video-pane .pane-title .btn { font-size:11px; padding:2px 5px; }
  .video-pane .vid-grid { min-height:32px; }
}
.graph-pane .pane-title { border-bottom:0; color:var(--muted); }
.graph-pane .pane-title > .small { max-width:70%; }
.graph-pane.updating::after { content:'正在更新曲线 · 现有结果暂留'; position:absolute; top:78px; right:12px; z-index:8; color:var(--text); background:var(--panel2); border:1px solid var(--line); padding:5px 10px; border-radius:6px; font-size:12px; }
.comparison-legend { overflow-wrap:anywhere; display:flex; align-items:center; flex-wrap:wrap; gap:6px 14px; min-height:38px; padding:8px 12px; border-bottom:1px solid var(--line); background:var(--panel2); }
.comparison-lap { min-width:0; display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:550; }
.comparison-lap i { width:16px; height:3px; border-radius:2px; flex:none; }
.identity-tag { border:1px solid var(--line); padding:0 4px; border-radius:3px; color:var(--muted); font-size:10px; font-weight:550; }
.ref-tag { border-style:dashed; }
.laps-pane .pane-title { flex-wrap:wrap; }
.laps-pane .pane-title .small { white-space:normal; line-height:1.4; }
.laps-tbl td, .laps-tbl th { font-size:13px !important; padding:7px 6px !important; }
.laps-tbl td.sec, .laps-tbl th { font-size:12px !important; }
.laps-tbl td.ref { color:var(--text); text-decoration:underline; text-decoration-style:dashed; text-underline-offset:4px; }
.laps-tbl tr.selected td { background:var(--selected); }
.laps-tbl { border-collapse:separate !important; border-spacing:0; }
.laps-tbl th:first-child, .laps-tbl td:first-child { position:sticky; left:0; background:var(--panel); z-index:3; min-width:28px; }
.laps-tbl th:nth-child(2), .laps-tbl td:nth-child(2) { position:sticky; left:28px; background:var(--panel); z-index:3; box-shadow:4px 0 5px -4px #0006; }
.laps-tbl tr.selected td:first-child, .laps-tbl tr.selected td:nth-child(2) { background:var(--selected); }
.laps-tbl th:first-child, .laps-tbl th:nth-child(2) { z-index:4; }
.lap-scroll { scrollbar-width:thin; scrollbar-color:var(--muted) var(--panel2); }
.lapchk { width:18px; height:18px; }
.lapchk span { width:18px; height:18px; }
.lapchk:has(input:focus-visible) { outline:2px solid var(--focus); outline-offset:2px; }
.sess-tabs { flex-shrink:0; padding:6px; }
.sess-tabs .tab { max-width:100%; font-size:12px; white-space:normal; text-align:left; }
.sess-tabs .tab.on { border-color:var(--focus); background:var(--selected); }
.laps-pane > .pad { padding:10px; line-height:1.6; }
main[data-density=compact] .laps-tbl td, main[data-density=compact] .laps-tbl th { padding:3px 5px !important; font-size:12px !important; }
.plot-title { min-height:27px; padding:5px 8px 0; gap:6px; }
.chip { border:1px solid var(--line); border-radius:5px; padding-left:7px; font-size:11px; }
.plots { padding:0 4px 0 0; }
.ana-timeline { display:flex; align-items:center; flex-wrap:wrap; gap:6px; min-height:39px; padding:5px 12px; border-top:1px solid var(--line); background:var(--panel); flex-shrink:0; }
.ana-timeline .sep { height:18px; width:1px; background:var(--line); margin:0 5px; }
.ana-timeline .positionLabel { white-space:nowrap; }
.ana-timeline > .grow { min-width:0; overflow-wrap:anywhere; }
.ana-grid .pane.fullscreen { inset:64px 8px 8px; }
.ana-grid .video-pane.fullscreen { bottom:48px; }
main.ana-main:has(.video-pane.fullscreen) .ana-timeline { position:relative; z-index:51; }
.insight-sidebar { flex:1; min-height:220px; }
.insight-scroll { flex:1; overflow:auto; scroll-behavior:auto; min-height:0; }
.insight-summary { padding:16px 16px 12px; border-bottom:1px solid var(--line); }
.insight-summary h3 { font-size:16px; margin:5px 0 9px; font-weight:650; letter-spacing:-.3px; }
.insight-summary p { margin:5px 0; line-height:1.6; }
.insight-filter { display:flex; align-items:center; justify-content:space-between; padding:12px 14px; gap:10px; }
.insight-filter select { min-width:120px; padding:5px 8px; font-size:12px; }
.insight-list { padding:0 10px 10px; display:flex; flex-direction:column; gap:8px; }
.insight-card { display:flex; flex-direction:column; gap:9px; width:100%; color:var(--text); text-align:left; border:1px solid var(--line); background:var(--panel); border-radius:8px; padding:12px; font:inherit; cursor:pointer; }
.insight-card:hover { background:var(--panel2); border-color:var(--muted); }
.insight-card.on { background:var(--selected); border-color:var(--focus); box-shadow:inset 3px 0 var(--focus); }
.insight-card .row { gap:4px; }
.insight-location { font-size:13px; font-weight:650; margin-right:auto; }
.insight-text { display:block; font-size:13px; line-height:1.65; overflow-wrap:anywhere; }
.insight-foot { display:flex; justify-content:space-between; gap:6px; font-size:11px; color:var(--muted); }
.insight-foot > span { color:var(--focus); }
.evidence-card { margin:12px 10px 2px; padding:13px; background:var(--selected); border:1px solid color-mix(in srgb,var(--focus) 50%,var(--line)); border-radius:8px; }
.evidence-card h4 { margin:10px 0 6px; font-size:15px; }
.evidence-card p { font-size:13px; line-height:1.7; margin:8px 0; }
.evidence-pair { display:flex; flex-wrap:wrap; gap:8px; margin:10px 0; font-size:12px; }
.evidence-pair > span { display:flex; gap:6px; padding:5px 8px; background:var(--panel); border:1px solid var(--line); border-radius:5px; }
.evidence-limits { margin:8px 0; padding-left:17px; font-size:12px; color:var(--muted); line-height:1.6; }
.evidence-card .row { margin:10px 0; gap:5px; }
.insight-coverage { border-top:1px solid var(--line); padding:12px 14px; font-size:12px; }
.insight-coverage summary { cursor:pointer; color:var(--muted); }
.coverage-row { display:grid; grid-template-columns:28px 1fr; gap:3px 8px; padding:7px 0; border-bottom:1px solid var(--line); }
.coverage-row > span:last-child { grid-column:2; font-size:11px; }
.insight-secondary { display:flex; flex-wrap:wrap; gap:8px; padding:12px 14px; border-top:1px solid var(--line); }
main[data-preset=insights] .ana-left > .insight-sidebar { flex:1 1 0; }
main[data-preset=insights] .ana-center > .video-pane, main[data-preset=engineering] .ana-center > .video-pane { flex:3 1 0; }
main[data-preset=insights] .ana-center > .graph-pane, main[data-preset=engineering] .ana-center > .graph-pane { flex:2 1 0; }
main[data-preset=insights] .ana-right > .map-pane { flex:3 1 0; }
main[data-preset=insights] .ana-right > .gg-pane { flex:2 1 0; }
main[data-preset=video] .video-pane { background:#080d15; }
@media (min-width:769px) and (max-width:1200px) {
  .ana-context { gap:10px; padding:10px 12px; }
  .context-choice { flex-direction:column; align-items:flex-start; gap:2px; }
  .context-choice select { max-width:180px; }
  .ana-left { flex-basis:240px; }
  .ana-right { flex-basis:220px; flex-direction:column; }
  .ana-center { min-width:260px; }
  .ana-right > .hsplit { display:block; }
  main[data-preset=engineering] .ana-left { flex-basis:290px; }
  main[data-preset=engineering] .ana-right { flex-basis:240px; }
  main[data-preset=insights] .ana-left { flex-basis:280px; }
  main[data-preset=insights] .ana-right:not(.hidden) { flex-basis:220px; }
  .ana-toolbar { gap:5px; padding:6px 8px; }
  .ana-toolbar .btn.sm { padding:4px 7px; }
  .ana-toolbar .sep { margin:0; }
  .workspace-grid { grid-template-columns:minmax(0,1.4fr) minmax(280px,1fr); }
}
@media (max-width:1000px) {
  header.top { padding:0 14px; gap:12px; }
  .nav a { padding:7px 9px; }
  main:not(.ana-main) { padding:18px; }
  .workspace-grid { grid-template-columns:1fr; }
}
@media (max-width:768px) {
  header.top { height:48px; }
  .page-head h2 { font-size:21px; }
  .card { padding:14px; }
  .stat-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:10px; }
  .stat-card { padding:14px; }
  .stat-card > strong { font-size:23px; }
  .filter-bar { padding:10px; }
  .filter-bar > * { min-width:0; max-width:100%; }
  .task-row { flex-wrap:wrap; }
  .btn { min-height:40px; }
  .modal-body { padding:16px; }
  body.mobile .modal-foot .btn { min-height:44px; }
  .event-heading { align-items:flex-start; padding-right:8px; }
  .event-heading .event-head { flex-wrap:wrap; padding:12px; gap:8px; }
  .event-heading > .btn { flex:none; margin-top:9px; }
  .library-session-table { overflow:visible; }
  .library-mobile-driver { display:block; margin-top:4px; }
  .trend-chart { min-width:550px; }
  .library-session-table table, .library-session-table tbody { display:block; width:100%; }
  .library-session-table thead { position:absolute; width:1px; height:1px; padding:0; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }
  .library-session-table tr { position:relative; display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); gap:8px 10px; padding:12px; border-bottom:1px solid var(--line); }
  .library-session-table table.grid td { display:block; min-width:0; white-space:normal; padding:0; border:0; font-size:13px; text-align:left; }
  .library-session-table td:nth-child(1) { position:absolute; right:6px; top:4px; }
  .library-session-table td:nth-child(1) input { width:22px; height:22px; margin:10px; }
  .library-session-table table.grid td:nth-child(2) { grid-column:1 / -1; padding-right:34px; font-size:14px; overflow-wrap:anywhere; }
  .library-session-table table.grid td:nth-child(3), .library-session-table table.grid td:nth-child(6), .library-session-table table.grid td:nth-child(7) { display:none; }
  .library-session-table td:nth-child(4)::before { content:'有效圈 '; color:var(--muted); font-weight:400; }
  .library-session-table td:nth-child(5)::before { content:'最快圈 '; color:var(--muted); font-weight:400; }
  .library-session-table table.grid td:nth-child(8) { align-self:center; }
  .library-session-table table.grid td:nth-child(9) { display:flex; gap:10px; align-items:center; justify-content:flex-end; }
  .library-session-table td:nth-child(9) .link, .library-session-table td:nth-child(9) .btn { min-width:44px; min-height:44px; display:inline-flex; align-items:center; justify-content:center; }
}
@media (prefers-reduced-motion:reduce) { * { scroll-behavior:auto !important; transition:none !important; } }
.brand { display:inline-flex; align-items:center; gap:9px; }
.brand-mark { display:inline-flex; align-items:center; justify-content:center; width:27px; height:29px; flex:none; border-radius:6px 6px 6px 2px; background:var(--accent); color:#fff; font-size:19px; font-style:italic; font-weight:850; line-height:1; box-shadow:inset -5px 0 #00000012; }
.brand.big .brand-mark { width:37px; height:40px; font-size:27px; }
.tab-list { gap:16px; padding:0; }
.tab-list a.tab { font-size:14px; font-weight:550; border:0; border-bottom:2px solid transparent; border-radius:0; background:transparent; padding:11px 2px 12px; color:var(--muted); }
.tab-list a.tab.on { border-bottom-color:var(--focus); color:var(--focus); background:transparent; }
.tab-list a.tab:hover { color:var(--text); border-bottom-color:var(--line); }
.insight-comparison { display:flex; flex-direction:column; gap:9px; padding:12px 14px; border-bottom:1px solid var(--line); background:var(--panel2); }
.insight-comparison .field { flex-direction:row; justify-content:space-between; align-items:center; gap:8px; }
.insight-comparison select { font-size:12px; padding:5px 8px; max-width:210px; }
.insight-comparison .field-label { font-size:12px; }
.insight-filter + .insight-filter { padding-top:0; }
.insight-filter-pair { display:grid; grid-template-columns:1fr 1fr; padding:0 14px 12px; gap:10px; }
.insight-filter-pair .insight-filter { padding:0; flex-direction:column; align-items:stretch; gap:4px; min-width:0; }
.insight-filter-pair select { min-width:0; width:100%; }
.graph-pane.update-failed::after { content:'更新失败 · 当前显示上次成功的曲线'; position:absolute; top:78px; right:12px; z-index:8; background:var(--panel); color:var(--bad); border:1px solid var(--bad); padding:5px 10px; border-radius:6px; font-size:12px; }
.evidence-metrics { margin:10px 0; font-size:12px; }
.evidence-metrics summary { cursor:pointer; color:var(--focus); }
.evidence-metrics .tbl-wrap { margin-top:8px; }
.evidence-metrics td:first-child { max-width:135px; white-space:normal; overflow-wrap:anywhere; }

.evidence-gap { display:flex; align-items:baseline; flex-wrap:wrap; gap:8px; margin:9px 0; }
.evidence-gap > b { font-size:19px; color:var(--text); font-weight:650; }
/* Keep the device profile editor usable without oversized numeric cells. */
.modal.wide input[aria-label$='来源'] { width:100%; min-width:175px; max-width:270px; }
.modal.wide input[aria-label$='原始单位'] { width:78px; min-width:0; }
.modal.wide input[aria-label$='比例'], .modal.wide input[aria-label$='零点修正'] { width:84px; min-width:0; font-variant-numeric:tabular-nums; }
.modal .condition-grid { min-width:0; }
.modal .condition-grid .field { min-width:0; }
.modal .condition-grid input, .modal .condition-grid select { width:100%; min-width:0; }
.modal .condition-grid .field-label { white-space:normal; line-height:1.5; }
.modal:not(.wide):not(.conditions):has(.form.two), .modal:not(.wide):not(.conditions):has(.condition-grid), .modal:not(.wide):not(.conditions):has(.form > .tbl-wrap) { width:min(900px,100%); }
.modal .form > details, .modal .form.two > details { min-width:0; }
.modal .form > details > summary, .modal .form.two > details > summary { cursor:pointer; padding:8px 0; font-weight:600; }
.modal .form > details[open], .modal .form.two > details[open] { padding-bottom:10px; }
.modal .form.two > details { grid-column:1 / -1; }
.modal.conditions { width:min(1050px,100%); }
.modal.conditions .condition-grid { grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px 16px; }
.modal.conditions .condition-tools, .modal.conditions .condition-grid > p { grid-column:1 / -1; }
.modal.conditions .condition-grid > details { grid-column:span 2; }
.modal.conditions .condition-grid > .check { align-self:end; min-height:38px; }
.modal.conditions .modal-body { padding:16px 20px; }
.modal.notices { width:min(680px,100%); }
.notice-item { display:flex; align-items:center; gap:12px; padding:12px 0; border-bottom:1px solid var(--line); }
.notice-item:last-child { border-bottom:0; }
.notice-item .grow { min-width:0; overflow-wrap:anywhere; }
.notice-bell { position:relative; flex:none; display:grid; place-items:center; width:36px; height:36px; padding:0; border:0; border-radius:8px; color:var(--text); background:transparent; cursor:pointer; }
.notice-bell:hover, .notice-bell:focus-visible { background:var(--selected); }
.notice-icon { display:block; width:22px; height:22px; background:currentColor; -webkit-mask:no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 8a6 6 0 0 0-12 0c0 7-3 7-3 9h18c0-2-3-2-3-9M10 21h4'/%3E%3C/svg%3E"); mask:no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 8a6 6 0 0 0-12 0c0 7-3 7-3 9h18c0-2-3-2-3-9M10 21h4'/%3E%3C/svg%3E"); }
.notice-dot { position:absolute; top:5px; right:5px; width:8px; height:8px; border-radius:50%; background:#e34b4b; box-shadow:0 0 0 2px var(--panel); }
.notice-dot.hidden { display:none; }
@media (max-width:768px) {
  .modal.conditions .condition-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
  .modal.conditions .condition-grid > details { grid-column:1 / -1; }
}
@media (max-width:480px) {
  .modal.conditions .condition-grid { grid-template-columns:minmax(0,1fr); }
  .modal.conditions .condition-grid > details { grid-column:auto; }
  .notice-item { flex-wrap:wrap; }
}
.modal input[aria-label='起始圈'], .modal input[aria-label='结束圈'] { width:110px; }
.modal .stat-grid { margin-top:14px; }
.modal .stat-grid .stat-v { font-size:23px; }
.pane-menu-row { cursor:default; }
.pane-menu-row .check { cursor:pointer; }
.pane-full-exit { position:fixed; right:18px; top:69px; z-index:61; box-shadow:0 2px 10px #0003; }
.ana-grid .pane.fullscreen > .pane-title { padding-right:130px; }
.sample-coverage { font-size:12px; color:var(--muted); }
.sample-coverage summary { cursor:pointer; }
.sample-coverage p { line-height:1.6; margin:7px 0; }
/* Density applies to product tables; the workbench may keep its own saved preference. */
body[data-density=compact] main:not(.ana-main) table.grid td { padding:5px 8px; }
body[data-density=compact] main:not(.ana-main) table.grid th { padding:6px 8px; }
body[data-density=compact] .task-row { padding-top:9px; padding-bottom:9px; }
body[data-density=compact] .event-head { padding-top:10px; padding-bottom:10px; }
.ficon[data-kind] { display:inline-flex; align-items:center; justify-content:center; width:30px; height:34px; font-size:0; background:var(--panel2); color:var(--muted); border:1px solid var(--line); border-radius:6px; }
.ficon[data-kind]::before { content:''; display:block; width:20px; height:20px; background:currentColor; mask:no-repeat center / contain url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M13 3H6a1 1 0 0 0-1 1v16a1 1 0 0 0 1 1h12a1 1 0 0 0 1-1V9zM13 3v6h6M8 13h8M8 17h5'/%3E%3C/svg%3E"); }
.ficon[data-kind=vbo] { color:var(--focus); }
.ficon[data-kind=vbo]::before { mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 4v16h16M7 15l4-6 4 3 5-7'/%3E%3C/svg%3E"); }
.ficon[data-kind=video]::before { mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='5' width='18' height='14' rx='2'/%3E%3Cpath d='m10 9 5 3-5 3z'/%3E%3C/svg%3E"); }
.ficon[data-kind=image]::before { mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2'/%3E%3Ccircle cx='8' cy='8' r='1.5'/%3E%3Cpath d='m3 17 5-5 4 4 4-7 5 8'/%3E%3C/svg%3E"); }
.ficon[data-kind=vbo_old]::before { mask-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='black' stroke-width='1.7' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='5' rx='1'/%3E%3Cpath d='M5 8v13h14V8M9 12h6'/%3E%3C/svg%3E"); }

/* Versioned engineering records share the same readable desktop form rhythm. */
.condition-tools { grid-column:1 / -1; padding:12px 14px; background:var(--panel2); border:1px solid var(--line); border-radius:8px; }
.condition-tools p { margin:8px 0 12px; max-width:75ch; }
.setup-fields,.driver-stint-editor { display:grid; gap:12px; }
.setup-field { min-width:0; border:1px solid var(--line); border-radius:10px; padding:14px; background:var(--panel2); }
.setup-field .condition-grid { grid-template-columns:repeat(3,minmax(0,1fr)); gap:10px 14px; }
.setup-field input,.setup-field select { width:100%; min-width:0; }
.setup-field details { margin:10px 0; }
.setup-field details>.condition-grid { margin-top:10px; }
.driver-stint-editor .setup-field .condition-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
.driver-stint-editor .setup-field .field:last-child { grid-column:1 / -1; }
@media(max-width:600px) {
  .setup-field .condition-grid,.driver-stint-editor .setup-field .condition-grid { grid-template-columns:minmax(0,1fr); }
  .setup-field { padding:11px; }
}

/* Coach suggestions: list first, evidence beside the selected observation. */
.insight-sidebar .pane-title { gap:8px; flex-wrap:wrap; }
.insight-list .evidence-card { margin:-2px 0 6px; }
.insight-filters, .insight-notice { margin:10px 14px; font-size:12px; }
.insight-filters summary, .insight-notice summary { cursor:pointer; line-height:1.6; }
.insight-filters summary { color:var(--muted); }
.insight-notice { padding:8px 10px; background:color-mix(in srgb,var(--warn) 10%,var(--panel)); border:1px solid color-mix(in srgb,var(--warn) 35%,var(--line)); border-radius:6px; }
.insight-notice summary { color:var(--warn); }
.insight-notice ul { padding-left:16px; line-height:1.65; }
.insight-filter-grid { display:grid; grid-template-columns:1fr 1fr; align-items:end; gap:10px; margin-top:10px; }
.insight-filter-grid .field { min-width:0; }
.insight-filter-grid select { width:100%; min-width:0; font-size:12px; }
.insight-comparison select { min-width:0; width:auto; max-width:70%; }
.insight-foot { align-items:center; flex-wrap:wrap; }
.insight-foot > span { white-space:nowrap; }
.insight-card:focus-visible { outline:2px solid var(--focus); outline-offset:2px; }
.insight-list { padding-top:4px; }
/* Measured interval combinations and grouped Coach observations. */
.optimal-overview { margin: 10px 0; padding: 10px; border: 1px solid var(--border, #626976); border-radius: 8px; }
.optimal-row { display: flex; flex-direction: column; gap: 3px; width: 100%; text-align: left; color: inherit; background: transparent; border: 0; border-bottom: 1px solid var(--border, #626976); padding: 9px 0; cursor: pointer; }
.optimal-row:hover { background: rgba(100,160,240,.12); }
.optimal-row:disabled { opacity: .6; cursor: default; }
.insight-group-title { margin: 16px 0 6px; font-size: 13px; }