/* ============================================================================
   Delta Chrono — "Cyber-Terminal" Outrun theme
   Dark-gray surfaces · laser-blue #05D9E8 · neon-pink #FF2A6D accents
   Sharp corners, no gradients, neon CRT glow on action elements.
   ============================================================================ */

:root {
  --bg:        #121212;   /* primary canvas (never pure black)        */
  --panel:     #1a1a1a;   /* section panels (dark gray)               */
  --card:      #262626;   /* secondary surfaces: inputs, buttons, th  */
  --card-hi:   #313131;   /* hover state for secondary surfaces       */
  --chart-bg:  #161616;   /* SVG chart canvas                         */
  --border:    #2e2e2e;   /* borders + dividers                       */
  --grid:      #242424;   /* faint chart gridlines                    */

  --blue:      #05D9E8;   /* laser blue — headings, active, info text */
  --pink:      #FF2A6D;   /* neon pink — actions, hover, critical     */

  --text:      #d7eef2;   /* primary readable text (phosphor white)   */
  --text-dim:  #8a7fa8;   /* muted text                               */
  --text-faint:#5b5277;   /* faintest labels                          */

  --glow-blue: 0 0 7px rgba(5, 217, 232, 0.55);
  --glow-pink: 0 0 8px rgba(255, 42, 109, 0.65);

  --mono: 'Consolas', 'SF Mono', ui-monospace, monospace;
  /* Title font: uses the self-hosted "ChronoTitle" face if present (see
     static/fonts/README.md), else a geometric system fallback. */
  --title: 'ChronoTitle', 'Bahnschrift', 'Futura', 'Eurostile', 'Century Gothic',
           'Arial Black', var(--mono);
  --radius: 2px;          /* keep corners relatively square           */
}

/* Drop an Outrun-style font at static/fonts/chrono-title.(woff2|ttf) to use it
   for the title. font-display:swap → the fallback shows until/unless it loads, so
   a missing file just 404s harmlessly. */
@font-face {
  font-family: 'ChronoTitle';
  src: url('/static/fonts/chrono-title.woff2?v=2') format('woff2'),
       url('/static/fonts/chrono-title.ttf?v=2') format('truetype');
  font-weight: 100 900;
  font-display: swap;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Segoe UI', system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

/* header --------------------------------------------------------------- */

header {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--pink);
  box-shadow: 0 0 12px rgba(255, 42, 109, 0.35);
  flex-wrap: wrap;
}

header h1 {
  font-family: var(--title);
  font-weight: 800;
  font-size: 1.55rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blue);          /* keep the laser-blue + glow */
  text-shadow: var(--glow-blue);
}

.timer {
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 1rem;
  color: var(--blue);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius);
}

#session-best  { font-size: 0.85rem; color: var(--blue); }
.session-desc  { font-size: 0.78rem; color: var(--text-dim); margin-left: auto; }

/* flags (race-control semantics retained, theme-tuned) ----------------- */

.flag-badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.flag-green  { background: #0c2a0c; color: #4dff88; border: 1px solid #1c5c2c; }
.flag-yellow { background: #2a2300; color: #ffd23f; border: 1px solid #5c4a00; }
.flag-red    { background: #2a0a14; color: var(--pink); border: 1px solid var(--pink); }
.flag-sc     { background: #0a1f2a; color: var(--blue); border: 1px solid #0a4a55; }
.flag-vsc    { background: #0a1f2a; color: var(--blue); border: 1px solid #0a4a55; }
.flag-chequered { background: #1a1a1a; color: #fff; border: 1px solid #444; }

/* status badge + live pulse ------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.badge.connected    { background: #07222a; color: var(--blue); border: 1px solid #0a4a55;
                      text-shadow: var(--glow-blue); }
.badge.disconnected { background: #2a0a14; color: var(--pink); border: 1px solid var(--pink);
                      text-shadow: var(--glow-pink); }

.pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: currentColor;
}
.badge.connected .pulse { animation: pulse 1.4s ease-out infinite; }
.badge.disconnected .pulse { opacity: 0.5; }

@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 rgba(5, 217, 232, 0.7); }
  70%  { box-shadow: 0 0 0 7px rgba(5, 217, 232, 0); }
  100% { box-shadow: 0 0 0 0 rgba(5, 217, 232, 0); }
}

/* tab bar ------------------------------------------------------------- */

#tab-bar {
  display: flex;
  gap: 0;
  padding: 0 1.5rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
#tab-bar::-webkit-scrollbar { display: none; }

.tab-btn {
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.6rem 1rem;
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.15s, border-color 0.15s, text-shadow 0.15s;
}
.tab-btn:hover { color: var(--pink); text-shadow: var(--glow-pink); }
.tab-btn.active {
  color: var(--blue);
  border-bottom-color: var(--blue);
  text-shadow: var(--glow-blue);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* layout -------------------------------------------------------------- */

main { padding: 1rem 1.5rem; }

.tab-panel section {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 0;
  padding: 1rem;
  margin-bottom: 1rem;
}

section h2 {
  font-family: var(--mono);
  font-size: 1rem;
  margin-bottom: 0.75rem;
  color: var(--blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-shadow: var(--glow-blue);
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
}

#mode-toggle { display: inline-flex; gap: 0; }

/* column toggles --------------------------------------------------------- */

#col-toggles { display: inline-flex; gap: 0.25rem; flex-wrap: wrap; }

.col-toggle-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.12rem 0.45rem;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.col-toggle-btn:hover { background: var(--card-hi); color: var(--blue); }
.col-toggle-btn.col-hidden {
  background: var(--bg);
  border-color: var(--border);
  color: var(--text-faint);
  text-decoration: line-through;
}

.refresh-btn {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--blue);
  font-size: 1rem;
  line-height: 1;
  padding: 0.15rem 0.45rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
  margin-left: auto;
}
.refresh-btn:hover { background: var(--card-hi); color: var(--pink); box-shadow: var(--glow-pink); }

.mode-btn {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.55rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}
.mode-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.mode-btn:last-child  { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }
.mode-btn.active {
  background: var(--pink); border-color: var(--pink); color: #120008;
  box-shadow: var(--glow-pink);
}
.mode-btn:not(.active):hover { background: var(--card-hi); color: var(--blue); }

.empty-hint { color: var(--text-dim); font-size: 0.85rem; font-style: italic; padding: 0.5rem 0; }

/* tables -------------------------------------------------------------- */

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th {
  text-align: left;
  padding: 0.4rem 0.6rem;
  background: var(--card);
  color: var(--blue);
  font-family: var(--mono);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  position: sticky;
  top: 0;
}
td { padding: 0.4rem 0.6rem; border-bottom: 1px solid var(--border); }
td.pos { font-variant-numeric: tabular-nums; font-weight: 700; color: var(--pink); }
#leaderboard tbody tr:hover { background: var(--card); cursor: pointer; }

/* cross-tab car selection — shared across leaderboard, comp, pit, tyre tables */
tbody tr.car-selected {
  background: #241a1e;
  box-shadow: inset 3px 0 0 var(--pink), inset 0 0 18px rgba(255, 42, 109, 0.12);
}
tbody tr.car-selected td.pos { color: var(--pink); text-shadow: var(--glow-pink); }
#comp-table tbody tr,
#pit-table tbody tr,
#tyre-table tbody tr { cursor: pointer; }
#comp-table tbody tr:hover,
#pit-table tbody tr:hover,
#tyre-table tbody tr:hover { background: var(--card); }

/* SVG marks (violin column group, series/tyre dots, pit-timeline row) */
.violin-car, .pit-row { cursor: pointer; }
.mark-selected { filter: drop-shadow(0 0 4px rgba(255, 42, 109, 0.95)); }
/* pit-timeline selected row: red label + red-edged background, class-driven so
   it follows the selection instead of sticking on a stale render */
.pit-row.mark-selected .pit-label { fill: var(--pink); }
.pit-row.mark-selected .pit-bg    { fill: #2a0a1a; stroke: var(--pink); stroke-width: 1; }

/* header clear-selection affordance */
#clear-selection {
  background: #2a0a14; color: var(--pink);
  border: 1px solid var(--pink); border-radius: var(--radius);
  font-size: 0.72rem; padding: 0.1em 0.55em; cursor: pointer;
  box-shadow: var(--glow-pink);
}
#clear-selection:hover { background: #3a0f1e; }

/* sector / best colour coding (timing semantics retained) ------------- */

.cell-sb { color: #ffd23f; font-weight: 700; }   /* session best lap     */
.sec-best { color: #4dff88; font-weight: 600; }   /* personal best sector */
.flag-pb { color: var(--blue); font-weight: 700; }
.flag-sb { color: #ffd23f; font-weight: 700; }

.pos-up { font-size: 0.7em; color: #4dff88; margin-left: 0.2em; }
.pos-dn { font-size: 0.7em; color: var(--pink); margin-left: 0.2em; }
.car-num {
  display: inline-block;
  background: var(--card); color: var(--blue);
  font-size: 0.78em; font-weight: 700;
  padding: 0.1em 0.4em; border-radius: var(--radius);
  font-variant-numeric: tabular-nums; margin-right: 0.3em;
  font-family: var(--mono);
}

/* new-lap flash ------------------------------------------------------- */

@keyframes rowFlash {
  0%   { background: rgba(5, 217, 232, 0.40); }
  100% { background: transparent; }
}
tr.flash { animation: rowFlash 0.9s ease-out; }

/* chart --------------------------------------------------------------- */

#chart-wrap { margin-bottom: 0.85rem; }
#lap-chart {
  width: 100%;
  height: auto;                /* follow 600×160 viewBox aspect -> round dots */
  aspect-ratio: 600 / 160;
  background: var(--chart-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: block;
}

/* alerts -------------------------------------------------------------- */

#alerts { list-style: none; max-height: 140px; overflow-y: auto; }
#alerts li {
  padding: 0.35rem 0.6rem;
  border-left: 3px solid var(--pink);
  margin-bottom: 0.4rem;
  font-size: 0.85rem;
  background: #20091a;
  border-radius: 0;
  animation: fadeIn 0.3s ease;
}
#alerts li.sb  { border-color: #ffd23f; background: #201a00; }
#alerts li.pb  { border-color: var(--blue); background: #04222a; }
#alerts li.pit { border-color: #4dff88; background: #06200c; }
#alerts li.flag { border-color: #ffd23f; background: #201a00; }

@keyframes fadeIn { from { opacity: 0; transform: translateX(-8px); } to { opacity: 1; } }

/* lap history --------------------------------------------------------- */

tr.lap-nonrep td { opacity: 0.45; }
tr.lap-nonrep { font-style: italic; }
tr.lap-highlight { background: #241a1e !important; cursor: pointer; }
#history tbody tr { cursor: pointer; }
#history tbody tr:hover { background: var(--card); }

.lap-class-chip {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.1em 0.4em;
  border-radius: var(--radius);
}
.lc-out_lap     { background: #06200c; color: #4dff88; }
.lc-in_lap      { background: #2a0a14; color: var(--pink); }
.lc-safety_car  { background: #0a1f2a; color: var(--blue); }
.lc-invalid     { background: #201a00; color: #ffd23f; }

/* competitiveness ----------------------------------------------------- */

.comp-meta { font-size: 0.82rem; color: var(--blue); margin-bottom: 0.6rem; }

.sec-purple { color: #c084fc; font-weight: 700; }  /* session best sector */
.sec-green  { color: #4dff88; font-weight: 600; }  /* within 0.1s of SB   */
.sec-yellow { color: #ffd23f;                    }  /* personal best       */
.sec-gray   { color: var(--text-faint);          }  /* no data             */

.delta-pos { color: var(--pink); }
.delta-neg { color: #4dff88; }

.violin-heading {
  font-family: var(--mono);
  font-size: 0.82rem; color: var(--blue); font-weight: 400;
  letter-spacing: 0.06em; text-transform: uppercase;
  margin: 1rem 0 0.5rem;
}
.violin-wrap   { overflow-x: auto; }
.violin-outer  { position: relative; }   /* tooltip anchor */

/* shared segmented toggle (σ control + sector toggle + pace basis) */
.seg-toggle-row { display: flex; align-items: center; gap: 0.5rem;
                  margin: 0 0 0.5rem; flex-wrap: wrap; }
.seg-label { font-size: 0.78rem; color: var(--text-dim); }
.seg-note  { font-size: 0.76rem; color: var(--blue); font-style: italic; }
.chart-sub { font-size: 0.76rem; color: var(--text-dim); line-height: 1.4;
             margin: -0.15rem 0 0.5rem; max-width: 52rem; }
.seg-toggle { display: inline-flex; gap: 4px; }
.vio-sig, .sec-tog, .sec-pace, .series-mode, .series-sec, .vio-sort, .rep-spd {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-dim); padding: 0.18rem 0.55rem; font-size: 0.78rem;
  font-family: var(--mono); cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, box-shadow .15s;
}
.vio-sig:hover, .sec-tog:hover, .sec-pace:hover,
.series-mode:hover, .series-sec:hover, .vio-sort:hover, .rep-spd:hover  { background: var(--card-hi); color: var(--blue); }
.vio-sig.active, .sec-tog.active, .sec-pace.active,
.series-mode.active, .series-sec.active, .vio-sort.active, .rep-spd.active {
  border-color: var(--pink); color: var(--pink); box-shadow: var(--glow-pink);
}

/* competitiveness two-column chart layout (charts above the table) */
.comp-charts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0.5rem 1.5rem;
  margin-bottom: 1rem;
  align-items: start;
}
.comp-col { min-width: 0; }      /* allow .violin-wrap to scroll within column */
.comp-col > :first-child { margin-top: 0; }                       /* align column tops */
.comp-col-left .sector-comp:first-child > .violin-heading { margin-top: 0; }
@media (max-width: 980px) {
  .comp-charts { grid-template-columns: 1fr; }   /* stack on narrow screens */
  /* never let an inline-styled chart force the page wider than the screen, and
     drop the fixed-height attribute so the box follows the scaled-down content
     (no blank space above/below on a phone). */
  .violin-wrap svg, #sector-comp-wrap svg, #pit-timeline,
  #inlap-chart, #outlap-chart { min-width: 0 !important; max-width: 100%; height: auto; }
}

/* competitiveness table: column show/hide chips + sortable headers */
.comp-col-toggles { display: flex; flex-wrap: wrap; align-items: center; gap: 4px; margin: 0.25rem 0 0.55rem; }
.col-chip {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-dim); padding: 0.15rem 0.5rem; font-size: 0.74rem; font-family: var(--mono);
  cursor: pointer; transition: background .15s, color .15s, border-color .15s;
}
.col-chip:hover  { background: var(--card-hi); color: var(--blue); }
.col-chip.active { border-color: var(--pink); color: var(--pink); }   /* shown */
#comp-table th.comp-th { cursor: pointer; user-select: none; white-space: nowrap; }
#comp-table th.comp-th:hover { color: var(--pink); }

.sector-comp     { margin-top: 1rem; }
.sector-comp .seg-toggle-row { margin-bottom: 0.5rem; }
.sector-violin-label { font-size: 0.74rem; color: var(--text-dim); font-family: var(--mono);
                       text-transform: uppercase; letter-spacing: 0.05em;
                       margin: 0.5rem 0 0.2rem; }

/* selected car: backdrop behind the violin column (group gets .mark-selected) */
.violin-car.mark-selected .violin-hit { fill: rgba(255, 42, 109, 0.14); }
.violin-car.mark-selected polygon     { stroke: var(--pink); }

#violin-tooltip {
  position: fixed;            /* viewport coords — one tooltip serves all violins */
  background: var(--panel);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  color: var(--text);
  pointer-events: none;
  white-space: nowrap;
  z-index: 100;
  line-height: 1.6;
  box-shadow: var(--glow-blue);
}

/* car performance panel ----------------------------------------------- */

.perf-tiles { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 0.85rem; }

.perf-tile {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.45rem 0.75rem;
  min-width: 8rem;
}

.perf-tile-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-dim);
  margin-bottom: 0.2rem;
}

.perf-tile-value {
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  color: var(--text);
}

.pit-detail-table { width: auto; margin-top: 0.75rem; font-size: 0.85rem; }
.pit-detail-table th { background: var(--card); }

/* tyre badge ---------------------------------------------------------- */

.tyre-badge {
  display: inline-block;
  background: var(--tc, var(--text-dim));
  color: #0a0010;
  font-size: 0.7em;
  font-weight: 700;
  padding: 0.12em 0.4em;
  border-radius: var(--radius);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.03em;
}
.tyre-laps { opacity: 0.75; font-size: 0.88em; margin-left: 0.25em; }

/* pit in-lane badge --------------------------------------------------- */

.pit-in-badge {
  display: inline-block;
  background: #06200c;
  color: #4dff88;
  font-size: 0.65em;
  font-weight: 700;
  text-transform: uppercase;
  padding: 0.1em 0.35em;
  border-radius: var(--radius);
  margin-left: 0.3em;
  letter-spacing: 0.03em;
  vertical-align: middle;
}

/* pit stops ----------------------------------------------------------- */

.pit-rank { color: var(--pink); font-weight: 700; }

/* mobile -------------------------------------------------------------- */

@media (max-width: 720px) {
  header { gap: 0.5rem 0.75rem; padding: 0.6rem 0.9rem; }
  header h1 { font-size: 1.1rem; width: 100%; }
  #session-best { margin-left: auto; }
  main { padding: 0.75rem; }
  table { font-size: 0.82rem; }
  th, td { padding: 0.35rem 0.4rem; }
  #lap-chart { height: auto; }
  .col-pits { display: none; }
  .col-tyre { display: none; }
  .col-int  { display: none; }
  .col-trap { display: none; }
}

/* settings — team colours ------------------------------------------------- */

.settings-group { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.75rem; }
.settings-label { font-size: 0.8rem; color: var(--blue); text-transform: uppercase;
                  letter-spacing: 0.06em; font-family: var(--mono); }
.settings-select {
  background: var(--card); color: var(--text); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.3rem 0.5rem;
  font-family: var(--mono); font-size: 0.85rem; cursor: pointer;
}
.settings-select:focus { outline: none; border-color: var(--blue); box-shadow: var(--glow-blue); }
.settings-num {
  width: 4.5rem; background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.3rem 0.5rem; font-family: var(--mono); font-size: 0.85rem;
  -moz-appearance: textfield;
}
.settings-num:focus { outline: none; border-color: var(--blue); box-shadow: var(--glow-blue); }
.settings-text {
  flex: 1 1 16rem; max-width: 30rem;
  background: var(--card); color: var(--text);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.3rem 0.5rem; font-family: var(--mono); font-size: 0.85rem;
}
.settings-text:focus { outline: none; border-color: var(--blue); box-shadow: var(--glow-blue); }
#session-filter-seen { margin-top: 0.5rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem; }
.cat-chip {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-dim); padding: 0.15rem 0.5rem;
  font-family: var(--mono); font-size: 0.76rem; cursor: pointer;
}
.cat-chip:hover { background: var(--card-hi); color: var(--blue); }

/* held-session indicator in the header */
.hold-indicator {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--pink); border: 1px solid var(--pink); border-radius: var(--radius);
  padding: 0.15rem 0.5rem; box-shadow: var(--glow-pink);
}
.settings-hint { font-size: 0.8rem; color: var(--text-dim); margin-bottom: 0.75rem; max-width: 46rem; }
.settings-check { display: flex; align-items: center; gap: 0.5rem; color: var(--text);
                  font-size: 0.9rem; cursor: pointer; padding: 0.25rem 0; }
.settings-check input { accent-color: var(--pink); width: 16px; height: 16px; cursor: pointer; }

/* live feed connection row */
.feed-target-group { display: flex; align-items: center; gap: 0.55rem; flex-wrap: wrap; }
.feed-target-group .feed-host { max-width: 12rem; }
.feed-target-group .settings-num { max-width: 6rem; }

/* diagnostics health rows */
.diag-grid { display: flex; flex-direction: column; gap: 0.35rem; max-width: 46rem; }
.diag-row  { display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem;
             padding: 0.35rem 0.55rem; background: var(--card); border: 1px solid var(--border);
             border-radius: var(--radius); }
.diag-k { color: var(--text-dim); min-width: 6.5rem; font-family: var(--mono); font-size: 0.74rem;
          text-transform: uppercase; letter-spacing: 0.04em; }
.diag-v { color: var(--text); }
.diag-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0;
            box-shadow: 0 0 5px currentColor; }
.diag-ok   { background: #00FF9F; color: #00FF9F; }
.diag-warn { background: #ffd23f; color: #ffd23f; }
.diag-bad  { background: var(--pink); color: var(--pink); }
.diag-idle { background: #5b5277; color: #5b5277; box-shadow: none; }

/* session history rows (clickable) */
#hist-table tbody tr.hist-row { cursor: pointer; }
#hist-table tbody tr.hist-row:hover td { background: var(--card-hi); }

/* review mode (reading a stored session) */
.badge.review { background: var(--blue); color: #001417; font-weight: 700; }
.badge.review .pulse { display: none; }
.back-live {
  background: var(--pink); color: #120008; font-weight: 700;
  font-size: 0.78rem; text-decoration: none; white-space: nowrap;
  padding: 0.3rem 0.7rem; border-radius: var(--radius); box-shadow: var(--glow-pink);
}
.back-live:hover { background: var(--card-hi); color: var(--blue); }

/* confirm dialog ---------------------------------------------------------- */
.confirm-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0, 0, 0, 0.66);
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.confirm-overlay[hidden] { display: none; }
.confirm-box {
  background: var(--panel); border: 1px solid var(--pink); border-radius: var(--radius);
  box-shadow: var(--glow-pink); padding: 1.2rem 1.4rem; max-width: 32rem; width: 100%;
}
.confirm-box h3 { margin: 0 0 0.6rem; color: var(--pink);
                  text-transform: uppercase; letter-spacing: 0.04em; font-size: 1rem; }
.confirm-box p { color: var(--text); font-size: 0.9rem; line-height: 1.55; margin: 0 0 1.1rem; }
.confirm-actions { display: flex; gap: 0.6rem; justify-content: flex-end; }
.confirm-btn {
  font-family: var(--mono); font-size: 0.82rem; padding: 0.4rem 1.1rem;
  border-radius: var(--radius); cursor: pointer; border: 1px solid var(--border);
}
.confirm-btn.cancel { background: var(--card); color: var(--text-dim); }
.confirm-btn.cancel:hover { background: var(--card-hi); color: var(--text); }
.confirm-btn.accept { background: var(--pink); color: #120008; border-color: var(--pink); font-weight: 700; }
.confirm-btn.accept:hover { background: var(--card-hi); color: var(--blue); }

/* replay transport + library ----------------------------------------- */
.replay-badge {
  font-family: var(--mono); font-size: 0.7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--blue); border: 1px solid var(--blue); border-radius: var(--radius);
  padding: 0.15rem 0.5rem; box-shadow: var(--glow-blue, 0 0 6px rgba(5, 217, 232, 0.6));
}
.replay-now { font-size: 0.82rem; color: var(--blue); font-family: var(--mono); margin-left: 0.5rem; }
.replay-transport {
  display: flex; align-items: center; gap: 0.85rem; flex-wrap: wrap;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.7rem 0.9rem; margin-bottom: 0.5rem;
}
.replay-btn {
  background: var(--pink); border: 1px solid var(--pink); color: #120008;
  font-family: var(--mono); font-size: 0.82rem; font-weight: 700;
  padding: 0.3rem 0.9rem; border-radius: var(--radius); cursor: pointer;
  box-shadow: var(--glow-pink); min-width: 5.5rem;
}
.replay-btn:hover { background: var(--card-hi); color: var(--blue); }
.replay-scrub { display: flex; align-items: center; gap: 0.6rem; flex: 1 1 320px; min-width: 240px; }
.replay-time { font-family: var(--mono); font-size: 0.78rem; color: var(--text-dim); min-width: 3.2rem; }
.replay-time:last-of-type { text-align: right; }
#replay-seek { flex: 1; accent-color: var(--pink); cursor: pointer; }
.replay-event { color: var(--text-dim); font-size: 0.82rem; }
.replay-file  { color: var(--text-dim); font-family: var(--mono); font-size: 0.74rem; }
.replay-copies {
  color: var(--pink); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0 0.3rem; font-size: 0.68rem; cursor: help;
}
.replay-load-btn {
  background: var(--card); border: 1px solid var(--blue); border-radius: var(--radius);
  color: var(--blue); font-family: var(--mono); font-size: 0.76rem;
  padding: 0.18rem 0.7rem; cursor: pointer; transition: background .15s, color .15s, box-shadow .15s;
}
.replay-load-btn:hover { background: var(--blue); color: #001417; box-shadow: var(--glow-blue, 0 0 6px rgba(5, 217, 232, 0.6)); }
#replay-table tr.replay-row-active td { background: rgba(5, 217, 232, 0.10); }
#replay-table tr.replay-row-active .replay-load-btn { border-color: var(--pink); color: var(--pink); }

.team-car-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 0.45rem 0.2rem; border-bottom: 1px solid var(--border);
}
.team-car-id { font-size: 0.9rem; color: var(--text); }
.swatches { display: inline-flex; gap: 5px; flex-shrink: 0; }
.swatch {
  width: 22px; height: 22px; border-radius: var(--radius);
  border: 2px solid transparent; cursor: pointer; padding: 0; line-height: 1;
  transition: transform 0.1s, border-color 0.1s;
}
.swatch:hover  { transform: scale(1.12); }
.swatch.active { border-color: #fff; box-shadow: 0 0 6px rgba(255,255,255,0.6); }
.swatch-none {
  background: var(--card); color: var(--text-dim);
  font-size: 0.7rem; display: inline-flex; align-items: center; justify-content: center;
}

/* multi-series chart ------------------------------------------------------ */

#y-axis-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
.ya-label { font-size: 0.8rem; color: var(--text-dim); }
.ya-sep   { font-size: 0.8rem; color: var(--text-faint); }
.ya-unit  { font-size: 0.8rem; color: var(--text-faint); }

#y-axis-controls input[type="number"] {
  width: 5.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.2rem 0.4rem;
  font-size: 0.8rem;
  font-family: var(--mono);
  -moz-appearance: textfield;
}
#y-axis-controls input[type="number"]::-webkit-inner-spin-button,
#y-axis-controls input[type="number"]::-webkit-outer-spin-button { opacity: 0.4; }
#y-axis-controls input[type="number"]:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: var(--glow-blue);
}
#y-axis-controls input[type="number"].ya-active {
  border-color: var(--pink);
  color: var(--pink);
}

.ya-reset {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  padding: 0.2rem 0.55rem;
  font-size: 0.78rem;
  font-family: var(--mono);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.ya-reset:hover { background: var(--card-hi); color: var(--blue); }

#series-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  margin-bottom: 0.75rem;
  min-height: 1.6rem;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.22rem 0.55rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.8rem;
  cursor: pointer;
  transition: opacity 0.15s, background 0.15s;
  user-select: none;
}
.legend-item:hover { background: var(--card-hi); }
.legend-item.hidden { opacity: 0.3; }

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--c);
  flex-shrink: 0;
}

#series-wrap { position: relative; }

#series-chart {
  width: 100%;
  /* Fill most of the viewport and rescale live as the window resizes.
     preserveAspectRatio="xMidYMid meet" on the SVG keeps the dots round. */
  height: 80vh;
  min-height: 340px;
  display: block;
  background: var(--chart-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: crosshair;
}

#series-tooltip {
  position: absolute;
  background: var(--panel);
  border: 1px solid var(--blue);
  border-radius: var(--radius);
  padding: 0.4rem 0.65rem;
  font-size: 0.8rem;
  color: var(--text);
  pointer-events: none;
  white-space: nowrap;
  z-index: 10;
  line-height: 1.6;
  box-shadow: var(--glow-blue);
}

@media (max-width: 720px) {
  #series-chart { height: auto; }
}

/* pit timeline ------------------------------------------------------------ */

.pit-layout { display: flex; gap: 1rem; align-items: flex-start; }
.pit-layout #pit-timeline-wrap { flex: 1 1 auto; min-width: 0; }
.pit-detail {
  flex: 0 0 320px; width: 320px;
  border-left: 1px solid var(--border); padding-left: 1rem;
  align-self: stretch;
}
@media (max-width: 900px) {
  .pit-layout { flex-direction: column; }
  .pit-detail { flex-basis: auto; width: 100%; border-left: none;
                border-top: 1px solid var(--border); padding-left: 0; padding-top: 0.75rem; }
}

.pit-detail-head { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.6rem;
                   font-size: 0.95rem; color: var(--text); flex-wrap: wrap; }
.pit-detail-totals { font-size: 0.78rem; color: var(--text-dim); font-family: var(--mono); }

.pit-stop-card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.5rem 0.65rem; margin-bottom: 0.6rem;
}
.pit-stop-card h4 {
  font-family: var(--mono); font-size: 0.82rem; color: var(--blue);
  letter-spacing: 0.04em; margin-bottom: 0.4rem;
  display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem;
}
.pit-stop-dur { color: var(--pink); font-weight: 700; }
.pit-stat { display: flex; justify-content: space-between; gap: 0.75rem;
            font-size: 0.8rem; padding: 0.12rem 0; }
.pit-stat .k { color: var(--text-dim); }
.pit-stat .v { font-family: var(--mono); color: var(--text); font-variant-numeric: tabular-nums; }
.pit-stat .v .delta-pos { color: var(--pink); }
.pit-stat .v .delta-neg { color: #4dff88; }
.pit-detail .empty-hint { padding: 0.5rem 0; }

#pit-timeline {
  width: 100%;
  min-width: min(420px, 100%);
  display: block;
  background: var(--chart-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* in-lap / out-lap ranking charts ----------------------------------------- */

.laprank-layout { display: flex; gap: 1.25rem; align-items: flex-start; }
.laprank-col { flex: 1 1 0; min-width: 0; }
.laprank-col > .violin-heading:first-child { margin-top: 0; }
@media (max-width: 900px) { .laprank-layout { flex-direction: column; } }

#inlap-wrap, #outlap-wrap { overflow-x: auto; }
#inlap-chart, #outlap-chart {
  width: 100%;
  min-width: min(440px, 100%);
  display: block;
  background: var(--chart-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

/* tyre / stint chart ------------------------------------------------------ */

#tyre-y-controls {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}
#tyre-y-controls input[type="number"] {
  width: 5.2rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  padding: 0.2rem 0.4rem;
  font-size: 0.8rem;
  font-family: var(--mono);
  -moz-appearance: textfield;
}
#tyre-y-controls input[type="number"]::-webkit-inner-spin-button,
#tyre-y-controls input[type="number"]::-webkit-outer-spin-button { opacity: 0.4; }
#tyre-y-controls input[type="number"]:focus { outline: none; border-color: var(--blue); box-shadow: var(--glow-blue); }
#tyre-y-controls input[type="number"].ya-active { border-color: var(--pink); color: var(--pink); }

#tyre-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.6rem;
  margin-bottom: 0.75rem;
  min-height: 1.6rem;
}

#tyre-wrap { position: relative; }

#tyre-chart {
  width: 100%;
  /* Fill most of the viewport and rescale live with the window (meet keeps dots round). */
  height: 80vh;
  min-height: 340px;
  display: block;
  background: var(--chart-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: crosshair;
}

@media (max-width: 720px) {
  #tyre-chart { height: auto; }
}

/* stint review / compare -------------------------------------------------- */

#tyre-view-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
}

#tyre-cmp-picker {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
#tyre-cmp-picker[hidden] { display: none; }

.cmp-car {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
}
.cmp-car-id {
  display: inline-flex;
  align-items: center;
  min-width: 7.5rem;
  font-size: 0.8rem;
  color: var(--text);
}

.cmp-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-dim);
  font-size: 0.78rem;
  font-family: var(--mono);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  user-select: none;
  border-left: 3px solid var(--c);
}
.cmp-chip:hover { background: var(--card-hi); color: var(--text); }
.cmp-chip.on {
  border-color: var(--c);
  color: var(--text);
  box-shadow: inset 0 0 0 1px var(--c);
}
.cmp-range { color: var(--text-faint); font-size: 0.72rem; }
.cmp-chip.on .cmp-range { color: var(--text-dim); }

#tyre-compare-metrics {
  margin-top: 0.85rem;
  overflow-x: auto;          /* scroll sideways on mobile like the other tables */
}
#tyre-compare-metrics[hidden] { display: none; }
#tyre-compare-metrics table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
#tyre-compare-metrics th {
  background: var(--card);
  color: var(--blue);
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
#tyre-compare-metrics td {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
#tyre-compare-metrics tbody tr { cursor: pointer; }
#tyre-compare-metrics tbody tr:hover { background: var(--card); }

/* phones: let every chart scale to the screen instead of overflowing -------- */
@media (max-width: 560px) {
  main { padding: 0.55rem; }
  h2 { font-size: 1.02rem; }
  section h2 .refresh-btn { margin-left: auto; }
  /* wide time-series charts: follow their viewBox aspect (compact, no letterbox).
     Rotate the phone to landscape for a larger view. */
  #series-chart, #tyre-chart { height: auto; min-height: 0; }
  .seg-toggle-row { gap: 0.4rem; row-gap: 0.35rem; }
}