/* style.css -- the page's styles (index.html) */
  @font-face { font-family: Barlow; src: url(fonts/Barlow-Regular.woff2) format('woff2'); font-weight: 400; font-display: swap; }
  @font-face { font-family: Barlow; src: url(fonts/Barlow-Medium.woff2) format('woff2'); font-weight: 500; font-display: swap; }
  @font-face { font-family: Barlow; src: url(fonts/Barlow-SemiBold.woff2) format('woff2'); font-weight: 600; font-display: swap; }
  @font-face { font-family: 'Barlow Condensed'; src: url(fonts/BarlowCondensed-Medium.woff2) format('woff2'); font-weight: 500; font-display: swap; }
  @font-face { font-family: 'Barlow Condensed'; src: url(fonts/BarlowCondensed-SemiBold.woff2) format('woff2'); font-weight: 600; font-display: swap; }

  :root {
    --haze: #D9E2EA;        /* page: overcast sky */
    --haze-deep: #C7D3DE;   /* panels sunk into the page */
    --cloud: #EEF2F5;       /* raised surfaces */
    --ink: #13233A;         /* text */
    --ink-soft: #4A5B70;    /* secondary text */
    --rule: #A9B8C7;        /* hairlines */
    --bezel: #05080C;       /* the instrument around the screen */
    --bezel-mark: #3B4A5A;
    --signal: #E4572E;      /* the one accent: play / live */
    --signal-ink: #FFFFFF;
    --done: #2F7D74;        /* checklist ticks */
    --bad: #B3261E;
    --font: Barlow, 'Segoe UI', system-ui, sans-serif;
    --font-cond: 'Barlow Condensed', 'Arial Narrow', Barlow, sans-serif;
    color-scheme: light;
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
      --haze: #0F1A26; --haze-deep: #0A131C; --cloud: #172434; --ink: #DCE6F0; --ink-soft: #93A6BA;
      --rule: #2B3B4D; --bezel: #000000; --bezel-mark: #465668; --signal: #F06A3F; --done: #5DB3A8; --bad: #F2867D;
      color-scheme: dark;
    }
  }
  :root[data-theme="dark"] {
    --haze: #0F1A26; --haze-deep: #0A131C; --cloud: #172434; --ink: #DCE6F0; --ink-soft: #93A6BA;
    --rule: #2B3B4D; --bezel: #000000; --bezel-mark: #465668; --signal: #F06A3F; --done: #5DB3A8; --bad: #F2867D;
    color-scheme: dark;
  }

  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body { margin: 0; background: var(--haze); color: var(--ink); font: 400 16px/1.5 var(--font); }
  a { color: inherit; text-underline-offset: 3px; }
  :focus-visible { outline: 2px solid var(--signal); outline-offset: 2px; }
  .wrap { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  @media (max-width: 640px) { .wrap { padding: 0 16px; } }

  /* ---- masthead: the wordmark is set, not drawn */
  .masthead { padding: 28px 0 20px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 24px; }
  .wordmark { margin: 0; font: 600 clamp(34px, 5.2vw, 56px)/0.95 var(--font-cond); letter-spacing: -0.01em; }
  .wordmark span { display: block; font-weight: 500; color: var(--ink-soft); }
  .tagline { margin: 0; max-width: 46ch; color: var(--ink-soft); font-size: 17px; }

  /* ---- deck: screen + checklist */
  .deck { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 28px; align-items: start; padding-bottom: 32px; }
  @media (max-width: 980px) { .deck { grid-template-columns: 1fr; } }

  /* the bezel is the one bold element */
  .bezel { position: relative; background: var(--bezel); border-radius: 14px; padding: 18px 18px 12px; }
  .bezel::before, .bezel::after, .bezel .mk::before, .bezel .mk::after {
    content: ''; position: absolute; width: 18px; height: 18px; border: 2px solid var(--bezel-mark); transition: border-color .4s;
  }
  .bezel::before { top: 7px; left: 7px; border-right: 0; border-bottom: 0; }
  .bezel::after { top: 7px; right: 7px; border-left: 0; border-bottom: 0; }
  .bezel .mk::before { bottom: 7px; left: 7px; border-right: 0; border-top: 0; }
  .bezel .mk::after { bottom: 7px; right: 7px; border-left: 0; border-top: 0; }
  body.live .bezel::before, body.live .bezel::after, body.live .bezel .mk::before, body.live .bezel .mk::after { border-color: var(--signal); }
  @media (prefers-reduced-motion: reduce) { .bezel::before, .bezel::after, .bezel .mk::before, .bezel .mk::after { transition: none; } }

  #screen-wrap { position: relative; aspect-ratio: 4 / 3; width: 100%; background: #000; display: flex; align-items: center; justify-content: center; overflow: hidden; border-radius: 4px; }
  #screen-wrap.wide { aspect-ratio: 16 / 9; }
  #screen, #screen-hd { width: 100%; height: 100%; image-rendering: pixelated; display: block; }
  #screen-hd { image-rendering: auto; display: none; }
  body.hd #screen-hd { display: block; } body.hd #screen { display: none; }
  body.hd .sd-only { display: none; }
  #screen.smooth { image-rendering: auto; }
  #screen-wrap:fullscreen { border-radius: 0; }
  .idle { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; color: #8EA0B3; text-align: center; padding: 24px; }
  body.live .idle { display: none; }
  button.play { display: inline-flex; align-items: center; gap: 12px; background: var(--signal); color: var(--signal-ink);
                font: 600 30px/1 var(--font-cond); letter-spacing: .04em; padding: 16px 40px 16px 30px; border-radius: 10px;
                box-shadow: 0 0 0 0 rgba(0,0,0,0); transition: transform .12s ease-out, box-shadow .2s; }
  button.play svg { width: 28px; height: 28px; fill: currentColor; }
  button.play:not(:disabled):hover { transform: scale(1.04); box-shadow: 0 0 0 6px color-mix(in srgb, var(--signal) 25%, transparent); }
  button.play:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
  button.play:disabled { opacity: .35; }
  .idle-hint { margin: 10px 0 0; font-size: 15px; color: #8EA0B3; min-height: 1.4em; }
  @media (prefers-reduced-motion: reduce) { button.play { transition: none; } }
  .live-only { display: none; } body.live .live-only { display: inline-block; }
  .screen-tools .status { margin: 0 0 0 auto; text-align: right; max-width: 48ch; }

  /* ---- loading screen: a fighter seen from above that fills up, tail to nose */
  .loader { position: absolute; inset: 0; z-index: 2; background: #000; display: flex; flex-direction: column;
            align-items: center; justify-content: center; gap: 2px; padding: 24px; text-align: center; }
  .loader[hidden] { display: none; }
  .loader svg { height: min(52%, 320px); width: auto; overflow: visible; }
  .loader .hull { fill: #0B141D; stroke: #3B4A5A; stroke-width: 1.4; stroke-linejoin: round; }
  .loader .hull-lit { fill: none; stroke: var(--signal); stroke-width: 1.4; stroke-linejoin: round; }
  .loader .lines { fill: none; stroke: #000; stroke-opacity: .3; stroke-width: 1.2; stroke-linecap: round; stroke-linejoin: round; }
  .loader { transition: opacity .45s ease-out; }
  .loader.gone { opacity: 0; }
  .loader .fill { fill: var(--signal); }
  .loader .edge { fill: #FFE1CF; }
  .loader .flame { fill: #FFB15C; transform-box: fill-box; transform-origin: 50% 0; animation: flame .09s steps(2) infinite alternate; }
  .loader .flame.core { fill: #FFF1DA; }
  @keyframes flame { from { transform: scaleY(1); opacity: .95; } to { transform: scaleY(.7); opacity: .7; } }
  .loader .pct { font: 600 clamp(30px, 5vw, 46px)/1 var(--font-cond); color: #E6EDF3; font-variant-numeric: tabular-nums; margin-top: 10px; }
  .loader .pct small { font-size: .55em; color: #8EA0B3; margin-left: 2px; }
  .loader .stage { font: 500 14px/1.3 var(--font-cond); letter-spacing: .14em; text-transform: uppercase; color: #8EA0B3; max-width: 46ch; }
  .loader .sub { font-size: 13px; color: #5E7184; margin-top: 4px; }
  @media (prefers-reduced-motion: reduce) {
    .loader { transition: none; }
    .loader .flame { animation: none; }
  }

  .readouts { display: flex; flex-wrap: wrap; gap: 4px 28px; padding: 10px 4px 2px; color: #8EA0B3; font-size: 14px; }
  .readouts b { color: #E6EDF3; font-weight: 500; font-variant-numeric: tabular-nums; }

  .screen-tools { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 22px; padding: 12px 2px 0; }
  .set-group + .set-group { margin-top: 14px; padding-top: 12px; border-top: 1px dashed var(--rule); }
  .set-group h4 { margin: 0 0 4px; font: 600 17px/1.2 var(--font-cond); }
  .set-group select { font: inherit; font-size: 15px; margin-left: 6px; }
  .set-group > .row { gap: 8px 18px; font-size: 15px; }
  button.quiet.small { padding: 6px 12px; font-size: 14px; }
  .gfx-more { margin: 8px 0 0; }
  .gfx-more summary { cursor: pointer; font: 600 17px/1.2 var(--font-cond); }
  .gfx-more .note { margin: 6px 0 8px; }
  .gfx-grid { display: grid; grid-template-columns: 1fr; gap: 2px; margin-bottom: 10px; }
  .gfx-grid .check { margin: 0; }
  .gfx-grid label.check { flex-wrap: wrap; row-gap: 0; }
  .gfx-grid .sub { color: var(--ink-soft); font-size: 13px; flex-basis: 100%; padding-left: 23px; margin-top: -2px; }
  body.sd .gfx-more { opacity: .55; }

  /* ---- checklist */
  .checklist { background: var(--cloud); border-radius: 10px; padding: 22px 22px 18px; }
  .checklist h2 { margin: 0 0 4px; font: 600 26px/1.1 var(--font-cond); }
  .checklist > p { margin: 0 0 16px; color: var(--ink-soft); font-size: 15px; }
  .steps { list-style: none; margin: 0; padding: 0; counter-reset: step; }
  .step { counter-increment: step; position: relative; padding: 0 0 18px 44px; }
  .step + .step { border-top: 1px solid var(--rule); padding-top: 16px; }
  .step::before {
    content: counter(step); position: absolute; left: 0; width: 30px; height: 30px; border-radius: 50%;
    border: 2px solid var(--ink); display: grid; place-items: center; font: 600 16px/1 var(--font-cond);
  }
  .step + .step::before { top: 16px; }
  .step.done::before { content: '✓'; background: var(--done); border-color: var(--done); color: #fff; }
  .step h3 { margin: 2px 0 6px; font: 600 20px/1.2 var(--font-cond); }
  .step p { margin: 0 0 8px; font-size: 15px; color: var(--ink-soft); }

  #drop { border: 2px dashed var(--rule); border-radius: 8px; padding: 14px; text-align: center; color: var(--ink-soft); font-size: 15px; }
  #drop.over { border-color: var(--signal); color: var(--ink); }
  #drop label.pickbtn { color: var(--ink); text-decoration: underline; cursor: pointer; }
  #pick { position: absolute; width: 1px; height: 1px; opacity: 0; }
  .files { list-style: none; margin: 10px 0 0; padding: 0; font-size: 14px; }
  .files li { padding: 2px 0 2px 18px; position: relative; }
  .files li::before { content: ''; position: absolute; left: 2px; top: 9px; width: 8px; height: 8px; border-radius: 50%; border: 1.5px solid var(--ink-soft); }
  .files li.ok::before { background: var(--done); border-color: var(--done); }
  .files li.dim { color: var(--ink-soft); }

  label.check { display: flex; gap: 10px; align-items: flex-start; font-size: 15px; margin: 8px 0 0; cursor: pointer; }
  label.check input { margin-top: 4px; accent-color: var(--done); }
  .note { font-size: 14px; color: var(--ink-soft); margin: 4px 0 0; min-height: 1em; }

  button { font: 600 16px/1 var(--font); border-radius: 6px; padding: 12px 18px; cursor: pointer; border: 2px solid transparent; }
  button.primary { background: var(--signal); color: var(--signal-ink); font: 600 22px/1 var(--font-cond); padding: 12px 34px; }
  button.quiet { background: transparent; color: var(--ink); border-color: var(--rule); padding: 9px 14px; font-size: 15px; }
  .bezel button.quiet, .screen-tools button.quiet { color: var(--ink); }
  button:disabled { opacity: .45; cursor: default; }
  .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
  input[type=range] { accent-color: var(--signal); width: 120px; vertical-align: middle; }

  /* ---- lower deck */
  .lower { display: grid; grid-template-columns: minmax(0, 1fr); gap: 28px; padding: 8px 0 28px; border-top: 1px solid var(--rule); }
  @media (max-width: 980px) { .lower { grid-template-columns: 1fr; } }
  .lower section { padding-top: 18px; }
  .lower h2 { margin: 0 0 8px; font: 600 22px/1.2 var(--font-cond); }
  .lower p { margin: 0 0 10px; font-size: 15px; color: var(--ink-soft); max-width: 60ch; }
  /* ---- controls: keyboard bindings, changeable */
  .controls { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--rule); }
  .controls-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
  .controls h2 { margin: 0; font: 600 22px/1.2 var(--font-cond); }
  .controls .note { margin: 4px 0 12px; max-width: 70ch; }
  .keygrid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 0 28px; }
  .keygroup h3 { margin: 10px 0 2px; font: 600 15px/1.2 var(--font-cond); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
  .keyrow { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 4px 0; border-bottom: 1px solid var(--rule); font-size: 15px; }
  .keyrow span { color: var(--ink-soft); }
  button.keycap { font: 500 14px/1 var(--font); min-width: 64px; padding: 6px 10px; border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 5px;
                  background: var(--cloud); color: var(--ink); }
  button.keycap:hover { border-color: var(--ink-soft); }
  button.keycap.listening { border-color: var(--signal); color: var(--signal); }
  button.keycap.flash { animation: keyflash .6s ease-out; }
  @keyframes keyflash { from { background: var(--signal); color: var(--signal-ink); } }
  @media (prefers-reduced-motion: reduce) { button.keycap.flash { animation: none; } }
  table.keys { border-collapse: collapse; font-size: 15px; width: 100%; }
  table.keys td { padding: 5px 0; border-bottom: 1px solid var(--rule); vertical-align: top; }
  table.keys td:first-child { color: var(--ink-soft); width: 42%; padding-right: 12px; }
  kbd { font: 500 14px/1 var(--font); border: 1px solid var(--rule); border-bottom-width: 2px; border-radius: 4px; padding: 2px 6px; background: var(--cloud); }

  details.diag { border-top: 1px solid var(--rule); padding: 14px 0 6px; }
  details.diag summary { cursor: pointer; font: 600 18px/1.2 var(--font-cond); }
  #log { margin-top: 10px; height: 240px; overflow: auto; background: var(--haze-deep); border-radius: 6px; padding: 10px; font: 12px/1.4 ui-monospace, Consolas, monospace; white-space: pre-wrap; color: var(--ink-soft); }
  #log .ok { color: var(--done); } #log .bad { color: var(--bad); } #log .dim { opacity: .75; }

  footer { border-top: 1px solid var(--rule); padding: 18px 0 40px; font-size: 14px; color: var(--ink-soft); }
  footer p { margin: 0 0 6px; max-width: 90ch; }
  .sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

  /* formerly inline style attributes (the CSP allows no inline styles) */
  .flame.late { animation-delay: .045s; }
  .check.flush { margin: 0; }
  .quiet.compact { padding: 6px 12px; font-size: 14px; }
  #forget { margin-top: 6px; }