/* Focus Masking — dark, mobile-first.
 * Touch targets are >=48px (WCAG 2.5.5) and the type is large enough to read
 * on a phone held at arm's length, which is the actual use context.
 */

:root {
  --bg: #0d1117;
  --bg-2: #151b23;
  --card: #1a212b;
  --line: #2a3441;
  --fg: #e8edf3;
  --fg-dim: #9aa7b6;
  --fg-faint: #6b7887;
  --accent: #6ee7c8;
  --accent-2: #7cc4fa;
  --warn: #fbbf72;
  --no: #ff9a8b;
  --yes: #86e0a8;
  --r: 14px;
  --tap: 48px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 18px; }

/* --- skip link --------------------------------------------------------- */
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--accent); color: #06281f;
  padding: 12px 18px; font-weight: 700; border-radius: 0 0 var(--r) 0;
}
.skip:focus { left: 0; }

/* --- header ------------------------------------------------------------ */
.top {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #10161e, var(--bg));
  position: sticky; top: 0; z-index: 20;
}
.top-in {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; min-height: 56px;
}
.brand { font-weight: 800; letter-spacing: -0.02em; font-size: 1.05rem; }
.badge {
  font-size: .72rem; color: var(--fg-faint);
  border: 1px solid var(--line); border-radius: 999px;
  padding: 5px 10px; white-space: nowrap;
}

/* --- hero -------------------------------------------------------------- */
.hero { padding: 34px 0 10px; }
.eyebrow {
  text-transform: uppercase; letter-spacing: .1em;
  font-size: .72rem; font-weight: 700; color: var(--accent);
  margin: 0 0 10px;
}
h1 {
  font-size: clamp(1.85rem, 6.4vw, 3.1rem);
  line-height: 1.08; letter-spacing: -0.035em;
  margin: 0 0 14px; font-weight: 850;
}
.lede { font-size: 1.06rem; color: var(--fg-dim); margin: 0 0 16px; max-width: 60ch; }
.honest {
  font-size: .96rem; line-height: 1.6;
  background: var(--card); border: 1px solid var(--line);
  border-left: 3px solid var(--warn);
  border-radius: var(--r); padding: 14px 16px; margin: 0 0 8px;
  max-width: 68ch;
}
.honest a { color: var(--accent); }

/* --- presets ----------------------------------------------------------- */
.tool-sec { padding: 22px 0 30px; }
.presets {
  display: grid; gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(158px, 1fr));
  margin-bottom: 18px;
}
.preset {
  text-align: left; cursor: pointer;
  background: var(--card); color: var(--fg);
  border: 1px solid var(--line); border-radius: var(--r);
  padding: 13px 14px; min-height: var(--tap);
  display: flex; flex-direction: column; gap: 4px;
  font: inherit; transition: border-color .15s, background .15s, transform .1s;
}
.preset:hover { border-color: #3d4b5c; }
.preset:active { transform: scale(.985); }
.preset:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }
.preset.sel {
  border-color: var(--accent); background: #14262a;
  box-shadow: 0 0 0 1px var(--accent) inset;
}
.pname { font-weight: 750; font-size: 1.02rem; }
.pdesc { font-size: .8rem; color: var(--fg-dim); }
.pnote { font-size: .74rem; color: var(--fg-faint); line-height: 1.45; margin-top: 2px; }

/* --- deck -------------------------------------------------------------- */
.deck {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 18px; padding: 20px; margin-bottom: 14px;
}
.bigplay {
  width: 100%; min-height: 62px; cursor: pointer;
  background: var(--accent); color: #06281f;
  border: 0; border-radius: 12px;
  font: inherit; font-weight: 800; font-size: 1.12rem;
  display: flex; align-items: center; justify-content: center; gap: 10px;
}
.bigplay:hover { background: #85f0d5; }
.bigplay:active { transform: scale(.99); }
.bigplay:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 3px; }
.bigplay:disabled { opacity: .6; cursor: progress; }
.bigplay .ico { font-size: 1.15rem; }
.hint { font-size: .85rem; color: var(--fg-faint); text-align: center; margin: 12px 0 0; }

.deck-on { display: flex; flex-direction: column; gap: 16px; }
.now { display: flex; align-items: center; gap: 14px; }
.eq { display: flex; align-items: flex-end; gap: 3px; height: 38px; }
.eq i {
  width: 4px; height: 12px; border-radius: 2px;
  background: var(--accent); display: block;
  transition: height .12s linear;
}
.now-t { flex: 1; min-width: 0; }
.now-t strong { display: block; font-size: 1.08rem; }
.now-t span { font-size: .8rem; color: var(--fg-dim); }
.stop {
  min-height: var(--tap); min-width: 88px; cursor: pointer;
  background: transparent; color: var(--fg);
  border: 1px solid var(--line); border-radius: 10px;
  font: inherit; font-weight: 650;
}
.stop:hover { border-color: var(--no); color: var(--no); }
.stop:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; }

.vol { display: flex; align-items: center; gap: 12px; }
.vol label { font-size: .88rem; font-weight: 650; }
.vol input[type=range] { flex: 1; min-height: var(--tap); accent-color: var(--accent); }
.vol output { font-variant-numeric: tabular-nums; font-size: .88rem; color: var(--fg-dim); min-width: 44px; text-align: right; }
.vol-note { font-size: .82rem; color: var(--fg-faint); margin: 0; line-height: 1.55; }

.status {
  font-size: .9rem; color: var(--accent); margin: 12px 0 0;
  min-height: 1.4em;
}
.status:empty { margin: 0; min-height: 0; }

/* --- timer ------------------------------------------------------------- */
.timer {
  background: var(--bg-2); border: 1px solid var(--line);
  border-radius: 14px; padding: 4px 16px; margin-bottom: 30px;
}
.timer > summary {
  cursor: pointer; min-height: var(--tap);
  display: flex; align-items: center;
  font-size: .92rem; font-weight: 650;
}
.timer-in { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding-bottom: 6px; }
.timer-in label { font-size: .88rem; }
.timer-in input {
  width: 84px; min-height: var(--tap); padding: 0 10px;
  background: var(--card); color: var(--fg);
  border: 1px solid var(--line); border-radius: 10px; font: inherit;
}
.timer-in button {
  min-height: var(--tap); padding: 0 16px; cursor: pointer;
  background: var(--accent); color: #06281f; border: 0; border-radius: 10px;
  font: inherit; font-weight: 700;
}
.timer-left { font-variant-numeric: tabular-nums; font-size: .95rem; color: var(--accent-2); }
.timer-note { font-size: .8rem; color: var(--fg-faint); margin: 0 0 12px; }

/* --- evidence ---------------------------------------------------------- */
.ev-sec { padding: 30px 0 10px; border-top: 1px solid var(--line); }
h2 {
  font-size: clamp(1.4rem, 4.4vw, 2rem);
  letter-spacing: -0.028em; margin: 0 0 12px; font-weight: 800;
}
.ev-lede { color: var(--fg-dim); margin: 0 0 20px; max-width: 60ch; }
.ev-grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.ev-card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r); padding: 16px 18px;
  border-top: 3px solid var(--fg-faint);
}
.ev-card.ev-no   { border-top-color: var(--no); }
.ev-card.ev-yes  { border-top-color: var(--yes); }
.ev-card.ev-mid  { border-top-color: var(--warn); }
.ev-card h3 { font-size: 1.06rem; margin: 0 0 9px; line-height: 1.32; letter-spacing: -0.015em; }
.ev-card h3 em { font-style: normal; color: var(--no); }
.ev-card p { font-size: .92rem; color: var(--fg-dim); margin: 0 0 10px; line-height: 1.6; }
.ev-card p strong { color: var(--fg); }
.ev-act {
  background: #101820; border-radius: 9px; padding: 10px 12px;
  font-size: .88rem !important; color: var(--fg-dim) !important;
}
.ev-act strong { color: var(--accent); }
.src {
  font-size: .8rem; color: var(--accent-2);
  text-decoration: none; border-bottom: 1px dotted var(--accent-2);
}
.src:hover { color: var(--accent); }

/* --- faq --------------------------------------------------------------- */
.faq-sec { padding: 30px 0 10px; }
.faq-sec details {
  border-bottom: 1px solid var(--line);
}
.faq-sec summary {
  cursor: pointer; min-height: 56px;
  display: flex; align-items: center;
  font-size: 1rem; font-weight: 650; padding: 4px 0;
  list-style: none;
}
.faq-sec summary::-webkit-details-marker { display: none; }
.faq-sec summary::after { content: "+"; margin-left: auto; color: var(--fg-faint); font-size: 1.3rem; }
.faq-sec details[open] summary::after { content: "\2212"; }
.faq-sec summary:focus-visible { outline: 3px solid var(--accent-2); outline-offset: 2px; border-radius: 6px; }
.faq-sec p { font-size: .93rem; color: var(--fg-dim); margin: 0 0 16px; line-height: 1.65; }

/* --- footer ------------------------------------------------------------ */
footer {
  border-top: 1px solid var(--line);
  margin-top: 34px; padding: 22px 0 34px;
}
footer p { font-size: .88rem; color: var(--fg-dim); margin: 0 0 6px; }
footer a { color: var(--accent); }
.fine { font-size: .8rem !important; color: var(--fg-faint) !important; max-width: 62ch; }

@media (max-width: 460px) {
  .preset { padding: 11px 12px; }
  .pname { font-size: .97rem; }
  .deck { padding: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}