/* ブラウザ体験ページ */
.play { padding: 30px 0 10px; }
.play-intro { display: grid; grid-template-columns: 300px 1fr; gap: 30px; align-items: center; margin-bottom: 30px; }
.play-intro img { border-radius: 6px; border: 2px solid var(--ink); box-shadow: 5px 5px 0 var(--ink); }
.play-intro h1 { font-size: clamp(28px, 4.4vw, 44px); margin: 6px 0 10px; }
.play-intro p { margin: 0 0 10px; color: var(--ink-soft); }
@media (max-width: 760px) { .play-intro { grid-template-columns: 1fr; } .play-intro img { max-width: 320px; } }

.status { display: inline-flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 700; color: var(--ink) !important;
  background: var(--label); border: 1px solid var(--rule); border-radius: 999px; padding: 6px 14px; }
.status .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); animation: blink 1s ease-in-out infinite; flex: none; }
.status.ok .dot { background: var(--frog); animation: none; }
.status.bad .dot { background: var(--spike); animation: none; }
@keyframes blink { 50% { opacity: .25; } }

.tabs { display: flex; gap: 6px; border-bottom: 2px solid var(--ink); margin-bottom: 22px; }
.tabs button {
  font: 700 15px var(--f-body); color: var(--ink-soft); background: transparent; border: 2px solid transparent; border-bottom: 0;
  padding: 10px 18px; border-radius: 6px 6px 0 0; cursor: pointer; margin-bottom: -2px;
}
.tabs button[aria-selected="true"] { color: var(--ink); background: var(--label); border-color: var(--ink); }

.panel.knobs-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; align-items: start; }
.panel[hidden] { display: none; }
.pcard { padding: 22px 22px 20px; min-width: 0; }
.pcard.wide { grid-column: 1 / -1; }
.pcard h2 { font-size: 19px; display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.pcard h3 { font-size: 15px; margin: 22px 0 10px; }
.step { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; background: var(--frog); color: #0d1a10;
  font: 400 15px var(--f-display); border: 2px solid var(--ink); flex: none; }
@media (max-width: 860px) { .panel.knobs-panel { grid-template-columns: 1fr; } }

.hint { font-size: 13.5px; color: var(--ink-soft); margin: 6px 0 10px; }
.presets { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.chip { font: 700 13px var(--f-body); padding: 6px 12px; border-radius: 999px; border: 1.5px solid var(--ink); background: var(--paper);
  color: var(--ink); cursor: pointer; }
.chip[aria-pressed="true"] { background: var(--frog); color: #0d1a10; }
.mode { border: 1px dashed var(--rule); border-radius: 4px; padding: 6px 12px 8px; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 4px 18px; font-size: 14px; }
.mode legend { font-size: 12px; color: var(--ink-faint); padding: 0 4px; }
.field { display: grid; gap: 4px; font-size: 13px; color: var(--ink-soft); font-weight: 700; margin-bottom: 12px; }
.field.inline { display: inline-flex; align-items: center; gap: 8px; margin-right: 12px; }
.field.grow { flex: 1; margin: 0; }
textarea, input[type="text"], input[type="number"], select {
  font: 15px var(--f-mono); color: var(--ink); background: var(--paper); border: 1.5px solid var(--rule); border-radius: 4px;
  padding: 8px 10px; width: 100%; min-width: 0;
}
.field.inline input[type="number"] { width: 90px; }
textarea:focus, input:focus, select:focus { border-color: var(--cyan); outline: none; box-shadow: 0 0 0 3px var(--cyan-wash); }
textarea { resize: vertical; line-height: 1.7; }
input[type="range"] { width: 100%; accent-color: var(--frog); }

.symbols { display: flex; flex-wrap: wrap; gap: 6px; max-height: 150px; overflow: auto; }
.sym { font: 700 13px var(--f-mono); min-width: 32px; padding: 3px 8px; border-radius: 4px; border: 1px solid var(--rule);
  background: var(--frog-wash); color: var(--ink); cursor: pointer; }
.sym:hover { border-color: var(--frog); }

.knob-row { padding: 10px 0; border-bottom: 1px dashed var(--rule); }
.knob-row:last-child { border-bottom: 0; }
.knob-head { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; }
.kname { font: 700 14px var(--f-mono); color: var(--frog-deep); }
.kval { font: 700 14px var(--f-mono); color: var(--ink); }
.knote { margin: 2px 0 0; font-size: 12.5px; color: var(--ink-soft); line-height: 1.6; }
#knobs { margin-bottom: 14px; }

.ask { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.answer { margin-top: 18px; }
.predict { font-size: 18px; margin: 0 0 14px; }
.predict b { font-family: var(--f-mono); background: var(--frog); color: #0d1a10; padding: 2px 10px; border-radius: 4px; }
.numbers { margin-top: 14px; font-size: 14px; }
.numbers summary { cursor: pointer; font-weight: 700; color: var(--ink-soft); }
.table-wrap { overflow-x: auto; margin-top: 10px; }
#explain-table { border-collapse: collapse; font: 13px var(--f-mono); min-width: 520px; }
#explain-table th, #explain-table td { padding: 5px 10px; border-bottom: 1px solid var(--rule); text-align: left; }
#explain-table td.num { text-align: right; }
#explain-table td.flag { color: var(--spike); font-weight: 700; }

.gen-controls { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; font-size: 14px; }
.gen-controls .field { margin: 0; }
.gen-out { font: 16px var(--f-mono); line-height: 2; margin: 12px 0 0; word-break: break-all; min-height: 2em; }
.gen-out .given { background: var(--paper-2); padding: 2px 4px; border-radius: 3px; }
.gen-out .made { color: var(--frog-deep); font-weight: 700; }
.gen-out .end { color: var(--ink-faint); font-size: 12px; margin-left: 6px; }

.err-box { margin: 14px 0 0; padding: 10px 14px; border-left: 4px solid var(--spike); background: color-mix(in srgb, var(--spike) 10%, transparent);
  font-size: 14px; font-weight: 700; border-radius: 0 4px 4px 0; }

.code-head { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; align-items: center; }
.code-head h2 { margin: 0; }
.code-head .field { margin: 0; }
.code-head select { width: auto; }
.code-input { background: var(--code-bg); color: var(--code-ink); border-color: transparent; font-size: 14px; tab-size: 4; }
.code-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 14px 0; align-items: center; }
pre.out { min-height: 160px; max-height: 460px; white-space: pre-wrap; word-break: break-word; }
pre.out .e { color: #ff9a85; }