.acts { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.acts button {
  display: flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 999px;
  border: 1px solid var(--line); background: var(--paper); font: inherit; font-weight: 600; cursor: pointer; color: var(--muted);
}
.acts button .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: #eef1f7; font-size: .8rem; }
.acts button.current { border-color: var(--accent); color: var(--accent); }
.acts button.current .n { background: var(--accent); color: #fff; }
.acts button.done .n { background: var(--good); color: #fff; }

.act { display: grid; gap: 16px; }
.act .lede { font-size: 1.15rem; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 820px) { .two { grid-template-columns: 1fr; } }

/* coin sequence display */
.seq { display: flex; flex-wrap: wrap; gap: 5px; min-height: 48px; }
.seq .flip {
  width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: .95rem;
  background: #f0efe9; color: var(--ink); border: 2px solid transparent;
}
.seq .flip.H { background: #fde9c9; color: #8a4b00; }
.seq .flip.T { background: #dce7fb; color: #173f8a; }
.seq .flip.ghost { background: transparent; border: 2px dashed var(--line); color: transparent; }
.seq.runs .flip.run { border-color: var(--bad); box-shadow: 0 0 0 2px rgba(214,69,69,.25); }
.seq.compact .flip { width: 26px; height: 26px; font-size: .75rem; }

.keys { display: flex; gap: 12px; }
.keys .btn.big { min-width: 110px; font-size: 1.4rem; }
.keys .btn.H { background: #fde9c9; border-color: #f4cf98; color: #8a4b00; }
.keys .btn.T { background: #dce7fb; border-color: #b7cbf3; color: #173f8a; }

.verdict { padding: 18px 20px; border-radius: 12px; }
.verdict.human { background: #fdeeee; border: 1px solid #f3c2c2; }
.verdict.random { background: #e9f8ee; border: 1px solid #b9e4c7; }
.verdict h2 { margin-bottom: 6px; }
.verdict .reason { margin: 8px 0; }

/* histogram */
.hist { display: flex; align-items: flex-end; gap: 2px; height: 120px; border-bottom: 2px solid var(--ink); padding: 0 2px; }
.hist .bar { flex: 1; background: #c7d2e6; border-radius: 3px 3px 0 0; position: relative; min-width: 4px; }
.hist .bar.you { background: var(--bad); }
.hist .bar.you::after { content: 'you'; position: absolute; top: -18px; left: 50%; transform: translateX(-50%); font-size: .7rem; font-weight: 700; color: var(--bad); }
.hist .bar.expected { background: var(--accent); }
.hist-axis { display: flex; justify-content: space-between; font-size: .75rem; color: var(--muted); margin-top: 4px; }

/* act 2 */
.choice { cursor: pointer; transition: border-color .15s, transform .05s; }
.choice:hover { border-color: var(--accent); }
.choice.right { border-color: var(--good); background: #f2fbf5; }
.choice.wrong { border-color: var(--bad); background: #fdf3f3; }
.choice .label { font-weight: 700; margin-bottom: 8px; display: flex; justify-content: space-between; }
.scorebox { display: flex; gap: 6px; }
.scorebox i { width: 18px; height: 18px; border-radius: 50%; background: #e4e6ec; display: inline-block; }
.scorebox i.hit { background: var(--good); }
.scorebox i.miss { background: var(--bad); }

/* act 3 leaderboard */
.board { display: grid; gap: 4px; }
.shooter { display: grid; grid-template-columns: 90px 1fr 70px; gap: 10px; align-items: center; padding: 3px 8px; border-radius: 8px; cursor: pointer; border: 2px solid transparent; }
.shooter:hover { background: #f3f4f7; }
.shooter.picked { border-color: var(--accent); background: #eef3ff; }
.shooter.leader { font-weight: 700; }
.shooter .track { height: 14px; background: #eceef3; border-radius: 7px; overflow: hidden; display: flex; flex-direction: column; gap: 2px; }
.shooter .track i { display: block; flex: 1; background: var(--accent); border-radius: 7px; }
.shooter .track.two-rows { height: 16px; }
.shooter .track i.r2 { background: var(--warn); }
.shooter .score { text-align: right; font-variant-numeric: tabular-nums; }
.shooter .score small { color: var(--muted); }
.controls { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
input[type=range] { width: 220px; }

/* act 4 beans */
.beans { display: flex; flex-wrap: wrap; gap: 8px; }
.bean { display: flex; align-items: center; gap: 8px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--paper); font-size: .9rem; }
.bean i { width: 16px; height: 22px; border-radius: 50% / 45%; display: inline-block; border: 1px solid rgba(0,0,0,.15); }
.bean .p { font-variant-numeric: tabular-nums; color: var(--muted); }
.bean.sig { border-color: var(--bad); background: #fdf1f1; font-weight: 700; }
.bean.sig .p { color: var(--bad); }
.bean.gone { opacity: .45; text-decoration: line-through; }
.newspaper { background: #fffdf5; border: 1px solid #e8dfc2; padding: 18px 22px; border-radius: 6px; font-family: Georgia, "Times New Roman", serif; }
.newspaper .masthead { text-transform: uppercase; letter-spacing: .2em; font-size: .75rem; color: var(--muted); border-bottom: 2px solid var(--ink); padding-bottom: 6px; margin-bottom: 10px; }
.newspaper h2 { font-size: 1.6rem; line-height: 1.1; }
.counter { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.counter div { background: #f4f5f8; border-radius: 10px; padding: 10px 12px; }
.counter b { display: block; font-size: 1.4rem; }
.counter span { font-size: .85rem; color: var(--muted); }

.takeaways { display: grid; gap: 10px; }
.takeaways .card { display: grid; grid-template-columns: 40px 1fr; gap: 12px; align-items: start; }
.takeaways .n { width: 40px; height: 40px; border-radius: 12px; background: var(--accent); color: #fff; display: grid; place-items: center; font-weight: 800; font-size: 1.1rem; }