:root{--bg: #f7f7f8;--panel: #ffffff;--ink: #1a1a1a;--muted: #6b7280;--line: #e2e2e5;--accent: #2f6f4f;--accent-ink: #ffffff;--badge-bg: #eef2ff;--badge-ink: #3730a3;--own-bg: #eef7f1;--radius: 8px;--gap: 12px;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}.hacs-app{max-width:1100px;margin:0 auto;padding:16px}.hacs-topbar{display:flex;align-items:center;gap:12px;padding:8px 12px;margin-bottom:12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.hacs-topbar h1{font-size:15px;margin:0;font-weight:600}.hacs-seatchip{font-weight:600;padding:2px 8px;border-radius:6px;background:var(--own-bg);border:1px solid var(--line)}.hacs-conn{margin-left:auto;font-size:12px;color:var(--muted)}.hacs-conn[data-state=connected]{color:var(--accent)}.hacs-conn[data-state=disconnected]{color:#b91c1c}.hacs-grid{display:grid;grid-template-columns:1fr 320px;gap:var(--gap);align-items:start}.hacs-col{display:flex;flex-direction:column;gap:var(--gap)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px}.panel>h2{font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:0 0 8px;font-weight:600}.btn{font:inherit;cursor:pointer;padding:6px 12px;border-radius:6px;border:1px solid var(--line);background:var(--panel);color:var(--ink)}.btn:hover{border-color:var(--muted)}.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.small{padding:3px 8px;font-size:12px}.input,.textarea,select.input{font:inherit;width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink)}.textarea{resize:vertical;min-height:40px}.row{display:flex;gap:8px;align-items:center}.badge{font-size:11px;padding:1px 6px;border-radius:999px;background:var(--badge-bg);color:var(--badge-ink);border:1px solid #dce0fb}.roster{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.roster li{display:flex;align-items:center;gap:8px}.roster .dot{width:8px;height:8px;border-radius:50%;background:var(--muted)}.roster .you{font-weight:600}.chat-log{display:flex;flex-direction:column;gap:8px;max-height:340px;overflow-y:auto;padding-right:4px}.msg{padding:6px 10px;border:1px solid var(--line);border-radius:8px;background:#fff}.msg.own{background:var(--own-bg)}.msg .meta{font-size:12px;color:var(--muted);margin-bottom:2px;display:flex;gap:6px;align-items:center}.msg .who{font-weight:600;color:var(--ink)}.msg .dm{color:#9333ea}.typing-line{font-size:12px;color:var(--muted);min-height:16px;font-style:italic}.empty{color:var(--muted);font-size:13px;padding:8px 0}.assistant .exchange{border:1px solid var(--line);border-radius:8px;padding:8px;margin-bottom:8px;background:#fbfbfd}.assistant .exchange .q{font-weight:600;margin-bottom:4px}.assistant .exchange .a{white-space:pre-wrap}.assistant .note{font-size:12px;color:var(--muted)}.clues{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.clue{border:1px solid var(--line);border-radius:6px;padding:6px 8px;background:#fff;display:flex;gap:8px;align-items:center;justify-content:space-between}.clue.shared{background:#f3f6f4}.answer-options{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}.answer-state{font-size:13px;color:var(--muted)}.answer-state b{color:var(--ink)}.probe .prompt{margin-bottom:8px}.probe .scale{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.probe .scale label{display:inline-flex;flex-direction:column;align-items:center;font-size:12px;gap:2px}.slider-row{display:flex;gap:10px;align-items:center}.slider-row output{min-width:24px;text-align:center;font-weight:600}.brief{white-space:pre-wrap;line-height:1.45}.section-note{font-size:12px;color:var(--muted);margin-top:4px}.hacs-lobby{max-width:460px;margin:0 auto}.hacs-lobby-you{color:var(--muted);font-size:13px;margin:0 0 10px}.hacs-lobby-seats{list-style:none;margin:0 0 8px;padding:0;display:flex;flex-direction:column;gap:6px}.hacs-lobby-seat{display:flex;align-items:center;gap:8px;padding:6px 8px;border:1px solid var(--line);border-radius:6px;background:#fff}.hacs-lobby-dot{width:8px;height:8px;border-radius:50%;background:var(--muted);flex:none}.hacs-lobby-seat[data-occupied=true] .hacs-lobby-dot{background:var(--accent)}.hacs-lobby-name{font-weight:600}.hacs-lobby-status{margin-left:auto;font-size:12px;color:var(--muted)}.hacs-consent{max-width:560px;margin:0 auto}.hacs-consent-brief{line-height:1.5;margin:0 0 10px}.hacs-consent-doc{border:1px solid var(--line);border-radius:6px;background:#fff;padding:10px 12px;max-height:260px;overflow-y:auto;white-space:pre-wrap;line-height:1.5;font-size:13px;margin-bottom:10px}.hacs-consent-affirm{display:flex;gap:8px;align-items:flex-start;font-size:13px;margin-bottom:10px;cursor:pointer}.hacs-consent-affirm input{margin-top:2px}.hacs-consent-actions{display:flex;gap:8px;align-items:center}.hacs-consent-error{color:#a33;font-size:13px;margin:8px 0 0}.hacs-debrief{max-width:560px;margin:0 auto}.hacs-debrief-text{line-height:1.5;white-space:pre-wrap}.hacs-debrief-disclosure{border:1px solid var(--line);border-left:3px solid var(--accent);border-radius:6px;background:#fff;padding:8px 12px;margin-top:10px}.hacs-debrief-disclosure h3{font-size:13px;margin:0 0 6px}.hacs-debrief-disclosure p{margin:0;line-height:1.5;white-space:pre-wrap}.hacs-withdraw{text-align:center}.hacs-withdraw .row{justify-content:center}.hacs-withdraw-btn{color:var(--muted)}.rank-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}.rank-item{align-items:center}.rank-pos{color:var(--muted);font-variant-numeric:tabular-nums;min-width:22px;text-align:right}.rank-text{flex:1}.rank-controls{gap:4px;flex-shrink:0}