:root{--bk-felt: #0f4d3a;--bk-felt-dark: #0a3527;--bk-tile-bg: #f4ecd8;--bk-tile-border: #8a7a5c;--bk-text: #2a2a2a;--bk-panel-bg: #1a1a1a;--bk-accent: #d4a017;--bk-fresh: #d4a017;--bk-borrowed: #35c7d8;--bk-tile-h: 44px;--bk-slot-size: 44px;--bk-slot-gap: 4px}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;background:var(--bk-felt-dark);color:var(--bk-text);font-family:system-ui,-apple-system,sans-serif;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}.bk-app{height:100vh;height:100dvh;display:flex;flex-direction:column;max-width:480px;margin:0 auto;position:relative;overflow:hidden;touch-action:manipulation;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none}.bk-hud{background:var(--bk-panel-bg);color:#f4ecd8;padding:8px 44px 8px 12px;font-size:14px;position:sticky;top:0;z-index:5;flex-shrink:0}.bk-hud-row{display:flex;justify-content:space-between;gap:8px}.bk-hud-item{white-space:nowrap}.bk-charm-strip{flex-shrink:0;height:40px;display:flex;align-items:center;gap:6px;padding:0 10px;overflow-x:auto;overflow-y:hidden;background:var(--bk-panel-bg);border-bottom:1px solid rgba(255,255,255,.08);white-space:nowrap}.bk-charm-empty{color:#f4ecd880;font-size:12px;font-style:italic}.bk-charm-chip{flex-shrink:0;height:28px;padding:0 10px;border-radius:14px;border:1px solid var(--bk-accent);background:#d4a01726;color:#f4ecd8;font-size:12px;font-weight:600}.bk-charm-chip-rule{border-color:#d9534f;background:#d9534f2e}.bk-charm-chip-fired{animation:bk-charm-pulse 1.4s ease-out 1}@keyframes bk-charm-pulse{0%{transform:scale(1);opacity:1;box-shadow:0 0 #d4a017b3}25%{transform:scale(1.12);opacity:1;box-shadow:0 0 0 6px #d4a01700}to{transform:scale(1);opacity:1;box-shadow:0 0 #d4a01700}}.bk-table{flex:1;min-height:0;display:flex;flex-direction:column;background:var(--bk-felt)}.bk-hint{flex-shrink:0;height:20px;line-height:20px;padding:0 12px;text-align:center;color:var(--bk-accent);font-size:13px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.bk-felt-wrap{position:relative;flex:1;min-height:0}.bk-felt{height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain;display:flex;flex-wrap:wrap;align-content:flex-start;gap:6px;padding:6px 8px}.bk-scroll-fade{position:absolute;left:0;right:0;height:18px;pointer-events:none;opacity:0;transition:opacity .12s ease;z-index:2}.bk-scroll-fade-visible{opacity:1}.bk-scroll-fade-top{top:0;background:linear-gradient(to bottom,var(--bk-felt),transparent)}.bk-scroll-fade-bottom{bottom:0;background:linear-gradient(to top,var(--bk-felt),transparent)}.bk-scroll-more{position:absolute;bottom:2px;left:50%;transform:translate(-50%);font-size:11px;color:#f4ecd8d9;background:#00000059;padding:1px 8px;border-radius:8px;pointer-events:none;visibility:hidden;z-index:3}.bk-scroll-more-visible{visibility:visible}.bk-meld{position:relative;padding:13px 6px 6px;padding-right:calc(var(--bk-slot-size) + var(--bk-slot-gap) + 6px);border-radius:6px;border:2px solid transparent;background:#ffffff0d;cursor:pointer;min-height:calc(var(--bk-tile-h) + 13px + 6px)}.bk-meld-legal{border-color:#4caf50}.bk-meld-incomplete{border-color:#d4a017}.bk-meld-illegal{border-color:#d9534f}.bk-meld-blocking{border-color:#ff6b6b;box-shadow:0 0 0 2px #ff6b6b80 inset}.bk-meld-target{background:#4caf502e;box-shadow:0 0 0 2px #4caf5099 inset}.bk-meld-tag{position:absolute;top:2px;left:6px;font-size:9px;font-weight:700;letter-spacing:.02em;line-height:1;color:#f4ecd88c;white-space:nowrap}.bk-meld-tag-scores{color:#7be08a}.bk-meld-tag-blocked{color:#ff8a8a}.bk-meld-tiles{position:relative;display:flex;flex-wrap:wrap;align-items:flex-end;gap:2px;min-height:var(--bk-tile-h)}.bk-drop-slot{position:absolute;right:calc(-1 * (var(--bk-slot-size) + var(--bk-slot-gap)));bottom:0;width:var(--bk-slot-size);height:var(--bk-slot-size);border:2px dashed rgba(76,175,80,.9);border-radius:4px;color:#eafff0;font-size:20px;font-weight:700;line-height:1;padding:0;cursor:pointer}.bk-drop-slot-idle{background:#ffffff08;border-color:#ffffff26;color:#ffffff26}.bk-drop-slot-target{background:#4caf5026;border-color:#4caf50e6;color:#eafff0}.bk-action-strip{flex-shrink:0;display:flex;align-items:stretch;gap:6px;padding:6px 8px;background:var(--bk-felt-dark);border-top:1px solid rgba(255,255,255,.08);border-bottom:1px solid rgba(255,255,255,.08)}.bk-sort-buttons{display:flex;gap:6px;flex:1}.bk-sort-btn{min-height:44px;min-width:44px;font-size:11px;padding:4px 6px;flex:1}.bk-sort-btn-active{background:var(--bk-accent);color:#1a1a1a}.bk-new-meld-slot{flex-shrink:0;min-width:88px;min-height:44px;border:2px dashed rgba(255,255,255,.4);border-radius:6px;background:transparent;color:#ffffffb3;font-size:12px;cursor:pointer}.bk-rack{flex-shrink:0;display:flex;flex-wrap:wrap;gap:4px;padding:8px 10px;background:var(--bk-felt-dark);min-height:calc(var(--bk-tile-h) + 16px);border-top:3px solid rgba(0,0,0,.3);cursor:pointer}.bk-rack-target{background:#4caf502e;box-shadow:0 0 0 2px #4caf5099 inset}.bk-tile{position:relative;width:34px;height:var(--bk-tile-h);border-radius:4px;border:2px solid var(--bk-tile-border);background:var(--bk-tile-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:700;padding:0;font-size:13px}.bk-tile-selected{transform:translateY(-6px);box-shadow:0 4px 10px #0006;transition:transform .12s ease}.bk-tile-wild{background:linear-gradient(135deg,#e0d0ff,#f4ecd8);color:#6a3fb5}.bk-tile-glyph{font-size:10px;line-height:1}.bk-tile-value{font-size:14px;line-height:1.2}.bk-tile-prov-fresh{outline:2px solid var(--bk-fresh);outline-offset:-2px}.bk-tile-prov-borrowed{outline:2px solid var(--bk-borrowed);outline-offset:-2px}.bk-tile-prov-fresh:after,.bk-tile-prov-borrowed:after{content:"";position:absolute;top:1px;right:1px;width:6px;height:6px}.bk-tile-prov-fresh:after{border-radius:50%;background:var(--bk-fresh)}.bk-tile-prov-borrowed:after{border-radius:1px;height:3px;background:var(--bk-borrowed)}.bk-score-preview{flex-shrink:0;height:20px;line-height:20px;text-align:center;color:#f4ecd8;font-size:14px;overflow:hidden;white-space:nowrap}.bk-error{flex-shrink:0;height:32px;line-height:1.3;text-align:center;color:#ffb3b3;font-size:11px;padding:0 12px;overflow:hidden;display:flex;align-items:center;justify-content:center}.bk-controls{flex-shrink:0;display:flex;gap:6px;padding:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom));background:var(--bk-panel-bg)}.bk-btn{flex:1;padding:10px 6px;border-radius:6px;border:none;background:#444;color:#fff;font-size:13px;font-weight:600}.bk-btn:disabled{opacity:.4}.bk-btn-primary{background:var(--bk-accent);color:#1a1a1a}.bk-btn-danger{background:#7a2020}.bk-lever{flex:1.5}.bk-help-btn{position:absolute;top:6px;right:6px;z-index:20;width:32px;height:32px;border-radius:50%;border:none;background:#0009;color:#fff;font-weight:700}.bk-modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:30;padding:16px}.bk-modal{background:#f4ecd8;color:#1a1a1a;border-radius:10px;padding:20px;max-width:340px}.bk-modal-scroll{max-height:80dvh;overflow-y:auto;-webkit-overflow-scrolling:touch}.bk-modal-sub{font-style:italic;opacity:.8}.bk-modal .bk-btn{display:block;width:100%;margin-top:8px}.bk-modal ul{padding-left:18px}.bk-modal li{margin-bottom:8px;font-size:14px}.bk-overlay-screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:20px;background:var(--bk-felt);color:#f4ecd8;text-align:center;overflow-y:auto}.bk-overlay-screen>.bk-btn{flex:0 0 auto;width:100%;max-width:280px;padding:14px 20px}.bk-cascade{list-style:none;padding:0;width:100%;max-width:360px}.bk-cascade-row{display:flex;justify-content:space-between;gap:6px;padding:6px 8px;font-size:12px;border-bottom:1px solid rgba(255,255,255,.15)}.bk-status-static{opacity:.5}.bk-cascade-score{font-weight:700}.bk-bonus{color:var(--bk-accent);font-weight:600}.bk-turn-total{font-size:20px;font-weight:700}.bk-scored-charms-note{font-size:12px;opacity:.75}.bk-cascade-charm-marker{color:var(--bk-accent)}.bk-scored-charms{width:100%;max-width:360px;text-align:left}.bk-scored-charms h3{margin:4px 0;font-size:13px;text-transform:uppercase;letter-spacing:.04em;opacity:.8}.bk-scored-charms-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:4px}.bk-scored-charms-list li{font-size:13px;padding:4px 8px;border-radius:6px;background:#d4a0171a}.bk-shop-list{list-style:none;padding:0;width:100%;max-width:360px}.bk-shop-item{display:flex;justify-content:space-between;align-items:center;gap:10px;background:#ffffff14;border-radius:6px;padding:8px 10px;margin-bottom:8px;text-align:left}.bk-shop-item p{font-size:12px;margin:2px 0 0;opacity:.8}.bk-shop-owned{font-size:12px;opacity:.85;max-width:360px}.bk-tutorial-row{display:flex;align-items:center;gap:8px;margin-bottom:6px}.bk-tutorial-row-label{font-size:12px;flex-shrink:0;width:120px}.bk-tutorial-row-tiles{display:flex;gap:3px}.bk-tutorial-table{width:100%;border-collapse:collapse;font-size:12px;margin:8px 0}.bk-tutorial-table th,.bk-tutorial-table td{border-bottom:1px solid rgba(0,0,0,.15);padding:3px 4px;text-align:left}.bk-worked-example{font-size:12px;font-weight:600}.bk-legend{padding-left:0;list-style:none;font-size:12px}.bk-legend li{display:flex;align-items:center;gap:6px}.bk-legend-swatch{display:inline-block;width:16px;height:16px;border-radius:3px;flex-shrink:0}.bk-legend-fresh{outline:2px solid var(--bk-fresh);outline-offset:-2px;background:var(--bk-tile-bg)}.bk-legend-borrowed{outline:2px solid var(--bk-borrowed);outline-offset:-2px;background:var(--bk-tile-bg)}.bk-legend-tag{background:#00000014;border:1px dashed rgba(0,0,0,.3)}