/* Breakout v3: continuous, interlocking trails instead of grid arrow tiles. */
.br-shell{max-width:1160px;margin:0 auto;padding:22px 22px 68px;color:var(--ink)}
.br-back,.br-archive>a:first-child{display:inline-block;margin:4px 0 20px;text-decoration:none;font-weight:800;font-size:.82rem;color:#667085}
.br-heading{max-width:750px;margin-bottom:25px}.br-heading .eyebrow{display:block;margin-bottom:7px}
.br-heading h1{margin:0 0 13px;font-weight:1000;font-size:clamp(3.4rem,8vw,5.5rem);line-height:1;letter-spacing:-.075em;color:#102f4f}
.br-heading h1 span{color:#e5a928}.br-heading p{margin:0;color:#647088;font-size:1.04rem;line-height:1.55}
.br-heading p strong{color:#26394e}.br-heading p em{font-style:normal;font-weight:850;color:#176588}
.br-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
.br-meta span{font-size:.71rem;color:#455b74;font-weight:850;background:#edf1f5;border-radius:99px;padding:7px 11px}
.br-meta .br-difficulty{background:#fff0c4;color:#795000}
.br-game-layout{display:grid;grid-template-columns:minmax(0,700px) minmax(260px,1fr);gap:20px;align-items:start}
.br-play-card{min-width:0;padding:18px;border:1px solid #dce4e9;border-radius:24px;background:#fff;box-shadow:0 12px 32px rgba(15,47,81,.07)}
.br-board-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 2px 14px;font-weight:900;font-size:.73rem;letter-spacing:.1em;color:#587083}
.br-move-count{letter-spacing:0;font-size:.84rem;color:#31475d}.br-move-count strong{color:#0c517a;font-size:1.23rem}
.br-board{width:100%;aspect-ratio:1;position:relative;isolation:isolate;overflow:hidden;background-color:#f2f7f8;
  background-image:radial-gradient(circle,rgba(59,102,123,.24) 1px,transparent 1.4px);
  background-size:calc(100% / 11) calc(100% / 11);
  background-position:calc(100% / 22) calc(100% / 22);
  border:2px solid #cad8e1;border-radius:20px;box-shadow:inset 0 0 20px rgba(10,56,83,.055)}
.br-loading{display:block;padding:25px;color:#5d7180;text-align:center;font-weight:700}
.br-trails-svg{width:100%;height:100%;display:block;overflow:hidden;touch-action:manipulation}
.br-trail{cursor:pointer;outline:none;touch-action:manipulation}
.br-trail-outline{fill:none;stroke:#f2f7f8;stroke-width:16;stroke-linecap:round;stroke-linejoin:round;pointer-events:none}
.br-trail-line{fill:none;stroke:#276185;stroke-width:9.8;stroke-linecap:round;stroke-linejoin:round;pointer-events:none;filter:drop-shadow(0 1px 1px rgba(7,48,74,.14))}
.br-trail:nth-child(4n+2) .br-trail-line{stroke:#3e7796}.br-trail:nth-child(4n+3) .br-trail-line{stroke:#155374}
.br-trail:nth-child(4n+4) .br-trail-line{stroke:#597f92}
.br-trail-head{fill:#276185;stroke:#f2f7f8;stroke-width:1.5;stroke-linejoin:round;pointer-events:none}
.br-trail:nth-child(4n+2) .br-trail-head{fill:#3e7796}.br-trail:nth-child(4n+3) .br-trail-head{fill:#155374}
.br-trail:nth-child(4n+4) .br-trail-head{fill:#597f92}
.br-trail-hit{fill:none;stroke:transparent;stroke-width:24;stroke-linecap:round;stroke-linejoin:round;pointer-events:stroke}
.br-trail.is-gold .br-trail-outline{stroke:#ffeed0;stroke-width:19}
.br-trail.is-gold .br-trail-line{stroke:#e4a20d;stroke-width:12.5;filter:drop-shadow(0 0 2px rgba(214,139,0,.45))}
.br-trail.is-gold .br-trail-head{fill:#e4a20d;stroke:#fff2cd;stroke-width:2.5}
.br-trail:hover .br-trail-line,.br-trail:focus-visible .br-trail-line{stroke:#03a4be;stroke-width:12.5}
.br-trail.is-gold:hover .br-trail-line,.br-trail.is-gold:focus-visible .br-trail-line{stroke:#ffbd25;stroke-width:14}
.br-trail:focus-visible .br-trail-outline{stroke:#126fd0;stroke-width:20}
.br-trail.is-hinted .br-trail-outline{stroke:#fa5d60;stroke-width:20;animation:br-hint-glow .7s ease-in-out 3}
.br-trail.is-blocked{animation:br-shake .27s ease-in-out;transform-box:fill-box;transform-origin:center}
.br-trail.is-departing{pointer-events:none;cursor:default}
.br-status{min-height:42px;margin-top:13px;display:flex;align-items:center;font-weight:750;color:#365c71;font-size:.84rem;line-height:1.4}
.br-controls{display:flex;flex-wrap:wrap;gap:10px;margin-top:2px}
.br-action{flex:1 1 160px;padding:12px 13px;border-radius:13px;font-weight:850;font-size:.81rem;border:1px solid #cfdae1;background:#f5f9fb;color:#17486b}
.br-action:hover{background:#e8f3f8}.br-action:disabled{opacity:.5}
.br-guide{display:grid;gap:14px}
.br-guide-card,.br-win{padding:22px;border:1px solid #e0e4e7;border-radius:22px;background:#fffdf6}
.br-guide-card h2{font-size:1.34rem;letter-spacing:-.04em;line-height:1.15;margin:9px 0 16px}
.br-guide-card ol{padding-left:19px;margin:0;display:grid;gap:13px;color:#3e5166;font-size:.84rem}
.br-guide-card li{padding-left:4px}.br-guide-card b{color:#1e354e}
.br-guide-card>p{padding-top:14px;margin:14px 0 0;border-top:1px solid #e5e0d3;color:#768089;font-size:.78rem}
.br-win{background:#fff5d4;border-color:#f5d77c}.br-win[hidden]{display:none}
.br-medal{display:inline-block;margin-top:8px;font-size:.66rem;font-weight:1000;letter-spacing:.08em;border-radius:99px;padding:5px 9px;background:#f1e5bc;color:#75500c}
.br-medal[data-tier="silver"]{background:#e4e9ed;color:#52616b}.br-medal[data-tier="bronze"]{background:#ead8c8;color:#86512b}.br-medal[data-tier="assisted"]{background:#f4e5d0;color:#9d653c}
.br-win h2{margin:7px 0;font-size:1.42rem;color:#5f470f}
.br-result-num{display:flex;align-items:baseline;gap:10px;margin:8px 0}.br-result-num strong{font-size:2.8rem;line-height:1;color:#7a540a}.br-result-num span{font-size:.75rem;font-weight:850;color:#816c3e}
.br-win p{color:#654f25;font-size:.85rem;line-height:1.4}.br-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.br-result-grid>div{padding:9px;border:1px solid #ebd18d;border-radius:11px;background:#fffdf5}
.br-result-grid span{display:block;font-size:.62rem;font-weight:800;color:#856e3c}.br-result-grid strong{font-size:1.45rem;color:#60460b}
.br-share{width:100%;border:0;background:#203d59;border-radius:12px;padding:12px;margin-top:14px;color:white;font-size:.8rem;font-weight:900}
.br-side-links{display:grid;gap:10px;padding:0 6px}.br-side-links a{font-weight:850;text-decoration:none;font-size:.8rem;color:#0d5b81}
.br-below-note{margin:21px 0;text-align:center;color:#7c8490;font-size:.78rem}
.br-archive{max-width:850px;padding:30px 22px 85px;margin:0 auto}.br-archive>.eyebrow{display:block}
.br-archive h1{margin:8px 0;font-size:clamp(2.6rem,6vw,4.3rem);letter-spacing:-.06em;line-height:1.08}
.br-archive>p{margin:0 0 24px;color:#667587}.br-archive-list{display:grid;gap:9px}
.br-archive-item{display:flex;align-items:center;gap:12px;padding:13px;border:1px solid #dddeda;background:#fff;border-radius:15px;text-decoration:none}
.br-archive-item:hover{border-color:#e1ad37}.br-archive-icon{display:grid;place-items:center;flex-shrink:0;width:43px;height:43px;border-radius:10px;background:#fff0c2;font-size:24px;color:#ab7716}
.br-archive-item>span:nth-child(2){min-width:0;flex:1}.br-archive-item b,.br-archive-item small{display:block}
.br-archive-item b{font-size:.85rem}.br-archive-item small{font-size:.67rem;color:#727f89;margin-top:3px}
.br-archive-item>strong{font-size:.73rem;color:#12557d;white-space:nowrap}
@keyframes br-shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-5px)}75%{transform:translateX(5px)}}
@keyframes br-hint-glow{0%,100%{opacity:1}50%{opacity:.45}}
@media(max-width:830px){.br-game-layout{grid-template-columns:1fr}.br-guide{grid-template-columns:1fr 1fr}.br-side-links{grid-column:1/-1}.br-guide-card,.br-win{padding:17px}}
@media(max-width:570px){.br-shell{padding:10px 12px 48px}.br-heading{margin-bottom:17px}.br-heading h1{font-size:3.4rem}.br-heading p{font-size:.87rem}.br-play-card{padding:9px;border-radius:15px}.br-board{border-radius:12px}.br-guide{grid-template-columns:1fr}.br-result-grid{gap:6px}.br-meta span{font-size:.64rem}.br-status{font-size:.74rem}.br-archive-item{padding:9px;gap:8px}.br-archive-item>strong{font-size:.68rem}}
@media(prefers-reduced-motion:reduce){.br-trail.is-blocked,.br-trail.is-hinted{animation:none}.br-trail.is-hinted .br-trail-outline{stroke:#fa5d60}}