:root{font-family:Inter,system-ui,sans-serif;color:#14141a;background:#fff;--black-color: #1a1a2e;--white-color: #ffffff;--black-bg: #d6dff8;--white-bg: #b8b8b8;--empty-bg: #fff;--accent: #6a8db5;--bg: #ffffff;--ink: #14141a;--ink-2: #4a4a55;--ink-3: #8a8a92;--ink-4: #b8b6b0;--rule: #e6e2d9;--rule-strong: #c9c4b8;--accent-soft: rgba(20,20,26,.08);--highlight: #c9a24a;--sans: "Inter", system-ui, sans-serif;--mono: "IBM Plex Mono", ui-monospace, monospace;--display: "Archivo", "Inter", system-ui, sans-serif}*{box-sizing:border-box}html{overflow-x:hidden;max-width:100%}body{margin:0;overflow-x:hidden;max-width:100%}button{cursor:pointer}html,body{background:#fff;color:var(--ink);-webkit-text-size-adjust:100%;text-size-adjust:100%;background-image:radial-gradient(ellipse at 20% 10%,rgba(0,0,0,.006) 0%,transparent 60%),radial-gradient(ellipse at 85% 90%,rgba(0,0,0,.006) 0%,transparent 60%),url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='4'/><feColorMatrix values='0 0 0 0 0   0 0 0 0 0   0 0 0 0 0   0 0 0 0.035 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");background-attachment:fixed}.app-shell{padding:0;background:transparent;min-height:100vh}.topbar{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:22px 32px 18px;border-bottom:1px solid var(--rule);position:sticky;top:0;background:#ffffffe0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);z-index:50}.topbar-2row{position:sticky;top:0;background:#ffffffe0;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);z-index:50}.topbar-row1{display:flex;align-items:center;justify-content:space-between;padding:14px 32px 8px;border-bottom:1px solid var(--rule)}.topbar-row2{display:flex;align-items:center;justify-content:flex-end;gap:0;padding:0 24px}.wordmark{font-family:var(--display);font-size:18px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);display:flex;align-items:baseline;gap:10px}.wordmark-num{font-family:var(--mono);font-size:11px;font-weight:400;color:var(--ink-3);letter-spacing:.2em;display:inline-block}.meta-center{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);text-align:center}.topbar-actions{display:flex;justify-content:flex-end;align-items:center;gap:4px}.top-btn{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-2);padding:8px 14px;background:none;border:none;cursor:pointer;transition:color .15s}.top-btn:hover:not(:disabled){color:var(--ink)}.top-btn:disabled{opacity:.35;cursor:not-allowed}.cpu-name-chip{font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-2);background:none;border:none;padding:0;cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-color:var(--ink-4);transition:color .15s}.cpu-name-chip:hover{color:var(--ink)}.top-divider{width:1px;height:14px;background:var(--rule-strong);margin:0 6px;display:inline-block;vertical-align:middle}.layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:0;min-height:calc(100vh - 64px);align-items:start}.board-col{display:flex;flex-direction:column}.board-stage{display:flex;align-items:center;justify-content:center;padding:36px 32px}.panel-col{border-left:1px solid var(--rule);display:flex;flex-direction:column;background:#ffffffe0;min-height:calc(100vh - 64px)}.panel-section{padding:22px 24px;border-bottom:1px solid var(--rule)}.panel-section:last-child{border-bottom:none}.section-eyebrow{font-family:var(--mono);font-size:9px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-3);margin:0 0 10px}.turn-row{display:flex;align-items:center;gap:12px;margin-bottom:6px}.turn-chip{width:26px;height:26px;border-radius:50%;display:inline-block;flex-shrink:0}.turn-chip-black{background:radial-gradient(ellipse at 38% 30%,#7a4a1e,#4a2c0e 55%,#2e1808);box-shadow:inset 0 1px 2px #ffffff26,0 1px 2px #0000004d}.turn-chip-white{background:radial-gradient(ellipse at 38% 30%,#f5e8cc,#e0c898 55%,#c8a870);box-shadow:inset 0 1px 2px #ffffff80,0 1px 2px #00000026}.turn-name{font-family:var(--display);font-size:12px;font-weight:600;letter-spacing:.04em;text-transform:uppercase;line-height:1;color:var(--ink)}.turn-meta{font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3)}.phase-line{display:flex;align-items:center;gap:8px;margin-top:14px;padding-top:14px;border-top:1px solid var(--rule)}.phase-dot{width:6px;height:6px;border-radius:50%;background:var(--ink);flex-shrink:0;transition:background .15s}.phase-dot-finished{background:var(--ink-4)}.phase-dot-build{background:#6a5b8a}.phase-label-text{font-family:var(--mono);font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink)}.phase-pos-tag{font-family:var(--display);font-size:16px;font-weight:600;letter-spacing:.06em;margin-left:auto;color:var(--ink-2)}.phase-hint-text{font-size:13px;color:var(--ink-2);margin-top:10px;line-height:1.5;min-height:20px}.gbh-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;padding:7px 18px 8px;background:repeating-linear-gradient(125deg,rgba(0,0,0,.07) 0px,rgba(0,0,0,.07) .5px,transparent .5px,transparent 1.5px),#fff;border-bottom:1px solid rgba(0,0,0,.1)}.gbh-status-row{display:flex;align-items:center;justify-content:center}.gbh-status-pill{display:inline-flex;align-items:center;gap:7px;padding:3px 14px;border-radius:999px;background:#00000006;border:1px solid var(--rule)}.gbh-status-dot{width:6px;height:6px;border-radius:999px;flex-shrink:0;animation:gbh-breathe 2.4s ease-in-out infinite}.gbh-status-text{font-family:var(--mono);font-size:10px;letter-spacing:.22em;font-weight:600;text-transform:uppercase;white-space:nowrap}.gbh-status-pregame{background:#c8954514;border-color:#c895454d}.gbh-status-pregame .gbh-status-dot{background:#c89545}.gbh-status-pregame .gbh-status-text{color:#946a2d}.gbh-status-your-turn{background:#4a986614;border-color:#4a98664d}.gbh-status-your-turn .gbh-status-dot{background:#4a9866}.gbh-status-your-turn .gbh-status-text{color:#2e6d44}.gbh-status-opp-turn{background:#00000006;border-color:var(--rule)}.gbh-status-opp-turn .gbh-status-dot{background:#8b8275;animation:none}.gbh-status-opp-turn .gbh-status-text{color:var(--ink-2)}.gbh-status-warn{background:#c48a3e1a;border-color:#c48a3e59}.gbh-status-warn .gbh-status-dot{background:#c48a3e;animation:gbh-breathe 1.5s ease-in-out infinite}.gbh-status-warn .gbh-status-text{color:#8a5a16}.gbh-status-crit{background:#c4493e1f;border-color:#c4493e73}.gbh-status-crit .gbh-status-dot{background:#c4493e;animation:gbh-breathe .7s ease-in-out infinite}.gbh-status-crit .gbh-status-text{color:#8c2f25}.gbh-clocks-row{display:grid;grid-template-columns:1fr 1px 1fr;align-items:stretch;gap:0;width:100%;max-width:320px}.gbh-axis{background:linear-gradient(180deg,transparent 0%,var(--rule) 20%,var(--rule) 80%,transparent 100%)}.gbh-clock{display:flex;flex-direction:column;align-items:center;gap:4px;padding:2px 6px;transition:opacity .3s}.gbh-clock:not(.gbh-clock-active){opacity:.4}.gbh-clock-head{display:flex;align-items:center;gap:7px}.gbh-piece-mini{width:10px;height:10px;border-radius:999px;flex-shrink:0}.gbh-piece-black{background:radial-gradient(ellipse at 38% 30%,#7a4a1e,#4a2c0e 55%,#2e1808);box-shadow:inset 1px 1px 2px #ffffff2e,0 1px 2px #0000004d}.gbh-piece-white{background:radial-gradient(ellipse at 38% 30%,#f5e8cc,#e0c898 55%,#c8a870);border:1px solid #bcb29c;box-shadow:inset 0 1px 1px #ffffff80}.gbh-clock-name{font-family:var(--mono);font-size:9.5px;letter-spacing:.28em;color:var(--ink-3);text-transform:uppercase;font-weight:500}.gbh-clock-active .gbh-clock-name{color:var(--ink);font-weight:600}.gbh-clock-warn-warn.gbh-clock-active .gbh-clock-name{color:#8a5a16}.gbh-clock-warn-crit.gbh-clock-active .gbh-clock-name{color:#8c2f25}.gbh-face-wrap{position:relative;width:54px;height:54px}.gbh-arc-svg{width:100%;height:100%;display:block}.gbh-arc-bg{fill:none;stroke:var(--rule);stroke-width:1.5}.gbh-arc-fg{fill:none;stroke-width:1.8;stroke-linecap:round;opacity:.45;transition:stroke-dasharray .9s linear,stroke-width .3s,opacity .3s}.gbh-clock-active .gbh-arc-fg{stroke-width:2.6;opacity:1}.gbh-tick{stroke:var(--ink-4);stroke-width:.6;opacity:.45}.gbh-tick-major{stroke-width:1;opacity:.75}.gbh-clock-active .gbh-tick-major{opacity:1}.gbh-face-inner{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0px;padding:4px;box-sizing:border-box}.gbh-time-text{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;font-weight:400;color:var(--ink-2);letter-spacing:-.02em;line-height:1.1;text-align:center;white-space:nowrap}.gbh-time-byoyomi-prefix{font-family:var(--mono);font-size:8px;font-weight:600;letter-spacing:.12em;color:inherit;line-height:1;text-align:center}.gbh-clock-active .gbh-time-text{color:var(--ink);font-weight:600}.gbh-clock-warn-warn.gbh-clock-active .gbh-time-text{color:#8a5a16;font-weight:600}.gbh-clock-warn-crit.gbh-clock-active .gbh-time-text{color:#c4493e;font-weight:700;animation:gbh-crit-blink .9s ease-in-out infinite}.gbh-pulse-ring{position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;border-radius:999px;border:1px solid #4a9866;opacity:0;animation:gbh-pulse 2.2s ease-out infinite;pointer-events:none}.gbh-clock-warn-warn .gbh-pulse-ring{border-color:#c48a3e;animation-duration:1.4s}.gbh-clock-warn-crit .gbh-pulse-ring{border-color:#c4493e;border-width:1.5px;animation-duration:.7s}@keyframes gbh-breathe{0%,to{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(.85)}}@keyframes gbh-pulse{0%{transform:scale(.92);opacity:0}30%{opacity:.45}to{transform:scale(1.18);opacity:0}}@keyframes gbh-crit-blink{0%,to{opacity:1}50%{opacity:.55}}@media (max-width: 640px){.gbh-wrap{padding:6px 12px 7px}.gbh-face-wrap{width:48px;height:48px}.gbh-time-text{font-size:11px;letter-spacing:-.02em}.gbh-clock-name{font-size:8.5px}.gbh-status-text{font-size:9px}.gbh-clocks-row{max-width:280px}}.online-timer-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:10px 32px;background:#f5f0eb;border-bottom:1px solid var(--rule)}.online-timer-player{display:flex;align-items:center;gap:8px;padding:6px 14px;border-radius:8px;transition:background .2s}.online-timer-player-active{background:#ede6dc;box-shadow:0 1px 3px #0000001a}.online-timer-player-inactive{opacity:.5}.online-timer-symbol{font-size:18px;line-height:1}.online-timer-value{font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:.05em;color:var(--ink);min-width:4.2ch;text-align:center;white-space:nowrap;transition:color .2s}.online-timer-player-inactive .online-timer-value{font-weight:400;font-size:16px;color:var(--ink-4)}.online-timer-sep{color:var(--ink-4);font-size:13px}.online-timer-per-move{display:flex;align-items:center;justify-content:center;gap:10px;padding:10px 32px;background:#f5f0eb;border-bottom:1px solid var(--rule)}.online-timer-per-move-symbol{font-size:18px}.online-timer-per-move-value{font-family:var(--mono);font-size:24px;font-weight:700;letter-spacing:.05em;color:var(--ink);transition:color .2s}.online-timer-warning{color:#e06c26!important}.online-timer-danger{color:#e03a26!important}.timer-panel{margin-top:14px;padding-top:14px;border-top:1px solid var(--rule);display:flex;flex-direction:column;gap:6px}.timer-panel-row{display:flex;align-items:center;gap:10px}.timer-panel-chip{width:16px;height:16px;flex-shrink:0;opacity:.4}.timer-panel-row-active .timer-panel-chip{opacity:1}.timer-panel-value{font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:var(--ink-3);transition:color .2s}.timer-panel-row-active .timer-panel-value{color:var(--ink);font-weight:700;font-size:15px}.timer-panel-inactive{color:var(--ink-4)}.timer-warning{color:#e06c26!important}.timer-danger{color:#e03a26!important}.actions-row{display:flex;gap:6px;flex-wrap:wrap}.action-btn{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:10px 16px;border:1px solid var(--rule-strong);color:var(--ink);background:#fff;cursor:pointer;transition:all .15s}.action-btn:hover:not(:disabled){border-color:var(--ink);background:var(--ink);color:#fff}.action-btn:disabled{color:var(--ink-4);border-color:var(--rule);cursor:not-allowed}.action-btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.action-btn-primary:hover:not(:disabled){background:#fff;color:var(--ink)}.action-btn-ghost{background:transparent;border-color:var(--rule);color:var(--ink-2)}.action-btn-ghost:hover:not(:disabled){border-color:var(--ink);background:var(--ink);color:#fff}.history-section{padding:22px 24px;border-bottom:1px solid var(--rule)}.history-section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.history-list-new{list-style:none;padding:0;margin:0;max-height:260px;overflow-y:auto;font-family:var(--mono);font-size:11px}.history-list-new::-webkit-scrollbar{width:4px}.history-list-new::-webkit-scrollbar-thumb{background:var(--rule-strong)}.hist-item-new{display:grid;grid-template-columns:20px 12px 1fr auto;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid var(--rule);color:var(--ink-2)}.hist-item-new:last-child{border-bottom:none}.hist-item-new.latest{color:var(--ink);font-weight:500;background:var(--accent-soft);padding-left:8px;margin-left:-8px;padding-right:8px;margin-right:-8px}.hist-n{color:var(--ink-4);font-size:10px}.hist-dot-new{width:8px;height:8px;border-radius:50%;display:inline-block}.hist-dot-black-new{background:var(--ink)}.hist-dot-white-new{background:#fff;box-shadow:inset 0 0 0 1px var(--ink-2)}.hist-move-text{letter-spacing:.08em}.hist-build-type{font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}.rule-toggle-btn{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;padding:0;cursor:pointer;text-align:left}.rule-toggle-eyebrow{margin:0}.rule-toggle-icon{font-size:8px;color:var(--ink-3);margin-left:6px;flex-shrink:0}.rule-body{margin-top:12px;display:flex;flex-direction:column;gap:12px;max-height:60vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.rule-article{display:flex;flex-direction:column;gap:3px}.rule-article-heading{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);font-weight:600}.rule-article-body{font-family:var(--mono);font-size:10px;line-height:1.8;color:var(--ink-2)}.rules-list-new{font-family:var(--mono);font-size:10px;line-height:1.7;color:var(--ink-2);display:grid;grid-template-columns:auto 1fr;gap:4px 14px;margin:0;padding:0;list-style:none}.rules-list-new dt{color:var(--ink);letter-spacing:.12em;text-transform:uppercase;font-size:10px}.rules-list-new dd{margin:0;font-size:10px}.panel{background:#faf8f6;border:1px solid #e8e4df;border-radius:10px;padding:10px 12px;margin-bottom:8px;box-shadow:0 1px 3px #0000000a}.board-title{margin-top:0;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:400;color:#888;display:flex;align-items:baseline;gap:8px}.board-inner{position:relative;width:680px;height:680px;flex-shrink:0}.board-inner.board-inner-rotated{transform:rotate(180deg);transform-origin:center center}.board-inner.board-inner-rotated .pos-id,.board-inner.board-inner-rotated .gate-card-id{display:inline-block;transform:rotate(180deg);transform-origin:center center}.board-octagon-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:0}.board-octagon-outer{fill:#4a2e1a;stroke:#a89880;stroke-width:1}.board-octagon-inner{fill:#9a9a9a;stroke:#c4b49a;stroke-width:.5}.board-connection-svg{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible;z-index:1}.board-connection-line{stroke:#28180c66;stroke-width:1;stroke-dasharray:2 4}.position-grid{position:relative;width:369px;height:369px;flex-shrink:0}.position-btn{width:77px;height:77px;border-radius:10px;border:1px solid rgba(255,255,255,.35);background:#ffffff38;display:grid;align-items:center;justify-items:center;padding:0;transition:all .2s;position:relative;box-shadow:inset 2px 2px #0000002e}.position-btn:hover{border-color:#3c28168c}.owner-dot.last-opponent-move{box-shadow:0 0 0 3px #c8aa50bf,0 0 8px 2px #dcbe5073}.diamond-pip.last-opponent-move{border-color:#c8aa50e6;box-shadow:0 0 0 2px #dcbe508c,0 0 6px #dcbe5059}.position-btn.selected{border:1px solid #2a1a0a;background:#ffffff52;box-shadow:inset 2px 2px #0000002e,0 0 0 2px #e8d9a81f}.pos-id{position:absolute;top:6px;left:8px;font-family:var(--mono);font-size:9px;font-weight:400;letter-spacing:.12em;line-height:1;color:#5c5c5c}.position-btn.selected .pos-id{color:#5c5c5c}.pos-gates{font-size:.5rem;color:#888;letter-spacing:.02em;white-space:nowrap}.owner-dot{display:inline-block;width:45px;height:45px;border-radius:50%;border:3px solid transparent;justify-self:center;align-self:center}.owner-dot-black{background-color:#4a2c0e;background-image:repeating-linear-gradient(108deg,#0000,#0000 4px,#00000059 4px,#00000059 5px,#0000 5px,#0000 10px,#783c0a4d 10px,#783c0a4d 11px,#0000 11px,#0000 18px),radial-gradient(ellipse at 38% 30%,#7a4a1e,#4a2c0e 55%,#2e1808);border-color:#a0a8b0;box-shadow:3px 3px #0000008c}.owner-dot-white{background-color:#e8d8b8;background-image:repeating-linear-gradient(108deg,#fff0,#fff0 4px,#ffffff8c 4px,#ffffff8c 5px,#fff0 5px,#fff0 10px,#b48c5040 10px,#b48c5040 11px,#fff0 11px,#fff0 18px),radial-gradient(ellipse at 38% 30%,#f5e8cc,#e0c898 55%,#c8a870);border-color:#a0a8b0;box-shadow:3px 3px #00000073}.owner-dot-none{background:transparent;border:1px dashed rgba(60,40,22,.22)}.gates-related-hint{font-size:.65rem;text-transform:none;letter-spacing:0;color:var(--accent);font-weight:600}.gate-card{position:relative;border:none;border-radius:0;padding:2px;font-size:12px;text-align:center;background:transparent;box-sizing:border-box;flex-shrink:0;transition:opacity .15s,filter .15s,outline .1s;cursor:default;-moz-appearance:none;appearance:none;-webkit-appearance:none;outline:none}.gate-card:disabled{cursor:default}.gate-card-inactive{opacity:.28}.gate-card-selected{cursor:pointer}.gate-card-tutorial-hl{outline:2px solid rgba(255,180,0,.85);outline-offset:2px}.gate-card-tutorial-hl .gate-cluster{filter:drop-shadow(0 0 14px rgba(255,180,0,.95))}.position-btn-tutorial-hl{box-shadow:0 0 0 3px #ffb400e6,0 0 12px #ffb40099}.gate-card-id{position:absolute;font-weight:700;font-size:.62rem;color:#5c5c5c;opacity:1;line-height:1;pointer-events:none;z-index:10;white-space:nowrap}.gate-cluster{display:flex;align-items:center;justify-content:center}.gate-cluster-top-edge,.gate-cluster-bottom-edge{position:relative;flex-direction:row;align-items:center;justify-content:center;gap:0px;width:96px;height:96px;transform:scale(1.155);transform-origin:center}.gate-cluster-left-edge,.gate-cluster-right-edge{position:relative;flex-direction:column;align-items:center;justify-content:center;gap:0px;width:96px;height:96px;transform:scale(1.155);transform-origin:center}.gate-corner-tl,.gate-corner-tr,.gate-corner-bl,.gate-corner-br{position:absolute;display:flex;align-items:center;justify-content:center}.gate-corner-tl{top:2px;left:2px}.gate-corner-tr{top:2px;right:2px}.gate-corner-bl{bottom:2px;left:2px}.gate-corner-br{bottom:2px;right:2px}.gate-cluster-left-edge>div:nth-child(5),.gate-cluster-right-edge>div:nth-child(5){transform:translateY(3px)}.gate-cluster-left-edge>div:nth-child(7),.gate-cluster-right-edge>div:nth-child(7){transform:translateY(-3px)}.gate-cluster-top-edge>div:nth-child(5),.gate-cluster-bottom-edge>div:nth-child(5){transform:translate(3px)}.gate-cluster-top-edge>div:nth-child(7),.gate-cluster-bottom-edge>div:nth-child(7){transform:translate(-3px)}.gate-cluster-corner>div:nth-child(5){transform:translate(-2px)}.gate-cluster-corner>div:nth-child(7){transform:translate(2px)}.gate-col-1row-center{display:flex;flex-direction:column;align-items:center;justify-content:center}.gate-col-tb{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px}.gate-cluster-left-edge .gate-row-lr,.gate-cluster-right-edge .gate-row-lr{justify-content:center;gap:15px;width:auto}.gate-cluster-corner{position:relative;flex-direction:row;align-items:center;justify-content:center;gap:0px;width:96px;height:96px}.gate-cluster-corner-tl,.gate-cluster-corner-tr,.gate-cluster-corner-br,.gate-cluster-corner-bl{gap:4px}.gate-row-1col-center{display:flex;justify-content:center;gap:0}.gate-row-lr{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px;width:100%}.diamond-pip{display:inline-block;border:1px solid rgba(255,255,255,.38);background:repeating-linear-gradient(32deg,#0000,#0000 3px,#00000014 3px,#00000014 3.5px,#0000 3.5px,#0000 6px,#ffffff1f 6px,#ffffff1f 6.5px,#0000 6.5px,#0000 10px),#ffffff42;box-shadow:inset 2px 2px #00000038;transform:rotate(45deg);flex-shrink:0}.diamond-pip-size-large{width:35px;height:35px}.diamond-pip-size-middle{width:24px;height:24px}.diamond-pip-size-small{width:14px;height:14px}.gate-cluster-left-edge .diamond-pip-size-large,.gate-cluster-right-edge .diamond-pip-size-large{width:35px;height:35px}.gate-cluster-left-edge .diamond-pip-size-middle,.gate-cluster-right-edge .diamond-pip-size-middle{width:26px;height:26px}.gate-cluster-left-edge .diamond-pip-size-small,.gate-cluster-right-edge .diamond-pip-size-small{width:20px;height:20px}.gate-cluster-top-edge .diamond-pip-size-large,.gate-cluster-bottom-edge .diamond-pip-size-large{width:35px;height:35px}.gate-cluster-top-edge .diamond-pip-size-middle,.gate-cluster-bottom-edge .diamond-pip-size-middle{width:26px;height:26px}.gate-cluster-top-edge .diamond-pip-size-small,.gate-cluster-bottom-edge .diamond-pip-size-small{width:20px;height:20px}.gate-cluster-corner-tl .diamond-pip-size-large,.gate-cluster-corner-tr .diamond-pip-size-large,.gate-cluster-corner-br .diamond-pip-size-large,.gate-cluster-corner-bl .diamond-pip-size-large{width:35px;height:35px}.gate-cluster-corner-tl .gate-col-tb,.gate-cluster-corner-tr .gate-col-tb,.gate-cluster-corner-br .gate-col-tb,.gate-cluster-corner-bl .gate-col-tb{gap:16px}.gate-cluster-corner-tl .diamond-pip-size-middle,.gate-cluster-corner-tr .diamond-pip-size-middle,.gate-cluster-corner-br .diamond-pip-size-middle,.gate-cluster-corner-bl .diamond-pip-size-middle{width:26px;height:26px}.gate-cluster-corner-tl .diamond-pip-size-small,.gate-cluster-corner-tr .diamond-pip-size-small,.gate-cluster-corner-br .diamond-pip-size-small,.gate-cluster-corner-bl .diamond-pip-size-small{width:20px;height:20px}.gate-cluster-corner-tl{transform:rotate(135deg) scale(1.155);transform-origin:center}.gate-cluster-corner-tr{transform:rotate(-135deg) scale(1.155);transform-origin:center}.gate-cluster-corner-br{transform:rotate(-45deg) scale(1.155);transform-origin:center}.gate-cluster-corner-bl{transform:rotate(45deg) scale(1.155);transform-origin:center}.gate-cluster-corner-tl .diamond-pip{transform:rotate(-90deg)}.gate-cluster-corner-tr .diamond-pip{transform:rotate(180deg)}.gate-cluster-corner-br .diamond-pip{transform:rotate(90deg)}.gate-cluster-corner-bl .diamond-pip{transform:rotate(0)}.gate-cluster-corner .diamond-pip{transform:rotate(90deg);transform-origin:center}.diamond-pip-black,.diamond-pip-white{background:linear-gradient(135deg,#3b2208,#5a3210 35%,#4a2a0c 50%,#6b3d14 70%,#3e2408);border-color:#2a1a06;border-radius:20%;border-width:1.5px;box-shadow:inset 0 1px 2px #ffdc8c2e,inset 0 -1px 2px #00000059,0 1px 3px #0006}.diamond-pip-cap{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;overflow:visible}.diamond-pip-none{background:#e0dbd5;border-color:#bbb}.diamond-pip.pocket-clickable{cursor:pointer;border-color:#4a90e299;box-shadow:0 0 0 2px #4a90e28c,0 0 7px 1px #4a90e240}.diamond-pip.pocket-clickable:hover{border-color:#4a90e2d9;box-shadow:0 0 0 3px #4a90e2bf,0 0 10px 2px #4a90e266}.diamond-pip.pocket-selected{cursor:pointer;border-color:#7b5ea7d9;box-shadow:0 0 0 3px #7b5ea7a6,0 0 9px 2px #7b5ea759}.diamond-pip.pocket-selected:hover{box-shadow:0 0 0 4px #7b5ea7cc,0 0 12px 3px #7b5ea773}.diamond-pip.pocket-disabled{cursor:default;opacity:.55}.turn-info-panel{background:transparent;border:none;border-top:1px solid #e4e0da;border-bottom:1px solid #e4e0da;border-radius:0;box-shadow:none;padding:8px 12px 6px;margin-bottom:10px}.turn-info-row1{display:flex;align-items:center;gap:6px;margin-bottom:4px}.turn-info-name{text-transform:capitalize;font-size:.92rem;font-weight:600;color:#1a1a2e}.turn-info-move-sep{color:#ccc;font-weight:300;font-size:.8rem}.turn-info-move{color:#aaa;font-size:.78rem;font-weight:300}.turn-info-row2{display:flex;align-items:center;gap:6px;margin-bottom:2px}.turn-info-phase-hint{font-size:.78rem;color:#888}.turn-info-pos-tag{font-size:.75rem;color:#aaa}.turn-info-mode{font-size:.65rem;color:#bbb;letter-spacing:.02em}.turn-info-panel .control-group{margin-top:6px}.turn-info-player{display:flex;align-items:center;gap:6px;margin-bottom:4px;justify-content:center}.player-chip{display:inline-block;width:22px;height:22px;border-radius:50%;border:2px solid transparent}.player-chip-black{background-color:#4a2c0e;background-image:repeating-linear-gradient(108deg,#0000,#0000 4px,#00000059 4px,#00000059 5px,#0000 5px,#0000 10px,#783c0a4d 10px,#783c0a4d 11px,#0000 11px,#0000 18px),radial-gradient(ellipse at 38% 30%,#7a4a1e,#4a2c0e 55%,#2e1808);border-color:#a0a8b0;box-shadow:0 0 0 1px #c8d0d8,inset 0 1px 3px #ffffff1f}.player-chip-white{background-color:#e8d8b8;background-image:repeating-linear-gradient(108deg,#fff0,#fff0 4px,#ffffff8c 4px,#ffffff8c 5px,#fff0 5px,#fff0 10px,#b48c5040 10px,#b48c5040 11px,#fff0 11px,#fff0 18px),radial-gradient(ellipse at 38% 30%,#f5e8cc,#e0c898 55%,#c8a870);border-color:#a0a8b0;box-shadow:0 0 0 1px #c8d0d8,inset 0 1px 3px #ffffff80,0 1px 2px #00000026}.turn-info-phase{display:flex;align-items:center;gap:6px;margin-bottom:2px;justify-content:center}.phase-badge{display:inline-block;font-size:.62rem;font-weight:400;text-transform:uppercase;letter-spacing:.04em;padding:1px 6px;border-radius:3px;min-width:56px;text-align:center}.phase-badge-select-position{background:#eef3ee;color:#4a7a5a;border:1px solid #c8d8c8}.phase-badge-select-build{background:#edf0f7;color:#4a6090;border:1px solid #c0ccde}.phase-badge-finished{background:#f2f0ed;color:#999;border:1px solid #d8d4ce}.phase-hint{font-size:.82rem;color:#888;opacity:.85}.control-group{margin-top:8px}.control-group button{padding:5px 12px;border-radius:6px;border:1px solid #bbb;background:#fff;font-size:.85rem}.control-group button:disabled{opacity:.4;cursor:not-allowed}.build-controls-title{margin-top:0;font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:400;color:#888}.build-hint{color:#aaa;font-size:.75rem;margin:0 0 4px}.build-type-skip{border-left:2px solid #d8d4ce;padding-left:8px;margin-top:8px}.build-btn{padding:5px 12px;border-radius:6px;border:1px solid #bbb;background:#fff;font-size:.85rem;cursor:pointer}.build-btn:disabled{opacity:.4;cursor:not-allowed}.build-btn-confirm{border-color:var(--accent);color:var(--accent);font-weight:600}.build-btn-confirm:hover{background:#eef4ff}.build-btn-skip{border-color:#aaa;color:#666}.build-btn-skip:hover:not(:disabled){background:#f5f5f5}.build-skip-hint{font-size:.75rem;color:#e06c26;margin-left:8px}.collapsible-panel{background:transparent!important;border:none!important;border-bottom:1px solid #e4e0da!important;border-radius:0!important;box-shadow:none!important;padding:0!important;margin-bottom:0!important;overflow:hidden}.collapsible-panel:first-of-type{border-top:1px solid #e4e0da!important}.collapsible-toggle{display:flex;align-items:center;gap:8px;width:100%;background:none;border:none;padding:8px 12px;cursor:pointer;text-align:left;min-height:34px;box-sizing:border-box}.collapsible-toggle:hover{background:#00000005}.collapsible-arrow{font-size:.55rem;color:#c0bbb4;flex-shrink:0;width:10px;text-align:center}.collapsible-label{font-size:.68rem;font-weight:400;text-transform:uppercase;letter-spacing:.08em;color:#888;flex:1}.collapsible-count{font-size:.62rem;color:#c0bbb4;margin-left:auto;min-width:16px;text-align:right}ol{padding-left:20px}.move-history-header{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:4px}.move-history-header h2{margin:0;font-size:.62rem;text-transform:uppercase;letter-spacing:.06em;color:#bbb;font-weight:400}.collapsible-panel .move-history-list{padding:4px 12px 8px;background:transparent}.btn-copy-record{font-size:10px;padding:2px 6px;border:1px solid #d8d4ce;border-radius:3px;background:transparent;color:#bbb;cursor:pointer;white-space:nowrap;margin-left:auto}.btn-copy-record:disabled{opacity:.4;cursor:default}.btn-copy-record:not(:disabled):hover{background:#e8e4e0}.move-history-list{list-style:none;padding:0;margin:0;max-height:200px;overflow-y:auto}.move-entry{display:flex;align-items:center;justify-content:center;gap:4px;padding:2px 6px;border-bottom:1px solid #f0ece6;font-size:.8rem;color:#666;border-radius:4px}.move-entry:last-child{border-bottom:none}.move-entry-latest{background:#eef4fd;color:#1a1a2e;font-weight:600}.move-entry-skip{color:#999}.move-skip-label{font-style:italic;color:#aaa}.move-player-dot{display:inline-block;width:8px;height:8px;border-radius:50%;flex-shrink:0}.move-player-dot-black{background:#1a1a2e}.move-player-dot-white{background:var(--white-color);border:1px solid #555;box-shadow:0 1px 3px #0003}.move-number{color:#bbb;font-size:.78rem;min-width:20px}.move-pos{font-weight:700;color:#333;min-width:14px}.move-sep{color:#ccc}.move-build{font-size:.8rem}.move-build-massive{color:#c45a15}.move-build-selective{color:#2a70c2}.move-build-quad{color:#5a3e87}.how-to-play-panel{text-align:left}.how-to-play-content{padding:4px 12px 10px;border-top:none;display:flex;flex-direction:column;align-items:flex-start;background:transparent}.htp-list{margin:0;padding:0;display:grid;grid-template-columns:auto 1fr;gap:6px 12px;font-size:.82rem;text-align:left;width:100%;max-width:420px}.htp-list dt{font-weight:700;color:#444;padding-top:2px;white-space:nowrap}.htp-list dd{margin:0;color:#555;line-height:1.55}.htp-build{display:inline-block;font-size:.72rem;font-weight:700;padding:1px 6px;border-radius:3px;margin-right:2px}.htp-build-large{background:#fde8d8;color:#c45a15}.htp-build-middle{background:#deeafc;color:#2a5cbf}.htp-build-small{background:#ede8f7;color:#5a3e87}@media (max-width: 600px){.how-to-play-toggle{padding:10px 12px;font-size:.85rem}.how-to-play-content{padding:4px 12px 12px}.htp-list{font-size:.8rem;gap:5px 10px}}.result-modal{position:fixed;top:0;right:0;bottom:0;left:0;background:#14141a73;display:flex;align-items:center;justify-content:center;z-index:300}.result-card{background:#fff;border:1px solid var(--rule-strong);padding:44px 52px;max-width:440px;width:90%;text-align:center}.result-eyebrow{font-family:var(--mono);font-size:10px;letter-spacing:.32em;text-transform:uppercase;color:var(--ink-3);margin-bottom:12px}.result-title{font-family:var(--display);font-size:36px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;line-height:1;margin-bottom:16px;color:var(--ink)}.result-sub{font-size:14px;color:var(--ink-2);line-height:1.6;margin-bottom:24px}.result-actions{display:flex;gap:8px;justify-content:center}.result-btn{font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;padding:10px 16px;border:1px solid var(--rule-strong);color:var(--ink);background:#fff;cursor:pointer;transition:all .15s}.result-btn:hover:not(:disabled){border-color:var(--ink);background:var(--ink);color:#fff}.result-btn:disabled{color:var(--ink-4);border-color:var(--rule);cursor:not-allowed}.result-btn-primary{background:var(--ink);color:#fff;border-color:var(--ink)}.result-btn-primary:hover:not(:disabled){background:#fff;color:var(--ink)}.cpu-thinking-banner{background:var(--ink);color:#fff;text-align:center;padding:8px 0;font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase}.game-mode-label{font-size:.72rem;color:#aaa;text-align:center;margin-top:0;margin-bottom:4px;letter-spacing:.04em;font-weight:300}@media (max-width: 960px){.layout{grid-template-columns:1fr}.panel-col{border-left:none;border-top:1px solid var(--rule)}}@media (max-width: 640px){.online-timer-bar{padding:8px 16px;gap:8px}.online-timer-per-move{padding:8px 16px}.online-timer-per-move-value{font-size:20px}.online-timer-value{font-size:16px}.online-timer-player-inactive .online-timer-value{font-size:14px}}@media (max-width: 640px){.topbar{padding:12px 14px;grid-template-columns:auto 1fr auto;gap:8px}.topbar-row1{padding:10px 14px 6px}.topbar-row2{padding:0 8px}.wordmark{font-size:14px}.top-btn{padding:6px 8px;font-size:9px}.meta-center{font-size:9px}.board-stage{padding:18px 8px}}@media (max-width: 600px){.board-section{padding:4px 0;overflow:hidden;min-width:0;border:none;border-radius:0}.board-inner-scaler{overflow:hidden;max-width:100%;margin:0;min-width:0}.board-inner{transform-origin:top left;transform:scale(var(--board-scale, .5));display:block}.position-btn{min-width:44px;min-height:44px}}.import-record-panel{margin-top:0;text-align:left;background:transparent}.import-record-body{margin-top:0;padding:0 12px 10px;display:flex;flex-direction:column;align-items:center;gap:6px;background:transparent}.import-record-textarea{width:100%;max-width:400px;box-sizing:border-box;background:#1a1a1a;color:#ccc;border:1px solid #444;border-radius:4px;padding:8px;font-family:monospace;font-size:.8rem;resize:vertical;min-height:100px}.import-record-textarea::placeholder{color:#555}.import-record-textarea:focus{outline:1px solid #888}.import-record-error{color:#f66;font-size:.78rem;margin:0;word-break:break-word}.import-record-success{color:#6d6;font-size:.78rem;margin:0}.btn-import-record{align-self:center;background:#333;color:#ccc;border:1px solid #555;border-radius:4px;padding:6px 14px;font-size:.8rem;cursor:pointer}.btn-import-record:hover:not(:disabled){background:#444}.btn-import-record:disabled{opacity:.4;cursor:default}.dbg-gate-border{position:absolute;top:0;right:0;bottom:0;left:0;width:96px;height:96px;box-sizing:border-box;pointer-events:none;z-index:10}.dbg-gate-border-corner{border:2px dashed rgba(255,140,0,.85)}.dbg-gate-border-edge{border:2px dashed rgba(0,200,255,.85)}.dbg-gate-center{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:6px;height:6px;border-radius:50%;background:#ffe600e6}.analytics-panel{margin-top:8px}.analytics-toggle{background:none;border:none;color:var(--text-secondary, #888);font-size:.78rem;cursor:pointer;padding:2px 0;text-align:left;width:100%}.analytics-toggle:hover{color:var(--text-primary, #ccc)}.analytics-body{margin-top:6px;font-size:.76rem;color:#bbb}.analytics-empty{color:#666;margin:4px 0}.analytics-total{margin:0 0 6px;color:#aaa}.analytics-section-title{font-size:.72rem;color:#888;margin:8px 0 2px;font-weight:400;text-transform:uppercase;letter-spacing:.03em}.analytics-table{width:100%;border-collapse:collapse;font-size:.74rem}.analytics-table th,.analytics-table td{text-align:left;padding:2px 4px;border-bottom:1px solid #2a2a2a}.analytics-table th{color:#666;font-weight:400}.analytics-table td{color:#bbb}.board-section{position:relative;background:transparent;border:none;padding:0;margin:0}.labels-hidden .pos-id,.labels-hidden .gate-card-id{visibility:hidden}.board-label-toggle{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:8px;padding:4px 12px;font-family:var(--mono);font-size:.65rem;font-weight:600;letter-spacing:.08em;color:#555;background:#0000000f;border:1px solid rgba(0,0,0,.15);border-radius:4px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background .15s,color .15s}.board-label-toggle:hover{background:#0000001f;color:#222}.board-label-toggle.labels-off{color:#aaa;background:#00000008;border-color:#00000014}.board-label-toggle-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#444;transition:background .15s}.board-label-toggle.labels-off .board-label-toggle-dot{background:#ccc}.board-label-toggle-wrap{display:flex;justify-content:center;gap:8px;margin-top:6px}.board-ghost-toggle.ghost-on{color:#3a6bc8;background:#6495ed1f;border-color:#6495ed66}.board-ghost-toggle.ghost-on .board-label-toggle-dot{background:#3a6bc8}.board-ghost-toggle.ghost-off{color:#aaa;background:#00000008;border-color:#00000014}.board-ghost-toggle.ghost-off .board-label-toggle-dot{background:#ccc}.board-ghost-toggle.ghost-pro-locked{color:#888;background:#0000000a;border-color:#0000001a;cursor:pointer}.board-ghost-toggle.ghost-pro-locked:hover{background:#00000017;color:#555}.ghost-pro-badge{display:inline-flex;align-items:center;padding:1px 5px;font-size:.55rem;font-weight:700;letter-spacing:.06em;color:#fff;background:#3a6bc8;border-radius:3px;margin-left:4px;vertical-align:middle;line-height:1.4}.ghost-pro-notice{margin:8px auto 0;max-width:320px;padding:12px 16px;background:#3a6bc812;border:1px solid rgba(58,107,200,.25);border-radius:6px;text-align:center}.ghost-pro-notice-title{font-family:var(--mono);font-size:.7rem;font-weight:700;color:#3a6bc8;margin-bottom:6px;letter-spacing:.06em}.ghost-pro-notice-text{font-size:.72rem;color:#555;line-height:1.5;margin-bottom:10px}.ghost-pro-notice-cta{display:inline-block;padding:5px 14px;font-size:.7rem;font-weight:600;color:#fff;background:#3a6bc8;border-radius:4px;text-decoration:none;transition:background .15s}.ghost-pro-notice-cta:hover{background:#2d55a8}.position-btn-ghost{border-color:#6495ed59}.position-btn-no-legal-move{cursor:not-allowed}.position-btn-no-legal-move:hover{border-color:transparent}.stage-label{position:absolute;font-family:var(--mono);font-size:9px;letter-spacing:.22em;text-transform:uppercase;color:var(--ink-4);pointer-events:none}.stage-label.bl{bottom:8px;left:8px}.stage-label.br{bottom:8px;right:8px}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#14141a4d;opacity:0;pointer-events:none;transition:opacity .2s;z-index:99}.backdrop.open{opacity:1;pointer-events:auto}.drawer{position:fixed;top:0;right:0;bottom:0;width:360px;max-width:90vw;background:#fff;border-left:1px solid var(--rule);transform:translate(100%);transition:transform .25s ease;z-index:100;overflow-y:auto}.drawer.open{transform:translate(0)}.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:22px 24px;border-bottom:1px solid var(--rule);position:sticky;top:0;background:#fff}.drawer-title{font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink)}.drawer-close{font-family:var(--mono);font-size:14px;color:var(--ink-2);padding:4px 8px;background:none;border:none;cursor:pointer}.drawer-body{padding:22px 24px}@media (max-width: 600px){.board-section{padding:4px 0;overflow:hidden;min-width:0}}.mode-modal{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;z-index:310}.mode-modal-card{background:#fff;border:1px solid var(--rule-strong);padding:44px 52px;max-width:400px;width:90%;text-align:center}.mode-modal-title{font-family:var(--display);font-size:28px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;line-height:1;margin-bottom:28px;color:var(--ink)}.mode-modal-actions{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}.mode-modal-cancel{font-family:var(--mono);font-size:9px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);background:none;border:none;cursor:pointer;padding:4px 0}.mode-modal-cancel:hover{color:var(--ink-2)}.cpu-settings-group{margin-bottom:16px;width:100%}.cpu-settings-label{font-family:var(--mono);font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);margin-bottom:8px}.cpu-settings-row{display:flex;gap:6px;flex-wrap:wrap}.cpu-settings-btn{font-family:var(--mono);font-size:11px;letter-spacing:.05em;padding:6px 12px;border:1px solid var(--ink-4);border-radius:4px;background:none;color:var(--ink-2);cursor:pointer;transition:background .15s,color .15s,border-color .15s}.cpu-settings-btn:hover{border-color:var(--ink-2);color:var(--ink-1)}.cpu-settings-btn.active{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:700}.screen-wrapper{min-height:100vh;width:100%;background:#fff;background-image:radial-gradient(ellipse at 20% 10%,rgba(0,0,0,.006) 0%,transparent 60%),radial-gradient(ellipse at 85% 90%,rgba(0,0,0,.006) 0%,transparent 60%),url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' seed='4'/><feColorMatrix values='0 0 0 0 0   0 0 0 0 0   0 0 0 0 0   0 0 0 0.035 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");background-attachment:fixed;transition:opacity .3s ease}.screen-out{opacity:0;pointer-events:none}.title-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;cursor:pointer;-webkit-user-select:none;user-select:none}.title-logo{display:flex;flex-direction:column;align-items:center;gap:16px}.title-wordmark{font-family:var(--display);font-size:clamp(48px,10vw,96px);font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);line-height:1}.title-sub{font-family:var(--mono);font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--ink-3)}.title-lang-switcher{display:flex;gap:8px;margin-top:28px}.title-lang-btn{padding:6px 20px;font-family:var(--sans);font-size:13px;font-weight:500;border:1px solid var(--ink-4);border-radius:20px;background:transparent;color:var(--ink-3);cursor:pointer;transition:all .15s}.title-lang-btn.active{background:var(--ink);color:#fff;border-color:var(--ink)}.title-lang-btn:not(.active):hover{border-color:var(--ink-2);color:var(--ink-2)}.title-version{position:absolute;bottom:32px;left:50%;transform:translate(-50%);font-family:var(--mono);font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ink-4);white-space:nowrap}.title-hint{position:absolute;bottom:72px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:6px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);white-space:nowrap;animation:hint-bounce 2s ease-in-out infinite}.title-hint-icon{font-size:16px}@keyframes hint-bounce{0%,to{transform:translate(-50%) translateY(0)}50%{transform:translate(-50%) translateY(6px)}}.site-footer{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;padding:20px 32px;border-top:1px solid var(--rule);margin-top:8px}.site-footer a{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-4);text-decoration:none}.site-footer a:hover{color:var(--ink-2)}.tutorial-screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:0;position:relative;overflow:hidden}.tut-progress-bar{width:100%;height:2px;background:var(--rule);position:absolute;top:0;left:0}.tut-progress-fill{height:100%;background:var(--ink);transition:width .4s ease}.tut-skip{position:absolute;top:20px;right:24px;font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--ink-3);background:none;border:none;cursor:pointer;z-index:10}.tut-skip:hover{color:var(--ink)}.tut-board-area{flex:1;display:flex;align-items:center;justify-content:center;width:100%;padding:48px 0 0;min-height:0;overflow:hidden}.tut-board-area .board-section{width:100%;display:flex;align-items:center;justify-content:center}.tut-pos-grid{display:grid;grid-template-columns:repeat(3,64px);grid-template-rows:repeat(5,64px);gap:6px}.tut-pos{width:64px;height:64px;border:1px solid rgba(255,255,255,.35);background:#ffffff38;box-shadow:inset 2px 2px #0000002e;border-radius:8px;display:flex;align-items:center;justify-content:center;position:relative;transition:all .4s ease}.tut-pos-empty{width:64px;height:64px}.tut-pos-id{position:absolute;top:4px;left:6px;font-family:var(--mono);font-size:8px;letter-spacing:.1em;color:#ffffff4d}.tut-pos-hl{border-color:#e8d9a899;box-shadow:inset 2px 2px #0000002e,0 0 0 2px #e8d9a84d}.tut-pos-black{border-color:#3c281699}.tut-pos-white{border-color:#e8d9a880}.tut-pos-captured{animation:capture-flash .5s ease}@keyframes capture-flash{0%{background:#c9a24a66}to{background:#ffffff38}}.tut-dot{width:36px;height:36px;border-radius:50%;display:block}.tut-dot-black{background:radial-gradient(ellipse at 38% 30%,#7a4a1e,#4a2c0e 55%,#2e1808);box-shadow:3px 3px #0000008c}.tut-dot-white{background:radial-gradient(ellipse at 38% 30%,#f5e8cc,#e0c898 55%,#c8a870);box-shadow:3px 3px #00000073}.tut-gates{display:grid;grid-template-columns:repeat(3,36px);gap:6px}.tut-gate{width:36px;height:36px;border:1px solid rgba(255,255,255,.2);background:#ffffff14;border-radius:4px;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:9px;color:#ffffff4d;transition:all .4s ease}.tut-gate-hl{border-color:#6a5b8acc;background:#6a5b8a33;color:#6a5b8a;box-shadow:0 0 8px #6a5b8a66}.tut-caption{padding:32px 32px 16px;text-align:center;transition:opacity .4s ease}.tut-caption-fade{opacity:0}.tut-caption-title{font-family:var(--display);font-size:clamp(20px,5vw,28px);font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink);margin-bottom:10px;line-height:1.1}.tut-caption-sub{font-family:var(--sans);font-size:14px;color:var(--ink-2);line-height:1.6;max-width:360px;margin:0 auto}.tut-start-btn{display:inline-block;margin-top:20px;padding:12px 32px;background:var(--ink);color:#fff;font-family:var(--display);font-size:15px;font-weight:700;letter-spacing:.06em;border:none;border-radius:8px;cursor:pointer;transition:opacity .15s}.tut-start-btn:hover{opacity:.82}.tut-dots{display:flex;gap:6px;padding-bottom:32px}.tut-dot-nav{width:6px;height:6px;border-radius:50%;background:var(--rule-strong);transition:background .3s}.tut-dot-nav.active{background:var(--ink)}.tut-dot-nav.done{background:var(--ink-3)}.tut-click-prev,.tut-click-next{position:absolute;top:50%;transform:translateY(-50%);font-size:28px;color:var(--ink-4);pointer-events:none;z-index:5;transition:opacity .2s}.tut-click-prev{left:12px}.tut-click-next{right:12px}.tutorial-screen:hover .tut-click-prev,.tutorial-screen:hover .tut-click-next{color:var(--ink-3)}@keyframes spin{to{transform:rotate(360deg)}}.om-root{display:flex;flex-direction:column;gap:.75rem}.om-loading{font-size:.82rem;color:#aaa;text-align:center;padding:1.5rem 0}.om-error{display:flex;align-items:center;gap:.75rem;font-size:.82rem;color:#c62828;padding:.5rem 0}.om-retry-btn{font-size:.72rem;padding:3px 10px;border:1px solid #c62828;border-radius:4px;background:none;color:#c62828;cursor:pointer}.om-empty{font-size:.82rem;color:#aaa;text-align:center;padding:1rem 0}.om-section-title{font-size:.72rem;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:#555;margin-top:.25rem}.om-section-title-muted{color:#aaa}.om-mini-cal{background:#fafafa;border:1px solid #ebebeb;border-radius:10px;padding:.75rem;-webkit-user-select:none;user-select:none}.om-mini-cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:.5rem}.om-mini-cal-nav-btn{background:none;border:none;cursor:pointer;font-size:1.1rem;color:#555;padding:0 .35rem;line-height:1;border-radius:4px;transition:background .15s}.om-mini-cal-nav-btn:hover{background:#efefef}.om-mini-cal-header{font-size:.8rem;font-weight:700;color:#333;text-align:center;letter-spacing:.03em;flex:1}.om-mini-cal-today-row{text-align:center;margin-bottom:.35rem}.om-mini-cal-today-btn{background:none;border:1px solid #ccc;border-radius:4px;font-size:.68rem;color:#555;cursor:pointer;padding:1px 8px;transition:background .15s}.om-mini-cal-today-btn:hover{background:#efefef}.om-mini-cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2px}.om-mini-cal-dow{font-size:.62rem;font-weight:700;color:#bbb;text-align:center;padding:2px 0 4px;text-transform:uppercase}.om-mini-cal-day{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;aspect-ratio:1;min-width:0;font-size:.78rem;color:#333;border-radius:6px;border:none;background:none;cursor:pointer;transition:background .15s;padding:0;gap:1px}.om-mini-cal-day:hover{background:#efefef}.om-mini-cal-today{font-weight:800;color:#111}.om-mini-cal-today:after{content:"";display:block;width:3px;height:3px;border-radius:50%;background:#111;position:absolute;bottom:3px;left:50%;transform:translate(-50%)}.om-mini-cal-has-match .om-mini-cal-dot{display:block}.om-mini-cal-dot{display:none;width:4px;height:4px;border-radius:50%;background:#3a7bd5;margin-top:1px;flex-shrink:0}.om-mini-cal-selected{background:#111!important;color:#fff!important}.om-mini-cal-selected .om-mini-cal-dot{background:#7fb3ff}.om-mini-cal-clear{display:block;width:100%;margin-top:.5rem;font-size:.7rem;color:#888;text-align:center;background:none;border:none;cursor:pointer;padding:2px 0;text-decoration:underline}.om-cards{display:flex;flex-direction:column;gap:.5rem}.om-card{background:#fff;border:1px solid #e8e8e8;border-radius:10px;padding:.75rem .85rem;display:flex;flex-direction:column;gap:.45rem;transition:box-shadow .15s}.om-card:hover{box-shadow:0 2px 8px #00000012}.om-card-live{border-left:3px solid #2e7d32}.om-card-joinable{border-left:3px solid #1565c0}.om-card-completed{opacity:.75}.om-card-cancelled,.om-card-forfeited{opacity:.6}.om-card-header{display:flex;align-items:center;justify-content:space-between;gap:.5rem}.om-card-datetime{display:flex;align-items:baseline;gap:.4rem;flex-wrap:wrap}.om-card-date{font-size:.8rem;font-weight:700;color:#222}.om-card-time{font-size:.75rem;color:#888;font-variant-numeric:tabular-nums}.om-card-body{display:flex;flex-direction:column;gap:.2rem}.om-card-opponent{display:flex;align-items:center;gap:.35rem}.om-card-label{font-size:.68rem;color:#aaa;font-weight:600;text-transform:uppercase}.om-card-opponent-name{font-size:.92rem;font-weight:700;color:#111}.om-card-meta{display:flex;align-items:center;flex-wrap:wrap;gap:.3rem;font-size:.72rem;color:#777}.om-card-dot{color:#ccc}.om-card-color{font-size:.72rem;color:#555}.om-card-tc{font-size:.72rem;color:#888;font-variant-numeric:tabular-nums}.om-card-countdown{font-size:.7rem;color:#1565c0;font-weight:600;font-variant-numeric:tabular-nums}.om-card-footer{display:flex;align-items:center;flex-wrap:wrap;gap:.4rem;margin-top:.1rem}.om-enter-btn{padding:.35rem .9rem;background:#111;color:#fff;border:none;border-radius:6px;font-size:.78rem;font-weight:600;cursor:pointer;letter-spacing:.03em;transition:background .15s,opacity .15s}.om-enter-btn:hover:not(.om-enter-btn-disabled){background:#333}.om-enter-btn-disabled{background:#e0e0e0!important;color:#aaa!important;cursor:not-allowed!important}.om-enter-note{font-size:.68rem;color:#aaa}.om-enter-error{font-size:.7rem;color:#c62828;width:100%}.om-badge{display:inline-block;font-size:.62rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:2px 7px;border-radius:4px;white-space:nowrap;flex-shrink:0}.om-badge-scheduled{background:#f0f0f0;color:#666}.om-badge-joinable{background:#e3eeff;color:#1565c0}.om-badge-live{background:#e6f4ea;color:#2e7d32}.om-badge-completed{background:#f5f5f5;color:#777}.om-badge-cancelled{background:#f0f0f0;color:#757575}.om-badge-forfeited{background:#fff3e0;color:#e65100}.om-badge-no-contest{background:#f0f0f0;color:#757575}.om-card-result{font-size:.8rem;font-weight:700;letter-spacing:.01em}.om-result-win{color:#2e7d32;font-size:.8rem;font-weight:700;letter-spacing:.01em}.om-result-loss{color:#c62828;font-size:.8rem;font-weight:700;letter-spacing:.01em}.om-result-draw{color:#6d4c41;font-size:.8rem;font-weight:600;letter-spacing:.01em}.om-result-neutral{color:#999;font-size:.8rem;font-weight:500;letter-spacing:.01em}@media (max-width: 480px){.om-mini-cal{padding:.6rem}.om-mini-cal-day{font-size:.7rem;border-radius:5px}.om-card{padding:.65rem .7rem}.om-card-opponent-name{font-size:.85rem}.om-enter-btn{font-size:.73rem;padding:.3rem .75rem}}.print-only{display:none}@media print{.no-print{display:none!important}.print-only{display:block!important}body{background:#fff!important;margin:0;padding:0}}.turn-guide-label-diagram{margin-top:10px;display:flex;justify-content:flex-start}.turn-guide-label-diagram img{width:min(58vw,260px);max-width:100%;height:auto;display:block}.turn-guide-label-caption{margin:6px 0 0;max-width:420px;color:#19191f9e;font-size:11px;line-height:1.55;letter-spacing:.04em}.splash-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;overflow:hidden;cursor:pointer;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;outline:none}.splash-root.splash-fading{pointer-events:none}.splash-bg{position:absolute;top:-3%;right:-3%;bottom:-3%;left:-3%;background-image:url(/title-bg.jpg);background-size:cover;background-position:center center;animation:splashZoom 12s ease-out forwards;transition:transform .65s ease-out}.splash-bg.splash-bg-fading{animation-play-state:paused;transform:scale(1)}@keyframes splashZoom{0%{transform:scale(1)}to{transform:scale(1.03)}}.splash-fade-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:#000000f2;opacity:0;pointer-events:none;transition:opacity .6s ease;z-index:10}.splash-fade-overlay.splash-fade-overlay-active{opacity:1}.splash-overlay{position:absolute;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 70% 40% at 50% 50%,#0000009e,#0000),linear-gradient(to bottom,#0003,#0000001a 35%,#0000008c 80%,#000000b8);pointer-events:none}.splash-copy{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:0 2rem;pointer-events:none;transition:opacity .5s ease,transform .5s ease;z-index:5}.splash-copy.splash-copy-fading{opacity:0;transform:translateY(-20px)}.splash-tagline{font-family:Archivo,Inter,system-ui,sans-serif;font-size:clamp(1.4rem,5.5vw,2.4rem);font-weight:700;letter-spacing:.03em;color:#fff;text-shadow:0 2px 24px rgba(0,0,0,.6);margin:0;text-align:center;line-height:1.3;animation:splashFadeUp 1.4s ease forwards;animation-delay:.6s;opacity:0}.splash-hint{position:absolute;bottom:2.8rem;left:50%;transform:translate(-50%);font-size:.65rem;font-family:Archivo,Inter,system-ui,sans-serif;letter-spacing:.18em;text-transform:uppercase;color:#ffffff61;pointer-events:none;white-space:nowrap;animation:splashFadeUp 1.4s ease forwards;animation-delay:2.2s;opacity:0}@keyframes splashFadeUp{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.splash-hint{animation:splashFadeUpHint 1.4s ease forwards;animation-delay:2.2s;transition:opacity .4s ease,transform .4s ease;z-index:5}.splash-hint.splash-hint-fading{opacity:0!important;transform:translate(-50%) translateY(-16px)!important}@keyframes splashFadeUpHint{0%{opacity:0;transform:translate(-50%) translateY(10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}