:root{--wood-dark: #2C1810;--wood-medium: #5C3D2E;--wood-light: #E8D5B8;--wood-lighter: #5C3D2E;--wood-border: #A08060;--wood-deep: #1A0E08;--text-dark: #1A0E08;--text-medium: #3D2818;--text-light: #E8D5B8;--text-muted: #7A6555;--accent: #8B2500;--accent-hover: #6B1C00;--input-bg: #E2CBA8;--input-border: #B89870;--selected-bg: #C0986A;--divider: #B89B72;--hairline: rgba(0, 0, 0, .18);--hairline-light: rgba(255, 255, 255, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:"Noto Serif",serif;min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--wood-dark);background-image:repeating-linear-gradient(87deg,transparent,transparent 1px,rgba(0,0,0,.1) 1px,rgba(0,0,0,.1) 2px),repeating-linear-gradient(93deg,transparent,transparent 4px,rgba(255,255,255,.015) 4px,rgba(255,255,255,.015) 6px),repeating-linear-gradient(88deg,transparent,transparent 10px,rgba(0,0,0,.06) 10px,rgba(0,0,0,.06) 16px);padding:clamp(8px,3vw,20px);color:var(--text-dark)}body.game-page{align-items:stretch;padding:0}a{color:var(--accent);text-decoration:none;font-weight:700}a:hover{color:var(--accent-hover);text-decoration:underline}.lobby-card{width:100%;max-width:640px;margin:0 auto;background-color:var(--wood-light);background-image:repeating-linear-gradient(89deg,transparent,transparent 2px,rgba(0,0,0,.035) 2px,rgba(0,0,0,.035) 3px),repeating-linear-gradient(91deg,transparent,transparent 6px,rgba(255,255,255,.04) 6px,rgba(255,255,255,.04) 9px);border:1px solid var(--hairline);padding:clamp(20px,5vw,40px) clamp(16px,5vw,36px)}.lobby-card.wide{max-width:1060px}.lobby-title{font-size:44px;font-weight:900;color:var(--text-dark);text-align:center;letter-spacing:10px;margin-bottom:2px}.lobby-subtitle{font-size:17px;font-weight:400;color:var(--text-medium);text-align:center;margin-bottom:30px;letter-spacing:3px}.section{margin-bottom:26px}.section:last-child{margin-bottom:0}.section-label{font-size:14px;font-weight:700;color:var(--text-medium);text-transform:uppercase;letter-spacing:3px;margin-bottom:14px;display:flex;align-items:center;gap:12px}.section-label:before,.section-label:after{content:"";flex:1;height:1px;background:var(--divider)}.toggle-group{display:flex;border:1px solid var(--hairline)}.toggle-btn{flex:1;padding:14px 16px;font-family:"Noto Serif",serif;font-size:16px;font-weight:700;color:var(--text-medium);background:var(--input-bg);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background .15s,color .15s}.toggle-btn+.toggle-btn{border-left:1px solid var(--hairline)}.toggle-btn.active{background:var(--selected-bg);color:var(--text-dark)}.toggle-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.toggle-btn i{font-size:17px}.room-code-wrapper{margin-top:14px;display:none}.room-code-wrapper.visible{display:block}.room-code-label{font-size:14px;font-weight:700;color:var(--text-medium);margin-bottom:8px;letter-spacing:1px}.room-code-row{display:flex;align-items:center;gap:10px}.room-code-input{flex:1;padding:13px 14px;font-family:"Noto Serif",serif;font-size:14px;font-weight:900;letter-spacing:1px;color:var(--text-dark);background:var(--input-bg);border:1px solid var(--hairline);text-align:center;overflow:hidden;text-overflow:ellipsis}.room-code-input.big{font-size:20px;letter-spacing:6px;text-transform:uppercase}.room-code-input:focus{outline:none;border-color:var(--wood-medium)}.room-code-hint{margin-top:6px;font-size:12px;color:var(--text-medium);text-align:center;letter-spacing:.3px}.game-not-found-body{margin:10px 0;font-size:15px;line-height:1.5;color:var(--text-dark);text-align:center}.game-not-found-body code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:14px;background:#0000000d;padding:2px 6px;letter-spacing:1px}.copy-btn{padding:13px 16px;font-family:"Noto Serif",serif;font-size:14px;font-weight:700;color:var(--text-dark);background:var(--input-bg);border:1px solid var(--hairline);cursor:pointer;transition:background .15s;white-space:nowrap}.copy-btn:hover{background:var(--selected-bg)}.copy-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.time-grid{display:flex;flex-direction:column;gap:12px}.time-row{display:flex;align-items:center;gap:12px}.time-label{font-size:16px;font-weight:700;color:var(--text-dark);min-width:110px}.time-input-wrap{display:flex;align-items:stretch;flex:1}.num-step{width:44px;padding:0;font-family:"Noto Serif",serif;font-size:22px;font-weight:900;color:var(--text-dark);background:var(--wood-border);border:1px solid var(--hairline);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:background .15s;-webkit-user-select:none;user-select:none}.num-step:hover{background:var(--selected-bg)}.num-step:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.num-step:disabled{opacity:.4;cursor:not-allowed}.num-step.minus{border-right:none}.time-input{width:84px;padding:13px 10px;font-family:"Noto Serif",serif;font-size:20px;font-weight:700;color:var(--text-dark);background:var(--input-bg);border:1px solid var(--hairline);border-left:none;border-right:none;text-align:center;-moz-appearance:textfield;flex:1}.time-input::-webkit-outer-spin-button,.time-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.time-input:focus{outline:none;position:relative;z-index:1;border-color:var(--wood-medium)}.num-step.plus{border-left:none}.time-unit{padding:13px 14px;font-family:"Noto Serif",serif;font-size:15px;font-weight:700;color:var(--text-medium);background:var(--wood-border);border:1px solid var(--hairline);border-left:none;display:flex;align-items:center;white-space:nowrap}.color-options{display:flex;gap:14px}.color-option{flex:1;padding:20px 16px;border:1px solid var(--hairline);background:var(--input-bg);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:10px;transition:border-color .15s,background .15s}.color-option:hover{border-color:var(--wood-medium)}.color-option.selected{border-color:var(--accent);background:#d5c0a0}.color-option:focus-visible{outline:2px solid var(--accent);outline-offset:0}.color-piece{width:50px;height:50px;border-radius:50%;border:3px solid var(--wood-medium)}.color-piece.black-piece{background:radial-gradient(circle at 38% 36%,#555,#1a1a1a 55%,#0a0a0a);border-color:#444}.color-piece.white-piece{background:radial-gradient(circle at 38% 36%,#fff,#e8e0d4 55%,#c8beb0);border-color:#a09080}.color-piece.random-piece{background:linear-gradient(135deg,#1a1a1a 0,#1a1a1a 49.9%,#e8e0d4 50%,#e8e0d4);border-color:var(--wood-medium)}.color-name{font-size:18px;font-weight:900;color:var(--text-dark)}.color-desc{font-size:13px;color:var(--text-muted);font-weight:400}.assigned-side-banner{padding:14px 18px;border:1px solid var(--accent);background:#efe2c9;font-size:15px;color:var(--text-dark);text-align:center}.assigned-side-banner strong{color:var(--accent)}.button-row{display:flex;gap:14px;margin-top:34px}.btn{flex:1;padding:16px 20px;font-family:"Noto Serif",serif;font-size:17px;font-weight:700;cursor:pointer;border:1px solid transparent;transition:background .15s,transform .1s;letter-spacing:1px;text-align:center;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:scale(.97)}.btn:focus-visible{outline:2px solid var(--text-dark);outline-offset:0}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-back{color:var(--text-medium);background:transparent;border-color:var(--hairline)}.btn-back:hover{background:var(--input-bg);text-decoration:none}.btn-create{color:#fff;background:var(--accent);border-color:var(--accent)}.btn-create:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;text-decoration:none}.toast{position:fixed;top:28px;left:50%;transform:translate(-50%) translateY(-130px);background:var(--wood-medium);color:var(--text-light);padding:16px 30px;font-family:"Noto Serif",serif;font-size:16px;font-weight:700;border:1px solid var(--hairline);transition:transform .35s cubic-bezier(.34,1.56,.64,1);z-index:100;text-align:center;max-width:90vw}.toast.show{transform:translate(-50%) translateY(0)}.lobby-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.lobby-item{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--input-bg);border:1px solid var(--hairline)}.lobby-item-main{flex:1 1 auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap;min-width:0}.lobby-item-join{flex:0 0 auto}.lobby-item .handle{font-size:16px;font-weight:900;color:var(--text-dark);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:18ch}.side-badge{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;border:2px solid var(--wood-medium);font-size:11px;font-weight:900;letter-spacing:0;flex:0 0 auto}.side-badge.side-black{background:radial-gradient(circle at 38% 36%,#555,#1a1a1a 55%,#0a0a0a);color:#f0e8d8;border-color:#333}.side-badge.side-white{background:radial-gradient(circle at 38% 36%,#fff,#e8e0d4 55%,#c8beb0);color:#2a2a2a;border-color:#a09080}.lobby-item .meta{font-size:12px;color:var(--text-muted);font-weight:700;letter-spacing:.5px;white-space:nowrap}.lobby-item .game-code{font-family:ui-monospace,SF Mono,Menlo,monospace;font-size:12px;color:var(--text-medium);background:#0000000d;padding:3px 7px;letter-spacing:.5px}.lobby-item-join{padding:10px 18px;font-size:14px}.game-fullscreen{width:100vw;height:100vh;display:flex;flex-direction:column;padding:8px 12px;background-color:#0a0a0a;color:var(--text-light);overflow:hidden}.game-desktop{display:flex;flex-direction:column;flex:1;min-height:0}.game-mobile{display:none}.game-layout{display:grid;grid-template-columns:1fr 260px;gap:10px;flex:1;min-height:0;align-items:stretch}.board-table{display:grid;grid-template-columns:1fr;background:var(--wood-light);background-image:repeating-linear-gradient(89deg,transparent,transparent 2px,rgba(0,0,0,.035) 2px,rgba(0,0,0,.035) 3px),repeating-linear-gradient(91deg,transparent,transparent 6px,rgba(255,255,255,.04) 6px,rgba(255,255,255,.04) 9px);border:1px solid var(--hairline);min-height:0}.board-wrap{display:flex;align-items:center;justify-content:center;min-height:0}.board-canvas{height:100%;max-height:100%;aspect-ratio:10 / 8;width:auto;display:block}.game-status-bar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:6px;font-size:13px;font-weight:700;color:var(--text-light);letter-spacing:2px;text-transform:uppercase;flex-shrink:0}.game-title{font-size:18px;font-weight:900;letter-spacing:6px}.game-banner{padding:8px 16px;background:#ffffff0f;border:1px solid var(--hairline-light);margin-bottom:6px;text-align:center;font-weight:700;color:var(--text-light);font-size:13px;flex-shrink:0}.game-banner.win{border-color:var(--accent);background:#d5c0a0;color:var(--text-dark)}.clock-panel{display:flex;background:var(--input-bg);border:1px solid var(--hairline)}.clock-half{flex:1;padding:10px 8px;text-align:center;transition:border-color .15s,background .15s;border-bottom:2px solid transparent}.clock-half.active{background:#d5c0a0;border-bottom-color:var(--accent)}.clock-divider{width:1px;background:var(--hairline)}.clock-half-name{font-size:14px;font-weight:900;color:var(--text-dark);margin-bottom:2px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:flex;align-items:center;justify-content:center;gap:6px}.presence-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#888;flex-shrink:0}.presence-dot.online{background:#2e7d32}.clock-half-label{font-size:11px;text-transform:uppercase;letter-spacing:2px;color:var(--text-medium);font-weight:700;margin-bottom:2px}.clock-half-time{font-size:22px;font-weight:900;color:var(--text-dark);font-variant-numeric:tabular-nums;letter-spacing:1px}.clock-half-byo{font-size:11px;color:var(--text-muted);margin-top:2px;font-weight:700}.move-list{list-style:none;flex:1 1 0;min-height:0;overflow-y:auto;background:var(--input-bg);border:1px solid var(--hairline);padding:6px;font-size:12px;color:var(--text-dark)}.move-entry{display:flex;gap:4px;padding:1px 4px}.move-entry:nth-child(odd){background:#0000000a}.move-ply{min-width:28px;color:var(--text-muted);font-weight:700;font-variant-numeric:tabular-nums}.move-side{min-width:16px}.move-text{font-weight:700}.move-capture{color:var(--accent);font-weight:700}.move-empty{color:var(--text-muted);text-align:center;padding:12px;font-style:italic}.game-controls{display:flex;flex-direction:column;gap:6px}.btn-control{padding:6px 10px;font-family:"Noto Serif",serif;font-size:12px;font-weight:700;color:var(--text-medium);background:var(--input-bg);border:1px solid var(--hairline);cursor:pointer;transition:background .15s;display:inline-flex;align-items:center;justify-content:center;gap:6px}.btn-control i{font-size:12px;width:14px;text-align:center}.btn-control:hover:not(:disabled){background:var(--selected-bg)}.btn-control:disabled{opacity:.5;cursor:not-allowed}.btn-control.btn-danger{background:var(--accent);color:#fff;border-color:var(--accent)}.game-sidebar{display:flex;flex-direction:column;gap:8px;min-height:0}.sidebar-nav{display:flex;gap:6px;margin-top:auto}.stack{display:flex;flex-direction:column;gap:14px}.center-text{text-align:center;color:var(--text-medium);font-size:15px}.player-tag{font-weight:900;color:var(--text-dark)}@media(max-width:520px){.lobby-item{flex-direction:column;align-items:stretch;gap:10px}.lobby-item-main{row-gap:6px}.lobby-item-join{width:100%;padding:12px;text-align:center}}@media(max-width:500px){.lobby-title{font-size:28px;letter-spacing:5px}.lobby-subtitle{font-size:14px;margin-bottom:22px}.time-label{min-width:88px;font-size:15px}.time-input{width:70px;font-size:18px}.num-step{width:38px;font-size:18px}.color-option{padding:16px 12px}.color-piece{width:44px;height:44px}.btn{padding:14px;font-size:16px}}@media(max-width:380px){.button-row{flex-direction:column;gap:10px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{transition-duration:.01ms!important}}@media(max-width:900px){.game-desktop{display:none}.game-mobile{display:flex;flex-direction:column;flex:1;min-height:0;gap:6px}.game-fullscreen{padding:6px 8px}.game-mobile-header{display:flex;align-items:center;gap:8px;padding:2px 0}.game-header-back,.game-header-mute{flex:0 0 auto;padding:8px 12px;font-size:14px}.game-header-title{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;gap:1px;overflow:hidden}.game-header-handles{font-weight:700;font-size:15px;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.game-header-tc{font-size:11px;color:var(--text-muted);letter-spacing:1px;font-variant-numeric:tabular-nums}.move-marquee{display:flex;flex-direction:row;gap:6px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;padding:4px 2px;scroll-behavior:smooth}.move-marquee::-webkit-scrollbar{display:none}.move-chip{flex:0 0 auto;display:inline-flex;align-items:center;gap:3px;padding:3px 8px;background:var(--input-bg);border:1px solid var(--hairline);font-size:12px;color:var(--text-dark);white-space:nowrap}.move-chip-ply{color:var(--text-muted);font-weight:700;font-variant-numeric:tabular-nums}.move-chip-capture{color:var(--accent);font-weight:700}.game-mobile-board{flex:1 1 auto;min-height:0;display:flex;flex-direction:column;align-items:stretch;background:var(--wood-light);background-image:repeating-linear-gradient(89deg,transparent,transparent 2px,rgba(0,0,0,.035) 2px,rgba(0,0,0,.035) 3px),repeating-linear-gradient(91deg,transparent,transparent 6px,rgba(255,255,255,.04) 6px,rgba(255,255,255,.04) 9px);border:1px solid var(--hairline)}.game-mobile-board>*+*{border-top:1px solid var(--hairline)}.game-mobile-board .board-wrap{flex:1 1 auto;min-height:0}.game-mobile-board .board-canvas{max-width:100%;max-height:100%;height:auto;width:100%}.player-row{display:flex;align-items:center;gap:10px;padding:6px 10px;background:transparent;color:var(--text-dark)}.player-row.active{background:var(--selected-bg)}.player-row-name{flex:1 1 auto;min-width:0;font-weight:700;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-row-clock{flex:0 0 auto;font-size:28px;font-weight:900;font-variant-numeric:tabular-nums;letter-spacing:1px;display:flex;align-items:baseline;gap:6px}.player-row-byo{font-size:11px;font-weight:700;color:var(--text-muted);letter-spacing:1px}.game-controls-mobile{flex-direction:row;gap:8px;padding-top:4px}.game-controls-mobile .btn-control{flex:1 1 0;padding:12px 0;font-size:14px;min-height:48px}.game-controls-mobile .btn-control-label{display:none}.game-controls-mobile .btn-control i{font-size:18px;width:auto}.game-mobile .game-banner{padding:6px 10px;font-size:13px}}.boot-splash{display:flex;align-items:center;justify-content:center;min-height:100vh;color:var(--text-medium);font-size:14px;letter-spacing:.5px}.connection-banner{position:fixed;top:0;left:0;right:0;padding:6px 12px;text-align:center;font-size:13px;font-weight:600;z-index:100;letter-spacing:.5px}.banner-warn{background:#d97706;color:#fff}.banner-error{background:var(--accent);color:#fff}.offer-modal{position:fixed;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#0006;z-index:200}.offer-modal-card{background:var(--input-bg);border:1px solid var(--hairline);padding:20px 24px;min-width:280px;max-width:90vw}.offer-modal-card h3{margin:0 0 8px;font-size:18px}.offer-modal-card p{margin:0 0 16px;color:var(--text-medium)}.offer-modal-actions{display:flex;gap:8px;justify-content:flex-end}