:root{--bg:#141820;--panel:#1c222c;--panel-deep:#181e27;--line:#303946;--text:#edf0ed;--muted:#9aa7ac;--quiet:#75828d;--accent:#bed8bf;--accent-ink:#182b24;--light-square:#d3dbce;--dark-square:#647c72;--highlight:#dcbb73;--danger:#e2a5a0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color-scheme:dark}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{opacity:.42;cursor:not-allowed}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--highlight);outline-offset:4px}.hidden{display:none!important}.site-header{max-width:1220px;margin:auto;padding:29px 40px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:13px;font-size:13px;font-weight:650;letter-spacing:.19em}.brand-mark{display:grid;place-items:center;width:33px;height:33px;border:1px solid #536960;border-radius:50%;font-family:Georgia,serif;font-size:21px;font-weight:400;color:var(--accent);letter-spacing:0}.brand-divider{color:var(--quiet);margin:0 9px}.brand-light{font-weight:400;color:var(--muted)}nav{display:flex;gap:18px;align-items:center}.private-badge{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:9px}.tiny-dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent)}main{max-width:1120px;margin:0 auto;padding:36px 38px 48px}.eyebrow{font-size:10px;letter-spacing:.19em;color:var(--accent);font-weight:650;margin:0 0 10px}h1{font-family:Georgia,"Times New Roman",serif;letter-spacing:-.035em;font-weight:400;font-size:58px;line-height:1.12;margin:0}h2{font-family:Georgia,"Times New Roman",serif;font-size:30px;line-height:1.2;font-weight:400;margin:6px 0 17px}.intro-row{display:flex;justify-content:space-between;align-items:end;margin:4px 0 33px}.intro-aside{color:var(--muted);font-size:13px;line-height:1.8;text-align:right;margin:0 0 5px}.table-layout{display:grid;grid-template-columns:minmax(0,610px) minmax(260px,1fr);gap:32px;align-items:start}.board-area{min-width:0}.player-bar{display:flex;align-items:center;justify-content:space-between;padding:0 1px 15px;gap:12px}.player-bar.lower{padding:16px 1px 10px}.player-identity{display:flex;align-items:center;gap:11px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:16px;flex-shrink:0}.kairo-avatar{border:1px solid #50675b;color:var(--accent);background:#24362e;font-family:Georgia,serif}.human-avatar{background:#323949;color:#dfe4ed;border:1px solid #465165;font-size:12px}.player-name{font-size:13px;font-weight:600;display:block}.player-detail{display:block;font-size:11px;color:var(--muted);line-height:1.5}.player-status{font-size:11px;color:var(--muted);text-align:right}.you-label{font-size:8px;letter-spacing:.12em;color:var(--quiet);margin-left:5px}.board-shell{padding:8px;border:1px solid #37453f;background:#27322e;border-radius:9px;box-shadow:0 18px 45px #00000023}.board{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1;width:100%;border-radius:3px;overflow:hidden;touch-action:manipulation}.square{border:0;border-radius:0;margin:0;padding:0;aspect-ratio:1;position:relative;display:flex;align-items:center;justify-content:center;isolation:isolate;cursor:pointer}.square.light{background:var(--light-square)}.square.dark{background:var(--dark-square)}.square .piece{width:83%;height:83%;position:relative;z-index:2;user-select:none;pointer-events:none;filter:drop-shadow(0 2px 1px #00000025)}.square.last-move.light{background:#dfdda8}.square.last-move.dark{background:#95a16b}.square.selected{box-shadow:inset 0 0 0 4px #ead294;background:#aab889}.square.check{background:#ba7665}.square.legal-target::after{content:"";position:absolute;z-index:3;width:23%;height:23%;border-radius:50%;background:#193e3460;pointer-events:none}.square.legal-target.occupied::after{width:89%;height:89%;background:transparent;border:5px solid #1e453b80}.square:focus-visible{outline:none;box-shadow:inset 0 0 0 3px #1b414f;z-index:4}.coordinate{position:absolute;font-size:9px;font-weight:650;z-index:4;line-height:1;pointer-events:none}.rank{left:4px;top:4px}.file{right:4px;bottom:3px}.light .coordinate{color:#586c62}.dark .coordinate{color:#e4e9dc}.board-tools{display:flex;gap:14px;align-items:center;flex-wrap:wrap;padding:6px 0 17px;margin-top:1px;border-bottom:1px solid var(--line)}.quiet-button{border:0;background:transparent;color:var(--muted);padding:4px 0;font-size:11px;white-space:nowrap}.quiet-button:hover{color:var(--text)}.board-tools .danger-button{margin-left:auto;color:var(--danger)}.quiet-button span{margin-right:3px}.small-button{border:1px solid #45534e;border-radius:6px;padding:8px 13px;background:transparent;color:var(--text);font-size:11px;white-space:nowrap}.small-button:hover{background:#27322e}.small-button span{margin-left:9px;color:var(--accent)}.primary-button{width:100%;display:flex;align-items:center;justify-content:space-between;border:1px solid transparent;border-radius:6px;padding:13px 17px;color:var(--accent-ink);background:var(--accent);font-weight:600;font-size:12px;min-height:44px}.primary-button:hover:not(:disabled){background:#d2e6cf}.primary-button span{font-size:17px;font-weight:400}.disabled-link{pointer-events:none;opacity:.4}.note-box{margin-top:18px}.note-label{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px;gap:12px}.note-label label{font-size:11px;color:#c3cdc9}.note-label span{font-size:10px;color:var(--quiet);font-variant-numeric:tabular-nums}textarea,input{border:1px solid var(--line);border-radius:6px;background:#191f28;color:var(--text);padding:12px;width:100%;outline:none}textarea{resize:vertical;min-height:77px;font-size:12px;line-height:1.7}textarea::placeholder,input::placeholder{color:var(--quiet)}textarea:disabled{opacity:.6}.note-box>p{font-size:10px;color:var(--quiet);margin:5px 0}.side-panel{padding-top:1px}.reply-card{background:linear-gradient(140deg,#27362f,#1e2826);border:1px solid #3d5145;border-radius:9px;padding:23px 22px;min-height:194px}.card-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.card-heading .eyebrow{font-size:9px;margin:0}.orbit{height:16px;width:16px;border:1px solid #7f9d82;border-radius:50%;box-shadow:0 0 0 4px #849b7510;position:relative}.orbit::after{content:"";width:4px;height:4px;position:absolute;border-radius:50%;background:var(--accent);right:0;top:0}.last-reply{font-family:Georgia,"Times New Roman",serif;font-size:22px;line-height:1.5;margin:23px 0 18px;white-space:pre-wrap;overflow-wrap:anywhere;max-height:290px;overflow:auto}.last-reply.placeholder{font-size:22px;color:#bdcbbf}.reply-caption{font-size:10px;color:#97ad9b;margin:0}.start-card{padding:23px 0 25px}.start-card h2{font-size:27px;margin:5px 0 10px}.start-card p{color:var(--muted);font-size:12px}.start-card .eyebrow{font-size:9px}.record-card{border:1px solid var(--line);border-radius:8px;background:var(--panel-deep);margin-top:20px;overflow:hidden}.record-tabs{display:flex;border-bottom:1px solid var(--line)}.record-tab{flex:1;background:transparent;border:0;border-bottom:2px solid transparent;color:var(--muted);font-size:11px;padding:16px 10px 13px}.record-tab.active{color:var(--text);border-bottom-color:var(--accent)}.record-tab span{font-size:9px;margin-left:4px;color:var(--quiet)}.move-head,.move-row{display:grid;grid-template-columns:36px 1fr 1fr;align-items:center;gap:6px;padding:8px 16px}.move-head{font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:var(--quiet);border-bottom:1px solid #29323e}.move-list{min-height:200px;max-height:285px;overflow:auto;padding:6px 0}.move-row{padding-top:7px;padding-bottom:7px;font-size:12px;font-variant-numeric:tabular-nums}.move-row:nth-child(even){background:#202732}.move-number{color:var(--quiet);font-size:11px}.move-san.latest{color:var(--accent);font-weight:650}.empty-state{font-size:11px;line-height:1.7;color:var(--quiet);text-align:center;padding:44px 18px}.conversation-panel{min-height:248px;max-height:327px;overflow:auto;padding:2px 16px 15px}.conversation-item{padding:14px 0 12px;border-bottom:1px solid #29323e}.conversation-item:last-child{border-bottom:0}.conversation-item .speaker{font-size:10px;color:var(--accent);font-weight:650;display:block;margin-bottom:5px}.conversation-item p{font-size:12px;white-space:pre-wrap;overflow-wrap:anywhere;margin:0;color:#c3cdc9}.conversation-item.system p{font-size:10px;color:var(--quiet)}.saved-status{display:flex;align-items:center;justify-content:center;gap:7px;font-size:10px;color:var(--quiet);margin:17px 0}.saved-status .tiny-dot{width:4px;height:4px;background:#7f9586}.receipt-details{font-size:10px;color:var(--quiet);padding:6px 8px;overflow-wrap:anywhere}.receipt-details summary{cursor:pointer;color:var(--muted)}.receipt-details p{white-space:pre-line}.notice{border:1px solid #665b3e;background:#332f24;color:#e5d6b2;border-radius:7px;padding:12px 15px;font-size:12px;line-height:1.7;margin-bottom:20px}.turn-notice{margin:9px 0 7px;display:flex;align-items:center;gap:14px;justify-content:space-between}.turn-notice p{margin:0;font-size:11px}.turn-notice .small-button{border-color:#887754;color:#f4e2bd}.result-banner{background:#2b3b30;border:1px solid #526c54;color:#dfedd8;padding:13px 16px;border-radius:7px;font-size:13px;margin:11px 0}.form-error{color:#efb3a6;font-size:12px;min-height:20px}.gate{display:grid;grid-template-columns:1.3fr 1fr;gap:70px;align-items:center;min-height:650px}.gate h1{font-size:57px}.gate-copy .intro{color:var(--muted);margin-top:28px;font-size:15px;line-height:1.9}.gate-piece{font-family:Georgia,serif;font-size:110px;color:#7d9583;line-height:1;margin-top:30px;text-shadow:0 8px 30px #00000050}.login-card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:30px}.login-card h2{font-size:36px;margin-top:7px}.login-card>p{font-size:12px;color:var(--muted)}.login-card>label{font-size:11px;display:block;margin:27px 0 7px}.login-card input{margin-bottom:16px}.login-card .fine-print{font-size:10px;color:var(--quiet);margin-bottom:0}.login-card .form-error{color:#efb3a6}footer{max-width:1140px;margin:auto;padding:23px 40px 28px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:9px;color:var(--quiet);letter-spacing:.06em}footer span:first-child{letter-spacing:.18em}dialog{width:min(460px,calc(100vw - 32px));max-height:85vh;overflow:auto;border:1px solid #48564e;border-radius:12px;padding:29px;background:#1e2630;color:var(--text);box-shadow:0 25px 100px #00000070}dialog::backdrop{background:#0b1019b8;backdrop-filter:blur(5px)}.dialog-heading{display:flex;justify-content:space-between;align-items:start;gap:10px}.dialog-heading .eyebrow{font-size:9px}.close-button{background:transparent;border:0;font-size:23px;line-height:1;color:var(--muted);padding:0 2px 6px;margin-top:-5px}dialog>p,dialog form>p{font-size:12px;color:var(--muted)}dialog h2{font-size:33px;margin-bottom:12px}.color-choices{display:flex;gap:10px;margin:23px 0}.color-choices label{flex:1;position:relative;cursor:pointer}.color-choices input{position:absolute;opacity:0;width:1px;height:1px}.color-choices label>span{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:107px;border:1px solid var(--line);border-radius:7px;font-size:11px;color:var(--muted);background:#19212a}.color-choices input:checked+span{border-color:#8eab91;background:#2d3b31;color:var(--text)}.color-choices input:focus-visible+span{outline:3px solid var(--highlight);outline-offset:3px}.choice-piece{font-size:35px;line-height:1.4;display:block;color:#dce9d8}.saved-list{margin-top:20px}.saved-game{display:flex;justify-content:space-between;align-items:center;gap:15px;width:100%;text-align:left;border:1px solid var(--line);border-radius:7px;padding:13px;margin-top:9px;background:#1a222c;color:var(--text);font-size:12px}.saved-game:hover{background:#2a3530}.saved-game small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.saved-game .game-result{font-size:11px;color:var(--accent);white-space:nowrap}.promotion-choices{display:flex;gap:8px;margin-top:23px}.promotion-choice{background:#35483e;border:1px solid #546c5b;border-radius:7px;flex:1;color:var(--text);font-size:10px;padding:9px 3px;min-width:0}.promotion-choice img{width:100%;display:block;aspect-ratio:1}.toast{position:fixed;left:50%;bottom:25px;transform:translateX(-50%);max-width:min(550px,calc(100vw - 32px));padding:12px 20px;background:#edf0df;color:#1e2b25;border-radius:7px;box-shadow:0 9px 40px #00000055;z-index:20;font-size:12px;text-align:center}.thinking{animation:breathe 2.5s ease-in-out infinite}@keyframes breathe{0%,100%{box-shadow:0 0 0 0 #b8d7a800}50%{box-shadow:0 0 0 6px #b8d7a814}}.claim-button{color:var(--accent);margin-left:auto}
@media(min-width:1400px){main{padding-top:45px}.intro-row{margin-bottom:39px}}
@media(max-width:860px){.site-header{padding:22px 25px}main{padding:29px 25px 40px}.table-layout{gap:22px;grid-template-columns:minmax(0,1.65fr) minmax(220px,1fr)}h1{font-size:48px}.reply-card{padding:19px 17px;min-height:170px}.last-reply{font-size:20px}.gate{gap:30px;min-height:580px}.gate h1{font-size:45px}.board-tools{gap:12px}.board-tools .quiet-button{font-size:10px}.coordinate{font-size:8px}}
@media(max-width:650px){.site-header{padding:18px 18px;gap:10px}.brand{font-size:10px;letter-spacing:.13em;gap:8px}.brand-mark{width:28px;height:28px;font-size:19px}.brand-divider{margin:0 3px}nav{gap:12px}nav .small-button{padding:7px 10px;font-size:10px}nav .quiet-button{font-size:10px}.site-header{flex-wrap:wrap}nav{margin-left:auto}.private-badge{font-size:10px;gap:6px}main{padding:25px 16px 32px}.intro-row{margin:3px 2px 26px}h1{font-size:43px}.eyebrow{font-size:9px}.intro-aside{font-size:11px}.table-layout{display:flex;flex-direction:column;gap:21px}.board-area,.side-panel{width:100%}.board-shell{padding:6px;border-radius:7px}.player-bar{padding-bottom:12px}.player-bar.lower{padding-top:13px}.player-status{font-size:10px}.avatar{width:32px;height:32px}.player-name{font-size:12px}.player-detail{font-size:10px}.coordinate{font-size:8px}.board-tools{justify-content:space-between;gap:10px;padding-bottom:15px}.board-tools .quiet-button{font-size:10px}.board-tools .danger-button{margin-left:0}.note-box{margin-top:15px}.note-label label{font-size:11px}.reply-card{min-height:155px;padding:21px}.last-reply,.last-reply.placeholder{font-size:23px;line-height:1.45;margin:20px 0 15px}.record-card{margin-top:19px}.move-list{max-height:240px}.gate{display:flex;flex-direction:column;align-items:stretch;gap:25px;min-height:0;padding-top:25px}.gate h1{font-size:43px}.gate-piece{display:none}.gate-copy .intro{font-size:13px;margin:20px 0 10px}.login-card{padding:25px}.gate-copy .eyebrow{margin-bottom:15px}.login-card .eyebrow{font-size:9px}.gate .login-card{margin-bottom:12px}.turn-notice{align-items:start;gap:10px}.turn-notice .small-button{font-size:10px;padding:7px 9px}.start-card{padding-bottom:5px}footer{padding:23px 18px;font-size:8px;gap:10px}dialog{padding:24px}.promotion-choices{gap:7px}.record-tab{padding-top:14px}textarea{font-size:16px}input{font-size:16px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}}