*{box-sizing:border-box}:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#fff;background:#07070a;--light-square: #8871bd;--dark-square: #35295d;--accent: #b895ff;--selected: #f0dbff;--legal: rgba(255,255,255,.78);--last: rgba(255,224,69,.22);--panel: rgba(14,14,19,.94);--border: rgba(255,255,255,.12);--white-player: #b895ff;--black-player: #35d7ff}html,body,#app{min-height:100%}body{margin:0;min-height:100vh;background:radial-gradient(circle at 10% 0%,rgba(255,0,56,.1),transparent 28%),radial-gradient(circle at 90% 90%,rgba(98,0,255,.12),transparent 30%),#060609}button,input,select{font:inherit}button{cursor:pointer}.hidden{display:none!important}.screen{min-height:100vh}.setup-screen{display:flex;align-items:center;justify-content:center;padding:28px}.setup-card{width:min(820px,100%);padding:32px;border:1px solid var(--border);border-radius:26px;background:linear-gradient(145deg,#17171df7,#08080cf7);box-shadow:0 30px 100px #0000008c}.brand{display:flex;align-items:center;gap:18px;margin-bottom:28px}.brand-piece{font-size:58px;color:var(--accent);filter:drop-shadow(0 0 18px color-mix(in srgb,var(--accent) 55%,transparent))}h1{margin:0;font-size:clamp(38px,7vw,64px);line-height:.9;letter-spacing:-3px}.brand p{margin:10px 0 0;color:#9b9ba6}.setup-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field>span,.stickers>span{color:#9999a5;font-size:11px;font-weight:800;letter-spacing:1.25px;text-transform:uppercase}input,select{width:100%;padding:13px 14px;color:#fff;background:#111117;border:1px solid rgba(255,255,255,.12);border-radius:12px;outline:none}input:focus,select:focus{border-color:color-mix(in srgb,var(--accent) 70%,white);box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 14%,transparent)}.custom-time{grid-column:1/-1;display:grid;grid-template-columns:1fr 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var(--border);background:#08080ceb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.mini-brand{font-size:20px;font-weight:900}.header-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:flex-end}.header-actions select,.header-actions button{width:auto;min-height:38px;color:#fff;background:#121218;border:1px solid var(--border);border-radius:10px}.header-actions button{min-width:42px}.room-bar{display:flex;align-items:center;gap:7px;padding:5px 7px 5px 11px;border-radius:11px;border:1px solid rgba(53,215,255,.2);background:#35d7ff12;font-size:12px}#roomCodeLabel{font-weight:900;letter-spacing:.8px}#copyRoomBtn{min-height:28px;padding:3px 8px}.connection-label{color:#9da2b2;white-space:nowrap}.connection-label.online{color:#67e4a7}.connection-label.offline{color:#ff7c88}.game-layout{max-width:1260px;margin:0 auto;padding:20px;display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:20px}.player-card{min-height:72px;margin:9px 0;padding:12px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-radius:16px;border:1px solid var(--border);background:#101015}.player-white{--player-accent:var(--white-player)}.player-black{--player-accent:var(--black-player)}.player-card.active-player{border-color:color-mix(in srgb,var(--player-accent) 70%,transparent);box-shadow:0 0 27px color-mix(in srgb,var(--player-accent) 15%,transparent)}.player-card.my-player:before{content:"YOU";align-self:flex-start;padding:4px 6px;margin-right:3px;border-radius:6px;color:var(--player-accent);background:color-mix(in srgb,var(--player-accent) 10%,transparent);font-size:9px;font-weight:900;letter-spacing:1px}.player-name{max-width:400px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:17px;font-weight:900}.player-side{margin-top:4px;color:#747480;font-size:10px;font-weight:900;letter-spacing:1.3px}.clock{min-width:110px;padding:8px 12px;border-radius:11px;text-align:center;font-variant-numeric:tabular-nums;font-size:27px;font-weight:900;background:#050507}.clock.low-time{color:#ff4755;animation:pulse .65s alternate infinite}@keyframes pulse{to{opacity:.62}}.camera-stage{--hand-accent:var(--white-player);width:100%;aspect-ratio:16/10;position:relative;overflow:hidden;border-radius:22px;border:1px solid rgba(255,255,255,.15);background:#111}.camera-stage[data-hand-color=b]{--hand-accent:var(--black-player)}#webcam{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;transform:scaleX(-1)}.camera-tint{position:absolute;inset:0;background:linear-gradient(to bottom,#00000008,#00000029);pointer-events:none}.chessboard{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);overflow:hidden;border-radius:12px;border:4px solid rgba(10,10,15,.95);outline:1px solid rgba(255,255,255,.25);box-shadow:0 20px 55px #0009,0 0 34px #8255e629;-webkit-user-select:none;user-select:none}.square{position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;font-family:Segoe UI Symbol,Arial Unicode MS,serif}.square.light{background:var(--light-square)}.square.dark{background:var(--dark-square)}.square.ghost-hover{box-shadow:inset 0 0 0 100px #ffffff30}.square.selected{box-shadow:inset 0 0 0 5px var(--selected)}.square.last-move{box-shadow:inset 0 0 0 100px var(--last)}.square.legal:after{content:"";width:22%;aspect-ratio:1;position:absolute;border-radius:50%;background:var(--legal);box-shadow:0 0 14px #ffffff4d}.square.legal.has-piece:after{width:73%;height:73%;background:transparent;border:4px solid var(--legal);border-radius:50%}.piece{position:relative;z-index:3;line-height:1;pointer-events:none;transform:translateY(-1px);filter:drop-shadow(0 3px 2px rgba(0,0,0,.48))}.white-piece{color:#f8f8fa;text-shadow:0 1px 1px #000,0 0 2px #000}.black-piece{color:#0d0d12;text-shadow:0 1px 1px rgba(255,255,255,.23)}.hand-cursor{--ghost-progress:0deg;width:40px;height:40px;position:absolute;z-index:999;transform:translate(-50%,-50%);pointer-events:none}.cursor-ring{position:absolute;inset:0;border:none;border-radius:50%;background:conic-gradient(var(--hand-accent) var(--ghost-progress),rgba(255,255,255,.2) 0deg);-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 0);mask:radial-gradient(farthest-side,transparent calc(100% - 4px),#000 0)}.cursor-dot{width:10px;height:10px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:50%;background:#fff;box-shadow:0 0 14px #fff}.hand-cursor.ghost-ready .cursor-dot{background:var(--hand-accent);box-shadow:0 0 22px var(--hand-accent)}.live-badge,.ai-thinking{position:absolute;z-index:50;background:#000000a8;-webkit-backdrop-filter:blur(11px);backdrop-filter:blur(11px)}.live-badge{top:13px;left:13px;padding:7px 10px;display:flex;align-items:center;gap:7px;border-radius:99px;font-size:11px;font-weight:900;letter-spacing:1px}.live-badge span{width:7px;height:7px;border-radius:50%;background:#ff3044;box-shadow:0 0 10px #ff3044}.ai-thinking{top:13px;right:13px;padding:8px 11px;display:flex;align-items:center;gap:8px;border-radius:10px;font-size:11px;font-weight:900}.ai-thinking span{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:ai .55s alternate infinite}@keyframes ai{to{opacity:.2}}.waiting-overlay{position:absolute;inset:0;z-index:300;display:flex;align-items:center;justify-content:center;padding:18px;background:#040408b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.waiting-card{width:min(390px,92%);padding:26px;text-align:center;border-radius:20px;border:1px solid rgba(255,255,255,.16);background:#0e0e16f0;box-shadow:0 22px 70px #00000080}.waiting-icon{font-size:38px}.waiting-card h2{margin:9px 0 5px}.waiting-card p{margin:0;color:#a3a3af}.waiting-code{margin:18px 0 10px;font-size:25px;font-weight:950;letter-spacing:2px;color:#fff}.waiting-card button{padding:9px 13px;border-radius:10px;color:#fff;background:#1b1b25;border:1px solid var(--border)}.side-panel{display:flex;flex-direction:column;gap:13px}.panel-card{padding:16px;border:1px solid var(--border);border-radius:16px;background:var(--panel)}.panel-title{color:#747480;font-size:10px;font-weight:900;letter-spacing:1.35px}.game-status{margin-top:8px;font-weight:800;line-height:1.4}.moves-card{min-height:270px}.move-history{max-height:330px;margin-top:11px;overflow-y:auto}.move-row{display:grid;grid-template-columns:34px 1fr 1fr;gap:7px;padding:6px 0;font-size:14px}.move-number{color:#6f6f79}.empty-history{color:#6f6f79;font-size:13px}.two-buttons{display:grid;grid-template-columns:1fr 1fr;gap:9px}.two-buttons button{padding:11px;border-radius:10px;font-weight:800}.danger-btn{color:#ff6974;background:#ff283714;border:1px solid rgba(255,60,70,.25)}.secondary-btn{color:#fff;background:#19191f;border:1px solid var(--border)}#app[data-theme=classic]{--light-square:#e6c89f;--dark-square:#7b5237;--accent:#ff4b5f;--selected:#ffe36b}#app[data-theme=crimson]{--light-square:#d9a8ae;--dark-square:#7c1f2d;--accent:#ff2c43;--selected:#ffd1d5}#app[data-theme=cyber]{--light-square:#235b70;--dark-square:#0b2230;--accent:#00eaff;--selected:#51f6ff}#app[data-theme=galaxy]{--light-square:#8871bd;--dark-square:#35295d;--accent:#b895ff;--selected:#f0dbff}#app[data-theme=forest]{--light-square:#b3c79f;--dark-square:#3f6546;--accent:#78db71;--selected:#e2ff89}#app[data-theme=minimal]{--light-square:#eeeeef;--dark-square:#9da1a8;--accent:#fff;--selected:#ffe15b}@media(max-width:1000px){.game-layout{grid-template-columns:1fr}.side-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.moves-card{min-height:180px}.room-bar{order:3;width:100%;justify-content:center}}@media(max-width:650px){.setup-screen{padding:14px}.setup-card{padding:22px 17px}.setup-grid,.online-grid{grid-template-columns:1fr}.custom-time{grid-column:auto;grid-template-columns:1fr 1fr}.game-header{padding:10px 12px}.game-layout{padding:10px}.camera-stage{aspect-ratio:1}.side-panel{grid-template-columns:1fr}.player-name{max-width:210px}.clock{min-width:92px;font-size:23px}.header-actions{gap:6px}}