:root{--bg-gradient: radial-gradient(circle at 50% 50%, #1a1b26 0%, #0f1016 100%);--glass-bg: rgba(30, 32, 48, .6);--glass-border: rgba(255, 255, 255, .08);--glass-highlight: rgba(255, 255, 255, .03);--text-primary: #f8f8f2;--text-secondary: #a9b1d6;--text-muted: #565f89;--color-accent: #7aa2f7;--color-accent-hover: #89ddff;--color-success: #9ece6a;--color-warning: #ff9e64;--color-danger: #f7768e;--board-wood-start: #eac587;--board-wood-end: #dcb36f;--board-border: #8c6833;--stone-shadow: rgba(0, 0, 0, .4);--font-sans: "Outfit", "Noto Sans KR", system-ui, -apple-system, sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-sans);background:var(--bg-gradient);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#0000001a}::-webkit-scrollbar-thumb{background:#ffffff26;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#ffffff4d}.glass-panel{background:var(--glass-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--glass-border);border-radius:20px;box-shadow:0 8px 32px #0000005e;padding:24px;transition:all .3s cubic-bezier(.4,0,.2,1)}.glass-panel:hover{border-color:#ffffff1f;box-shadow:0 12px 40px #00000073}.app-container{max-width:1400px;margin:0 auto;padding:40px 20px;min-height:100vh;display:flex;flex-direction:column;align-items:center}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:30px;width:100%;gap:16px;flex-wrap:wrap}.app-header-left{text-align:left}.app-header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.app-header h1{font-size:2.2rem;font-weight:900;background:linear-gradient(135deg,#7aa2f7,#bb9af3,#ff9e64);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:4px;letter-spacing:-.05em;text-shadow:0 4px 10px rgba(0,0,0,.2)}.app-header p{color:var(--text-secondary);font-weight:300;font-size:.95rem}.header-action-btn{display:flex;align-items:center;gap:6px;font-size:.85rem;padding:8px 14px!important;white-space:nowrap}.header-profile-btn{display:flex;align-items:center;gap:8px;font-size:.9rem;padding:6px 14px 6px 6px!important;background:linear-gradient(135deg,#7aa2f740,#bb9af326)!important;border:1px solid rgba(122,162,247,.4)!important;border-radius:999px!important;transition:all .2s ease;color:#fff!important}.header-profile-btn:hover{transform:scale(1.04);border-color:#7aa2f7b3!important}.header-avatar{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,#7aa2f7,#bb9af3);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.9rem;color:#fff;flex-shrink:0}.lobby-container{display:flex;flex-direction:column;gap:30px;width:100%;max-width:900px;margin-top:10px}.lobby-hero{display:flex;align-items:center;justify-content:space-between;gap:20px;background:linear-gradient(135deg,#7aa2f726,#bb9af30d)}.hero-text h2{font-size:1.8rem;font-weight:800;margin-bottom:10px;color:var(--text-primary)}.hero-text p{color:var(--text-secondary)}.mode-selector{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.mode-card{cursor:pointer;display:flex;flex-direction:column;align-items:center;text-align:center;padding:40px 24px;border-radius:20px;position:relative;overflow:hidden}.mode-card.disabled{opacity:.45;filter:grayscale(50%);cursor:not-allowed}.mode-card.disabled:hover{transform:none!important;background:var(--glass-bg)!important;box-shadow:0 8px 32px #0000005e!important;border-color:var(--glass-border)!important}.mode-card.disabled:hover .mode-icon{transform:none!important;background:#ffffff0d!important;color:var(--color-accent)!important}.mode-card:before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:transparent;transition:background .3s ease}.mode-card:hover{transform:translateY(-8px);background:#24283bcc}.mode-card.single:before{background:linear-gradient(90deg,#7aa2f7,#89ddff)}.mode-card.local:before{background:linear-gradient(90deg,#bb9af3,#ff007f)}.mode-card.multi:before{background:linear-gradient(90deg,#ff9e64,#f7768e)}.mode-icon{width:70px;height:70px;border-radius:50%;background:#ffffff0d;display:flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--color-accent);transition:all .3s ease}.mode-card:hover .mode-icon{transform:scale(1.1);background:#7aa2f726;color:var(--color-accent-hover)}.mode-card h3{font-size:1.4rem;font-weight:700;margin-bottom:12px}.mode-card p{color:var(--text-secondary);font-size:.95rem;font-weight:300}.nickname-setup{display:flex;flex-direction:column;gap:12px}.nickname-setup label{font-size:1rem;font-weight:500;color:var(--text-secondary)}.input-group{display:flex;gap:12px}input[type=text],select{flex:1;background:#0f101699;border:1px solid var(--glass-border);color:var(--text-primary);padding:14px 20px;border-radius:12px;font-size:1rem;font-family:var(--font-sans);transition:all .3s ease}input[type=text]:focus,select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #7aa2f740;background:#0f1016cc}input[type=text].input-error{border-color:#f7768e!important;box-shadow:0 0 0 3px #f7768e33!important}.nickname-taken-msg{margin:4px 0 0;font-size:.85rem;color:#f7768e;font-weight:500}.nickname-fixed-box{display:flex;align-items:center;gap:12px;background:#7aa2f714;border:1px solid rgba(122,162,247,.3);border-radius:12px;padding:12px 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1024px){.game-layout{grid-template-columns:1fr}}.game-main-area{display:flex;flex-direction:column;align-items:center;gap:20px}.game-board-container{display:flex;flex-direction:column;align-items:center;-webkit-user-select:none;user-select:none}.board-grid-wrapper{display:flex;align-items:center}.board-grid{display:grid;grid-template-columns:repeat(15,1fr);grid-template-rows:repeat(15,1fr);background:linear-gradient(135deg,var(--board-wood-start),var(--board-wood-end));border:4px solid var(--board-border);border-radius:8px;box-shadow:0 20px 50px #00000080,inset 0 2px 10px #ffffff4d;width:540px;height:540px;position:relative}@media (max-width: 600px){.board-grid{width:90vw;height:90vw}.coord-label{font-size:.7rem!important}}.board-cell{position:relative;width:100%;height:100%;display:flex;align-items:center;justify-content:center;cursor:pointer}.grid-lines{position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:1}.line-horizontal{position:absolute;top:50%;left:0;width:100%;height:1.5px;background:#00000073}.line-horizontal.start{left:50%;width:50%}.line-horizontal.end{width:50%}.line-vertical{position:absolute;left:50%;top:0;width:1.5px;height:100%;background:#00000073}.line-vertical.start{top:50%;height:50%}.line-vertical.end{height:50%}.star-point{width:8px;height:8px;background:#000;border-radius:50%;z-index:2}.stone{width:88%;height:88%;border-radius:50%;z-index:3;position:relative;box-shadow:0 4px 8px var(--stone-shadow),inset -3px -3px 6px #0006;transition:transform .2s cubic-bezier(.175,.885,.32,1.275);animation:place-stone .15s cubic-bezier(.175,.885,.32,1.275) forwards}@keyframes place-stone{0%{transform:scale(1.6);opacity:.5}to{transform:scale(1);opacity:1}}.black-stone{background:radial-gradient(circle at 30% 30%,#444,#111 60%,#000);border:1px solid #111}.white-stone{background:radial-gradient(circle at 30% 30%,#fff,#e2e2e2 60%,#ccc);border:1px solid #bbb;box-shadow:0 4px 8px var(--stone-shadow),inset -2px -2px 5px #00000026,inset 2px 2px 4px #fffc}.last-move-marker{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:8px;height:8px;background:var(--color-danger);border-radius:50%;box-shadow:0 0 6px var(--color-danger)}.white-stone .last-move-marker{background:#39c5bb;box-shadow:0 0 6px #39c5bb}.stone-preview{width:88%;height:88%;border-radius:50%;z-index:2;opacity:.55;pointer-events:none}.black-preview{background:#000;border:1.5px dashed #333}.white-preview{background:#fff;border:1.5px dashed #ccc}.forbidden-preview{background:#f7768e4d;border:1.5px solid var(--color-danger);display:flex;align-items:center;justify-content:center;font-size:.8rem}.forbidden-dot{position:absolute;z-index:2;width:22px;height:22px;background:#f7768e33;border:1px solid var(--color-danger);border-radius:50%;display:flex;align-items:center;justify-content:center}.forbidden-dot span{color:var(--color-danger);font-size:.65rem;font-weight:800;font-family:var(--font-sans)}.board-cell.winning .stone{animation:pulse-gold 1.5s infinite alternate;z-index:4}@keyframes pulse-gold{0%{box-shadow:0 0 #facc15b3,0 4px 8px var(--stone-shadow)}to{box-shadow:0 0 0 10px #facc1500,0 4px 8px var(--stone-shadow);transform:scale(1.05)}}.coord-label{display:flex;align-items:center;justify-content:center;font-size:.85rem;font-weight:700;color:var(--text-secondary)}.board-col-labels{display:grid;grid-template-columns:24px repeat(15,1fr) 24px;width:100%;height:24px}.board-row-labels{display:flex;flex-direction:column;width:24px;height:540px;justify-content:space-around}@media (max-width: 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10px;font-size:1.1rem;font-weight:900;color:var(--text-muted)}.game-controls{display:flex;flex-wrap:wrap;gap:10px}.game-controls .btn{flex:1;min-width:100px}.chat-container{display:flex;flex-direction:column;background:#0f101666;border:1px solid var(--glass-border);border-radius:16px;height:380px;overflow:hidden}.chat-header{padding:12px 16px;background:#0003;border-bottom:1px solid var(--glass-border)}.chat-header h3{font-size:1rem;font-weight:700}.chat-messages-area{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:12px}.chat-msg{display:flex;flex-direction:column;max-width:85%}.chat-msg.system-msg{max-width:100%;align-self:center;background:#ffffff08;border:1px dashed var(--glass-border);border-radius:8px;padding:6px 12px;text-align:center}.chat-msg.system-msg .msg-text{color:var(--color-accent);font-size:.8rem;font-weight:500}.chat-msg.msg-me{align-self:flex-end}.chat-msg.msg-other{align-self:flex-start}.msg-bubble-wrapper{display:flex;flex-direction:column;gap:4px}.chat-msg.msg-me .msg-bubble-wrapper{align-items:flex-end}.chat-msg.msg-other .msg-bubble-wrapper{align-items:flex-start}.msg-sender{font-size:.75rem;font-weight:700;color:var(--text-secondary)}.msg-bubble{padding:10px 14px;border-radius:14px;font-size:.9rem;word-break:break-all}.msg-me .msg-bubble{background:var(--color-accent);color:#0f1016;border-top-right-radius:2px}.msg-other .msg-bubble{background:#ffffff14;color:var(--text-primary);border-top-left-radius:2px}.msg-time{font-size:.65rem;color:var(--text-muted)}.chat-input-form{display:flex;padding:10px;background:#0003;border-top:1px solid var(--glass-border)}.chat-input-form input{flex:1;border-top-right-radius:0;border-bottom-right-radius:0;padding:10px 16px;background:#0000004d}.chat-send-btn{background:var(--color-accent);color:#0f1016;border:none;width:44px;display:flex;align-items:center;justify-content:center;border-top-right-radius:12px;border-bottom-right-radius:12px;cursor:pointer;transition:background .3s ease}.chat-send-btn:hover{background:var(--color-accent-hover)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000d9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;display:flex;align-items:center;justify-content:center}.modal-content{background:#1e2030;border:1px solid var(--glass-border);box-shadow:0 25px 50px -12px #00000080;border-radius:24px;width:90%;max-width:440px;padding:40px 30px;text-align:center;animation:scale-up .3s cubic-bezier(.34,1.56,.64,1)}@keyframes scale-up{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.modal-icon{width:80px;height:80px;border-radius:50%;background:#7aa2f71a;display:inline-flex;align-items:center;justify-content:center;margin-bottom:20px;color:var(--color-accent)}.modal-icon.winner-1{background:#ffffff0d;border:2px solid #555;color:#fff}.modal-icon.winner-2{background:#fffffff2;border:2px solid #ccc;color:#000}.modal-content h2{font-size:2rem;font-weight:800;margin-bottom:12px}.modal-content p{color:var(--text-secondary);margin-bottom:28px}.modal-buttons{display:flex;gap:12px;justify-content:center}.modal-buttons .btn{flex:1}.room-header-bar{display:flex;justify-content:space-between;align-items:center;width:100%;padding:16px 20px;background:#ffffff05;border:1px solid var(--glass-border);border-radius:14px}.room-meta{display:flex;align-items:center;gap:12px}.room-id-tag{background:#7aa2f726;color:var(--color-accent-hover);font-weight:800;font-size:1.1rem;padding:4px 12px;border-radius:8px;letter-spacing:.05em}.settings-bar{display:flex;justify-content:space-between;align-items:center;width:100%;margin-bottom:10px}.rule-indicator{display:flex;align-items:center;gap:6px;font-size:.9rem;color:var(--text-secondary)}.badge-info{background:#ff9e6426;color:var(--color-warning);font-weight:700;font-size:.75rem;padding:2px 8px;border-radius:6px}.audio-control{display:flex;align-items:center;gap:8px;cursor:pointer;color:var(--text-secondary);font-size:.9rem;-webkit-user-select:none;user-select:none}.terms-scroll-box::-webkit-scrollbar{width:4px}.terms-scroll-box::-webkit-scrollbar-track{background:transparent}.terms-scroll-box::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:2px}.terms-scroll-box::-webkit-scrollbar-thumb:hover{background:#ffffff40}.chess-board-container{display:flex;flex-direction:column;align-items:center;margin:0 auto}.chess-grid-wrapper{display:flex;position:relative}.chess-col-labels,.chess-row-labels{display:flex;font-family:monospace;font-size:.8rem;color:var(--text-muted);-webkit-user-select:none;user-select:none}.chess-col-labels{width:100%;justify-content:space-around}.chess-col-labels.header-row{margin-bottom:6px}.chess-col-labels.footer-row{margin-top:6px}.chess-col-labels .coord-label{width:50px;text-align:center}.chess-col-labels .corner-label{width:25px}.chess-row-labels{flex-direction:column;justify-content:space-around;width:25px}.chess-row-labels.left-col{margin-right:6px;text-align:right;padding-right:4px}.chess-row-labels.right-col{margin-left:6px;text-align:left;padding-left:4px}.chess-row-labels .coord-label{height:50px;display:flex;align-items:center;justify-content:center}.chess-board-grid{display:grid;grid-template-columns:repeat(8,50px);grid-template-rows:repeat(8,50px);border:4px solid var(--glass-border);border-radius:12px;overflow:hidden;box-shadow:0 10px 30px #00000080;background:var(--glass-bg)}@media (min-width: 768px){.chess-board-grid{grid-template-columns:repeat(8,65px);grid-template-rows:repeat(8,65px)}.chess-row-labels .coord-label{height:65px}.chess-col-labels .coord-label{width:65px}}.chess-cell{position:relative;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.chess-cell.light-tile{background:#ffffff14}.chess-cell.dark-tile{background:#00000059}.chess-cell:hover{background:#7aa2f733}.chess-cell.selected-tile{background:#7aa2f766!important;box-shadow:inset 0 0 12px #7aa2f799}.chess-cell.last-move-tile{box-shadow:inset 0 0 8px #ff9e6480;background:#ff9e6426}.move-indicator-dot{position:absolute;width:14px;height:14px;background:#9ece6ab3;border-radius:50%;pointer-events:none;z-index:5;box-shadow:0 0 8px #9ece6acc;animation:pulse 1.5s infinite}.move-indicator-dot.capture-ring{width:80%;height:80%;background:transparent;border:4px solid rgba(247,118,142,.8);box-shadow:0 0 8px #f7768ecc;animation:none}.chess-piece{font-size:2.2rem;-webkit-user-select:none;user-select:none;z-index:2;transition:transform .2s cubic-bezier(.175,.885,.32,1.275)}@media (min-width: 768px){.chess-piece{font-size:3rem}}.chess-piece:hover{transform:scale(1.15)}.chess-piece.white-piece{color:#f8f8f2;text-shadow:0 2px 5px rgba(255,255,255,.3),0 0 10px rgba(255,255,255,.15)}.chess-piece.black-piece{color:#ff757f;text-shadow:0 2px 5px rgba(247,118,142,.4),0 0 10px rgba(247,118,142,.2)}.baduk-wrapper{display:flex;flex-direction:column;align-items:center;gap:20px;width:100%}.baduk-score-board{display:flex;justify-content:space-around;align-items:center;width:100%;max-width:500px;background:#0000004d;border:1px solid var(--glass-border);border-radius:12px;padding:12px 16px;box-shadow:0 4px 15px #0003}.score-item{display:flex;flex-direction:column;align-items:center;gap:4px}.score-item .stone-indicator{width:24px;height:24px;border-radius:50%;box-shadow:0 2px 5px #0000004d}.score-item.black-team .stone-indicator{background:#111;border:1px solid rgba(255,255,255,.1)}.score-item.white-team .stone-indicator{background:#eee;border:1px solid rgba(0,0,0,.2)}.score-item .team-name{font-size:.8rem;font-weight:700;color:var(--text-secondary)}.score-item .captured-counter{font-size:.9rem}.score-item .komi-label{font-size:.7rem;color:var(--text-muted)}.score-divider{font-size:1rem;font-weight:800;color:var(--text-muted)}.baduk-board-container{max-width:100%;overflow-x:auto}.baduk-board-grid{background:linear-gradient(135deg,var(--board-wood-start),var(--board-wood-end))!important;border:6px solid var(--board-border)!important;box-shadow:0 15px 35px #00000080!important;border-radius:8px}#baduk-board-9{width:320px;height:320px}#baduk-board-13{width:400px;height:400px}#baduk-board-19{width:480px;height:480px}@media (min-width: 768px){#baduk-board-9{width:450px;height:450px}#baduk-board-13{width:500px;height:500px}#baduk-board-19{width:550px;height:550px}}.baduk-cell{position:relative;display:flex;align-items:center;justify-content:center;cursor:pointer}.baduk-controls{margin-top:10px;width:100%;max-width:500px}.btn-pass{width:100%;padding:12px;font-weight:700}.game-select-buttons button{transition:all .3s cubic-bezier(.4,0,.2,1)}.game-select-buttons button:hover{transform:translateY(-2px)}.lobby-social-section{display:grid;grid-template-columns:1fr 340px;gap:20px;width:100%;max-width:900px;margin-top:0}.lobby-chat-panel,.lobby-users-panel{display:flex;flex-direction:column;padding:20px;gap:14px;min-height:320px;max-height:380px}.lobby-social-title{display:flex;align-items:center;justify-content:space-between;font-size:1rem;font-weight:700;color:var(--text-primary);margin-bottom:2px}.lobby-online-badge{font-size:.75rem;font-weight:600;padding:3px 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lb-detail-in{0%{opacity:0;transform:translate(15px)}to{opacity:1;transform:translate(0)}}.lb-detail-header{display:flex;justify-content:space-between;align-items:center;gap:8px}.lb-detail-title{font-size:1.1rem;font-weight:700;color:gold;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.lb-detail-close-btn{background:transparent;border:none;color:var(--text-muted);cursor:pointer;padding:4px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s,color .2s}.lb-detail-close-btn:hover{background:#ffffff14;color:var(--text-primary)}.lb-detail-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;background:#00000040;padding:10px;border-radius:12px;text-align:center;border:1px solid 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th{text-align:left;padding:8px 6px;color:var(--text-muted);font-weight:600;border-bottom:1px solid rgba(255,255,255,.06);font-size:.72rem;letter-spacing:.05em}.lb-history-table td{padding:8px 6px;border-bottom:1px solid rgba(255,255,255,.03);color:var(--text-primary);vertical-align:middle}.lb-hist-game{font-weight:600;color:var(--text-secondary)}.lb-hist-opp{font-weight:600;max-width:80px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lb-hist-result-badge{font-weight:700;padding:2px 6px;border-radius:4px;text-align:center;display:inline-block;font-size:.72rem;min-width:38px}.lb-hist-result-badge.win{background:#9ece6a26;color:var(--color-success)}.lb-hist-result-badge.loss{background:#f7768e1a;color:var(--color-danger)}.lb-hist-result-badge.draw{background:#ffffff0f;color:var(--text-muted)}.lb-hist-date{color:var(--text-muted);font-size:.75rem}.lb-detail-empty,.lb-detail-error{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:32px 16px;color:var(--text-muted);text-align:center;font-size:.85rem;background:#00000026;border-radius:12px;margin-top:8px}.lb-detail-loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:48px 16px;color:var(--text-muted)}@media (max-width: 768px){.lb-modal-layout{flex-direction:column;overflow-y:auto}.lb-modal-detail{width:100%;min-width:0;border-left:none;border-top:1px solid rgba(255,255,255,.08);padding-left:0;padding-top:16px}}