:root{--bg: #f6ecd6;--bg-deep: #ead9b0;--board: #e8c896;--board-line: #5a3a1f;--board-edge: #8b5a2b;--ink: #1a1410;--ivory: #fafaf2;--vermilion: #c8443a;--gold: #d4af37;--jade: #4a7c59;--slate: #6e6259;--accent: var(--vermilion);--accent-soft: rgba(200, 68, 58, .1);--accent-soft-border: rgba(200, 68, 58, .35);--cream: #fbf5e3;--line: rgba(90, 58, 31, .18);--font-display: "Jua", system-ui, sans-serif;--font-body: "Noto Serif KR", "Apple SD Gothic Neo", system-ui, serif;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--shadow-card: 0 4px 16px rgba(90, 58, 31, .12), 0 1px 3px rgba(90, 58, 31, .08);--shadow-lift: 0 8px 24px rgba(90, 58, 31, .18), 0 2px 6px rgba(90, 58, 31, .1)}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:var(--font-body);background:var(--bg);color:var(--ink);background-image:radial-gradient(circle at 20% 30%,rgba(139,90,43,.04) 0%,transparent 50%),radial-gradient(circle at 80% 70%,rgba(139,90,43,.04) 0%,transparent 50%);-webkit-tap-highlight-color:transparent;overflow:hidden}button{font-family:var(--font-display);cursor:pointer;border:none;background:transparent}input{font-family:var(--font-body);font-size:18px}.app{height:100%;display:flex;flex-direction:column;position:relative}.topbar{display:flex;justify-content:space-between;align-items:center;padding:14px 20px 8px;border-bottom:1px solid rgba(90,58,31,.08)}.topbar .brand{font-family:var(--font-display);font-size:22px;color:var(--ink);letter-spacing:-.5px}.topbar .brand .accent{color:var(--vermilion)}.conn-dot{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--slate)}.conn-dot:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--slate)}.conn-dot.online:before{background:var(--jade);box-shadow:0 0 6px var(--jade)}.screen{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:20px;overflow:auto}.lobby{width:100%;max-width:420px;display:flex;flex-direction:column;gap:22px}.lobby-title{font-family:var(--font-display);font-size:48px;text-align:center;color:var(--ink);line-height:1.1;margin-bottom:4px}.lobby-title .accent{color:var(--vermilion)}.lobby-subtitle{text-align:center;color:var(--slate);font-size:15px;margin-bottom:8px}.field{display:flex;flex-direction:column;gap:6px}.field-label{font-family:var(--font-display);font-size:15px;color:var(--slate)}.field input{padding:14px 16px;background:#fff;border:2px solid rgba(90,58,31,.12);border-radius:var(--radius-md);transition:border-color .15s,transform .1s}.field input:focus{outline:none;border-color:var(--ink)}.field.error input{border-color:var(--vermilion);animation:shake .3s}.field-error{font-size:13px;color:var(--vermilion);font-family:var(--font-display);min-height:16px}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.btn{padding:14px 18px;border-radius:var(--radius-md);font-size:17px;font-weight:500;letter-spacing:.3px;transition:transform .1s,box-shadow .15s,background .15s;display:flex;align-items:center;justify-content:center;gap:8px}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--ink);color:var(--bg);box-shadow:var(--shadow-card)}.btn-primary:hover{background:#2a2018;box-shadow:var(--shadow-lift)}.btn-secondary{background:#fff;color:var(--ink);border:2px solid rgba(90,58,31,.15)}.btn-secondary:hover{border-color:var(--ink)}.btn-ghost{background:transparent;color:var(--slate);font-size:14px}.btn-ghost:hover{color:var(--ink)}.btn-danger{background:var(--vermilion);color:#fff}.btn-row{display:flex;gap:10px}.btn-row>.btn{flex:1}.code-input{text-transform:uppercase;font-family:var(--font-display);letter-spacing:6px;font-size:22px!important;text-align:center}.matching{display:flex;flex-direction:column;align-items:center;gap:24px}.matching-stone{width:80px;height:80px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#555 0%,var(--ink) 70%);box-shadow:0 6px 20px #00000040,inset -4px -4px 8px #0000004d;animation:pulse 1.6s ease-in-out infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:.9}50%{transform:scale(1.08);opacity:1}}.matching-text{font-family:var(--font-display);font-size:22px;text-align:center}.matching-sub{color:var(--slate);font-size:14px}.game{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;gap:12px;padding:8px 12px}.players{width:100%;max-width:640px;display:flex;gap:10px;align-items:stretch}.player-card{flex:1;display:flex;align-items:center;gap:10px;padding:10px 14px;background:#fff;border-radius:var(--radius-md);border:2px solid transparent;transition:border-color .2s,transform .2s}.player-card.active{border-color:var(--vermilion);transform:translateY(-1px);box-shadow:0 4px 12px #c8443a26}.player-stone{width:26px;height:26px;border-radius:50%;flex-shrink:0}.player-stone.black{background:radial-gradient(circle at 35% 30%,#555 0%,var(--ink) 70%)}.player-stone.white{background:radial-gradient(circle at 35% 30%,#fff,#ddd 80%);border:1px solid #bbb}.player-name{font-family:var(--font-display);font-size:16px;color:var(--ink)}.player-tag{font-size:12px;color:var(--slate)}.turn-arrow{display:flex;align-items:center;justify-content:center;width:28px;font-size:20px;color:var(--vermilion);opacity:0;transition:opacity .2s}.turn-arrow.show{opacity:1}.board-wrap{flex:1;display:flex;align-items:center;justify-content:center;width:100%;max-width:640px;min-height:0}.game-actions{display:flex;gap:10px;width:100%;max-width:640px}.game-actions .btn{flex:1;padding:10px 12px;font-size:14px}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#1a141080;display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg);border-radius:var(--radius-lg);padding:28px;max-width:380px;width:100%;box-shadow:var(--shadow-lift);text-align:center}.modal-title{font-family:var(--font-display);font-size:26px;margin-bottom:14px}.modal-text{color:var(--slate);margin-bottom:18px;font-size:15px;line-height:1.5}.room-code{font-family:var(--font-display);font-size:42px;letter-spacing:8px;background:#fff;border-radius:var(--radius-md);padding:16px;margin:16px 0;border:2px dashed var(--board-edge)}.modal-actions{display:flex;gap:10px;justify-content:center;margin-top:12px}.gameover-icon{font-size:56px;margin-bottom:8px}.gameover-result{font-family:var(--font-display);font-size:32px;color:var(--ink)}.gameover-result.win{color:var(--vermilion)}.toasts{position:fixed;top:16px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;gap:8px;z-index:200;pointer-events:none}.toast{background:var(--ink);color:var(--bg);padding:10px 18px;border-radius:var(--radius-md);font-size:14px;font-family:var(--font-display);box-shadow:var(--shadow-lift);animation:toastIn .2s;pointer-events:auto;max-width:360px}.toast.error{background:var(--vermilion);color:#fff}.toast.success{background:var(--jade);color:#fff}@keyframes toastIn{0%{transform:translateY(-12px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 480px){.lobby-title{font-size:38px}.player-name{font-size:14px}.room-code{font-size:32px;letter-spacing:6px}}.clock{display:flex;flex-direction:column;align-items:flex-end;gap:2px;padding:6px 10px;border-radius:10px;background:#0000000a;font-variant-numeric:tabular-nums;min-width:70px;transition:background .2s,color .2s}.clock.active{background:var(--accent-soft);color:var(--accent)}.clock.low .clock-main{color:var(--accent);animation:pulse 1s ease-in-out infinite}.clock.reserve .clock-main{text-decoration:line-through;opacity:.4}.clock.reserve .clock-reserve{color:var(--accent);font-weight:700}.clock-main{font-family:"Press Start 2P",Jua,monospace;font-size:14px;font-weight:700;color:var(--ink);line-height:1.1}.clock-reserve{font-size:10px;color:var(--slate);font-family:"Press Start 2P",Jua,monospace;line-height:1}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.player-rating{color:var(--accent);font-weight:600}.rating-badge{display:inline-block;margin-left:10px;padding:2px 8px;border-radius:10px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:600;vertical-align:middle}.rating-result{margin-top:14px;padding:10px 14px;border-radius:10px;background:var(--cream);color:var(--ink);font-size:15px;text-align:center}.rating-result strong{font-size:18px;color:var(--accent)}.delta-up{color:#2d8c3f;font-weight:700}.delta-down{color:var(--accent);font-weight:700}.record-list{display:flex;flex-direction:column;gap:8px;margin:16px 0 20px}.record-card{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:12px;border:2px solid var(--line);background:#fff;cursor:pointer;text-align:left;font-family:inherit;transition:transform .12s,border-color .12s,box-shadow .12s}.record-card:hover{border-color:var(--accent);transform:translateY(-1px);box-shadow:0 4px 14px #c4383514}.record-main{flex:1;min-width:0}.record-players{display:flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}.record-stone-mini{width:14px;height:14px;border-radius:50%;flex-shrink:0}.record-stone-mini.black{background:radial-gradient(circle at 35% 30%,#555,#1a1a1a 60%,#000)}.record-stone-mini.white{background:radial-gradient(circle at 35% 30%,#fff,#e8e8e8 60%,#c8c8c8);border:1px solid #b0b0b0}.record-vs{color:var(--slate);font-size:12px;font-weight:500;padding:0 2px}.record-meta{margin-top:4px;font-size:12px;color:var(--slate)}.record-arrow{font-size:14px;color:var(--accent);flex-shrink:0}.replay-header{text-align:center;margin-bottom:8px}.replay-title{font-family:Jua,sans-serif;font-size:22px;color:var(--ink)}.replay-result{margin-top:4px;font-size:14px;color:var(--accent);font-weight:600}.replay-controls{display:flex;gap:6px;margin-top:12px;justify-content:center}.replay-controls .btn{padding:10px 14px;font-size:14px;min-width:0}.replay-controls .btn-primary{flex:1;max-width:180px}.replay-progress{text-align:center;margin-top:8px;font-size:13px;color:var(--slate);font-variant-numeric:tabular-nums}.player-tag{white-space:nowrap}.profile-card{margin:4px 0 16px;padding:14px 16px;border-radius:14px;background:linear-gradient(135deg,var(--cream) 0%,white 100%);border:1.5px solid var(--line);display:flex;flex-direction:column;gap:8px}.profile-row{display:flex;justify-content:space-between;align-items:baseline;font-size:14px}.profile-label{color:var(--slate);font-weight:500}.profile-value{font-weight:700;color:var(--ink);font-size:16px}.profile-meta{font-size:12px;color:var(--slate);font-weight:500}.stat-w{color:#2d8c3f}.stat-l{color:var(--accent)}.stat-d{color:var(--slate)}.mode-toggle{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:6px 0 14px}.mode-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:14px 10px;border-radius:12px;border:2px solid var(--line);background:#fff;cursor:pointer;font-family:inherit;transition:all .15s;color:var(--ink)}.mode-btn:hover{border-color:var(--accent-soft-border);background:var(--cream)}.mode-btn.active{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 4px 12px #c438351f}.mode-icon{font-size:24px;line-height:1}.mode-name{font-family:Jua,sans-serif;font-size:17px;color:var(--ink)}.mode-btn.active .mode-name{color:var(--accent)}.mode-time{font-size:11px;color:var(--slate);font-variant-numeric:tabular-nums}.matching-mode{margin:8px 0 2px;padding:6px 14px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:13px;font-weight:600}