@font-face{font-family:DungGeunMo;src:url(/fonts/DungGeunMo.woff2) format("woff2"),url(/fonts/DungGeunMo.woff) format("woff"),url(/fonts/DungGeunMo.eot) format("embedded-opentype");font-weight:400;font-style:normal;font-display:swap}:root{--bg-sky: #cfe8ff;--bg-ground: #b8e3a8;--bg-track: #e8c38a;--school-wall: #fff5d6;--school-roof: #d76b5d;--ink: #2a2a2a;--ink-soft: #555;--sidebar-bg: #ffffffee;--sidebar-border: #e4e4e4;--accent: #ff8a4c;--bubble-bg: #fff;--bubble-border: #333}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;font-family:DungGeunMo,Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;color:var(--ink);background:var(--bg-sky)}#app{display:flex;height:100vh;width:100%;overflow:hidden}.copyright{position:fixed;top:10px;left:12px;z-index:50;font-size:13px;color:var(--ink-soft);background:#ffffffb3;padding:4px 8px;border-radius:6px;letter-spacing:-.2px;pointer-events:auto;user-select:none}.copyright a{color:var(--accent);text-decoration:none}.copyright a:hover{text-decoration:underline}#scene{flex:1 1 0;min-width:0;width:100%;height:100%;display:block;background:var(--bg-sky);touch-action:none}#sidebar{width:320px;min-width:320px;height:100vh;background:var(--sidebar-bg);border-left:1px solid var(--sidebar-border);display:flex;flex-direction:column;backdrop-filter:blur(8px);overflow:hidden}.sidebar-header,.notice-banner,#chat-form{flex:0 0 auto}.sidebar-header{padding:16px;border-bottom:1px solid var(--sidebar-border);flex:0 0 auto}.title-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.sidebar-header h1{margin:0;font-size:20px;letter-spacing:-.3px}#help-btn{width:32px;height:32px;border-radius:50%;border:3px solid var(--ink);background:#fff;color:var(--ink);font-weight:800;font-size:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0;line-height:1;flex-shrink:0;box-shadow:0 6px 0 var(--ink);transition:transform .08s,box-shadow .08s,background .12s;user-select:none;margin-bottom:2px}#help-btn:hover{background:var(--accent);color:#fff;border-color:var(--ink)}#help-btn:active{transform:translateY(5px);box-shadow:0 1px 0 var(--ink)}.tagline{margin:4px 0 12px;font-size:12px;color:var(--ink-soft)}.help-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px}.help-modal[hidden]{display:none}.help-backdrop{position:absolute;inset:0;background:#00000073;backdrop-filter:blur(2px);cursor:pointer}.help-card{position:relative;background:#fff;border:2px solid var(--ink);border-radius:14px;box-shadow:0 10px 30px #00000040;padding:22px 22px 18px;max-width:420px;width:100%;max-height:85vh;overflow-y:auto;animation:helpPop .18s ease-out}@keyframes helpPop{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.help-card h2{margin:0 0 12px;font-size:18px;padding-right:28px}.help-close{position:absolute;top:10px;right:10px;width:30px;height:30px;border:none;background:transparent;font-size:22px;line-height:1;cursor:pointer;color:var(--ink-soft);border-radius:6px}.help-close:hover{background:#f0f0f0;color:var(--ink)}.help-list{margin:0 0 10px;padding-left:20px;font-size:14px;line-height:1.6}.help-list li{margin-bottom:6px}.help-list b{color:var(--accent)}.help-tip{margin:10px 0 0;font-size:13px;color:var(--ink-soft);background:#fff5ec;border-radius:8px;padding:8px 10px}.help-sub{margin:16px 0 4px;font-size:14px;color:var(--ink)}.help-meta{margin:0 0 8px;font-size:12.5px;color:var(--ink-soft);line-height:1.5}.level-list{list-style:none;padding:0;margin:0;font-size:13px;line-height:1.5;border:1px solid var(--sidebar-border);border-radius:8px;overflow:hidden}.level-list li{display:flex;align-items:baseline;gap:8px;padding:6px 10px;border-bottom:1px solid #f0f0f0}.level-list li:last-child{border-bottom:none}.level-list li:nth-child(odd){background:#fafafa}.level-list .lv{font-weight:700;color:var(--accent);min-width:46px}.level-list .lv-time{color:var(--ink-soft);font-size:12px;min-width:76px}.emoji-card .emoji-hint{margin:0 0 10px;font-size:13px;color:var(--ink-soft)}.emoji-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.emoji-btn{font-size:22px;padding:6px 0;border:1.5px solid var(--sidebar-border);background:#fff;border-radius:8px;cursor:pointer;transition:transform .1s,background .1s;line-height:1}.emoji-btn:hover{background:#fff5ec;border-color:var(--accent);transform:scale(1.1)}.emoji-btn.selected{border-color:var(--accent);background:#fff5ec;box-shadow:0 0 0 2px #ff8a4c33}.picker-sub{margin:14px 0 6px;font-size:13px;color:var(--ink)}.swatch-row{display:flex;flex-wrap:wrap;gap:6px}.swatch-btn{width:26px;height:26px;border-radius:50%;border:2px solid #ccc;cursor:pointer;padding:0;transition:transform .1s,border-color .1s}.swatch-btn:hover{transform:scale(1.12);border-color:var(--ink)}.swatch-btn.selected{border-color:var(--accent);box-shadow:0 0 0 2px #ff8a4c40}.swatch-custom{position:relative;width:26px;height:26px;border-radius:50%;border:2px dashed #999;cursor:pointer;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff9aa2,#ffdf80,#9ee493,#8ecae6,#c3a6ff);transition:transform .1s,border-color .1s}.swatch-custom:hover{transform:scale(1.12);border-color:var(--ink)}.swatch-custom input[type=color]{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer;border:none;padding:0;background:transparent}.swatch-custom-ring{font-size:13px;pointer-events:none;text-shadow:0 1px 1px rgba(0,0,0,.2)}.admin-panel{position:fixed;bottom:16px;right:16px;z-index:900;width:320px;max-width:calc(100% - 32px);background:#fff;border:2px solid var(--ink);border-radius:12px;box-shadow:0 6px 20px #00000040;padding:14px;font-size:13px;animation:helpPop .2s ease-out}.admin-panel[hidden]{display:none}.admin-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.admin-badge{font-weight:700;color:var(--accent);font-size:14px}#admin-close{width:26px;height:26px;border:none;background:transparent;font-size:20px;line-height:1;cursor:pointer;color:var(--ink-soft);border-radius:6px}#admin-close:hover{background:#f0f0f0;color:var(--ink)}.admin-label{display:block;margin-bottom:4px;font-size:12px;color:var(--ink-soft)}#admin-notice-input{width:100%;font-family:inherit;font-size:13px;padding:6px 10px;border:1.5px solid var(--sidebar-border);border-radius:6px;resize:vertical;min-height:44px;outline:none;box-sizing:border-box}#admin-notice-input:focus{border-color:var(--accent)}.admin-select{width:100%;padding:7px 10px;font-family:inherit;font-size:13px;border:1.5px solid var(--sidebar-border);border-radius:6px;background:#fff;outline:none;box-sizing:border-box}.admin-select:focus{border-color:var(--accent)}.admin-actions{display:flex;gap:6px;margin-top:10px}.admin-btn{flex:1;padding:8px 10px;border-radius:6px;border:1.5px solid var(--sidebar-border);background:#fff;font-family:inherit;font-size:13px;cursor:pointer}.admin-btn:hover{background:#f5f5f5}.admin-btn.primary{background:var(--accent);color:#fff;border-color:var(--accent);font-weight:600}.admin-btn.primary:hover{filter:brightness(1.05);background:var(--accent)}.admin-hint{margin:8px 0 0;font-size:11px;color:var(--ink-soft)}@media (max-width: 640px){.admin-panel{bottom:8px;right:8px;left:8px;width:auto}}#me-avatar{cursor:pointer;transition:transform .1s}#me-avatar:hover{transform:scale(1.08)}#scene{cursor:default}#scene.pointer-on-self{cursor:pointer}.me-row{display:flex;align-items:center;gap:8px;margin-bottom:8px}.me-avatar{width:32px;height:32px;border-radius:50%;display:inline-block;border:2px solid var(--ink);flex-shrink:0}#me-name{flex:1;font-size:14px;padding:6px 10px;border:1px solid var(--sidebar-border);border-radius:6px;outline:none}#me-name:focus{border-color:var(--accent)}#me-refresh{border:1px solid var(--sidebar-border);background:#fff;border-radius:6px;width:32px;height:32px;font-size:16px;cursor:pointer}#me-refresh:hover{background:#f5f5f5}.online-row{font-size:12px;color:var(--ink-soft);display:flex;align-items:center;gap:6px}.dot{width:8px;height:8px;border-radius:50%;background:#4caf50;display:inline-block;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.4}}.notice-banner{padding:8px 10px 0;background:var(--sidebar-bg);animation:noticeIn .25s ease-out}.notice-banner[hidden]{display:none}.notice-toggle{display:inline-flex;align-items:center;gap:6px;width:100%;padding:6px 10px;background:#fff7d6;border:1.5px solid #e8bf50;border-radius:10px;font-family:inherit;font-size:13px;font-weight:600;color:#7a5b00;cursor:pointer;transition:background .12s;text-align:left}.notice-toggle:hover{background:#fff1bc}.notice-title{flex-shrink:0}.notice-meta{margin-left:auto;font-size:11px;font-weight:400;color:#a38033;white-space:nowrap}.notice-chevron{font-size:12px;margin-left:6px;transition:transform .18s;flex-shrink:0}.notice-banner.collapsed .notice-chevron{transform:rotate(-90deg)}.notice-body{overflow:hidden;background:#fffcee;border:1.5px solid #e8bf50;border-top:none;border-radius:0 0 10px 10px;padding:10px 12px;margin:-1px 0 0;font-size:13px;line-height:1.5;color:#7a5b00;word-break:break-word;max-height:400px;transition:max-height .2s ease,padding .2s ease,opacity .15s}.notice-banner.collapsed .notice-body{max-height:0;padding-top:0;padding-bottom:0;opacity:0;border-width:0 1.5px}.notice-body a{color:#b86400;text-decoration:underline;word-break:break-all}@keyframes noticeIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}#chat-log{flex:1 1 0;min-height:0;height:0;overflow-y:auto;overscroll-behavior:contain;margin:0;padding:12px;list-style:none;display:flex;flex-direction:column;gap:8px;box-sizing:border-box}#chat-log>li:first-child{margin-top:auto}#chat-log li{font-size:13px;line-height:1.45;padding:8px 10px;background:#f7f7f7;border-radius:8px;word-break:break-word;animation:slideIn .2s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}#chat-log li .msg-header{display:flex;justify-content:space-between;align-items:baseline;gap:6px;margin-bottom:2px}#chat-log li .name{font-weight:600}#chat-log li .time{font-size:11px;color:var(--ink-soft);flex-shrink:0}#chat-log li .text{display:block;line-height:1.45}#chat-log li .text a{color:var(--accent);text-decoration:underline;word-break:break-all}#chat-log li .text a:hover{filter:brightness(.9)}#chat-log li.system{text-align:center;background:transparent;color:var(--ink-soft);font-size:12px;padding:4px}#chat-form{display:flex;align-items:center;gap:6px;padding:6px 8px;height:44px;box-sizing:border-box;border-top:1px solid var(--sidebar-border);flex:0 0 auto}#chat-input{flex:1;min-width:0;height:32px;line-height:1;padding:0 10px;font-size:13px;border:1px solid var(--sidebar-border);border-radius:6px;outline:none;box-sizing:border-box}#chat-input:focus{border-color:var(--accent)}#chat-form button{height:32px;line-height:1;padding:0 14px;background:var(--accent);color:#fff;border:none;border-radius:6px;font-weight:600;cursor:pointer;box-sizing:border-box}#chat-form button:hover{filter:brightness(1.05)}@media (max-width: 640px){#app{flex-direction:column}#sidebar{width:100%;min-width:0;height:45vh;border-left:none;border-top:1px solid var(--sidebar-border)}#scene{height:55vh;flex:none}.sidebar-header{padding:12px}.sidebar-header h1{font-size:17px}.tagline{font-size:11px;margin:3px 0 10px}#help-btn{width:24px;height:24px;font-size:13px}.help-modal{padding:12px;align-items:flex-end}.help-card{padding:18px 16px 14px;border-radius:14px 14px 12px 12px;max-height:80vh}.help-card h2{font-size:16px}.help-list{font-size:13px;padding-left:18px}.help-tip{font-size:12px}.help-close{top:8px;right:8px}.emoji-grid{grid-template-columns:repeat(5,1fr)}.emoji-btn{font-size:20px;padding:4px 0}.copyright{font-size:12px;top:6px;left:6px;padding:3px 6px;max-width:calc(100% - 12px)}}@media (max-width: 640px) and (orientation: landscape){#sidebar,#scene{height:50vh}}