@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--radius: 12px;--radius-sm: 8px;--shadow: 0 4px 20px rgba(0, 0, 0, .3);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #252540;--bg-input: #2a2a4a;--bg-stamp-event: rgba(124, 91, 240, .08);--text-primary: #e8e8f0;--text-secondary: #b0b0cc;--accent: #7c5bf0;--accent-hover: #9371ff;--accent-dim: rgba(124, 91, 240, .15);--border: #363655;--error: #ff5757;--success: #4caf50;--stamp-ok: #4caf50;--stamp-ng: #ff5757;--stamp-progress: #ffa726;--stamp-blocked: #ff5757}[data-theme=dark]{--bg-primary: #0f0f1a;--bg-secondary: #1a1a2e;--bg-card: #252540;--bg-input: #2a2a4a;--bg-stamp-event: rgba(124, 91, 240, .08);--text-primary: #e8e8f0;--text-secondary: #b0b0cc;--accent: #7c5bf0;--accent-hover: #9371ff;--accent-dim: rgba(124, 91, 240, .15);--border: #363655;--error: #ff5757;--success: #4caf50;--stamp-ok: #4caf50;--stamp-ng: #ff5757;--stamp-progress: #ffa726;--stamp-blocked: #ff5757}[data-theme=light]{--bg-primary: #f5f5fa;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-input: #f0f0f5;--bg-stamp-event: rgba(124, 91, 240, .06);--text-primary: #1a1a2e;--text-secondary: #6b6b8a;--accent: #7c5bf0;--accent-hover: #6a4bd8;--accent-dim: rgba(124, 91, 240, .1);--border: #e0e0ea;--error: #e53935;--success: #43a047;--stamp-ok: #43a047;--stamp-ng: #e53935;--stamp-progress: #f57c00;--stamp-blocked: #e53935;--shadow: 0 4px 20px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}.app-container{display:flex;flex-direction:column;height:100dvh;max-width:860px;margin:0 auto;overflow:hidden}.app-header{padding:16px 24px;background:linear-gradient(135deg,var(--bg-secondary),var(--bg-card));border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.header-left{display:flex;align-items:baseline;gap:12px}.app-header h1{font-size:20px;font-weight:700;background:linear-gradient(135deg,#7c5bf0,#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.room-label{font-size:12px;color:var(--text-secondary);background:var(--accent-dim);padding:2px 10px;border-radius:20px}.clear-btn{background:none;border:1px solid transparent;border-radius:var(--radius-sm);padding:6px 10px;font-size:16px;cursor:pointer;transition:all .15s ease;display:flex;align-items:center;justify-content:center}.clear-btn:hover{background:#ff575726;border-color:var(--error)}.clear-btn:active{transform:scale(.9)}.clear-btn--confirm{background:var(--error);color:#fff;border-color:var(--error);font-size:12px;font-weight:600;font-family:var(--font);padding:6px 12px;animation:pulse 1s ease-in-out infinite}.demo-notice{padding:10px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:6px}.demo-notice-item{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-secondary);line-height:1.4}.demo-notice-item strong{color:var(--text-primary);font-weight:600}.demo-notice-icon{flex-shrink:0;font-size:14px}.demo-notice-warning{color:#ffa726}.demo-notice-warning strong{color:#ffcc80}.chat-area{flex:1;overflow-y:auto;padding:16px 24px;display:flex;flex-direction:column;gap:12px}.chat-area::-webkit-scrollbar{width:6px}.chat-area::-webkit-scrollbar-track{background:transparent}.chat-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.message-list{display:flex;flex-direction:column;gap:14px}.empty-state{text-align:center;color:var(--text-secondary);font-size:14px;padding:40px 0}.loading-state{text-align:center;color:var(--text-secondary);font-size:14px;padding:40px 0;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.message-item{background:var(--bg-card);border-radius:var(--radius);padding:14px 18px;position:relative;transition:background .2s ease;border:1px solid transparent}.message-item:hover{border-color:var(--border);background:var(--bg-input)}.message-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.sender{font-size:13px;font-weight:600;color:var(--accent)}.time{font-size:12px;color:var(--text-secondary)}.message-body{font-size:14px;color:var(--text-primary);word-wrap:break-word}.stamp-react-btn{position:absolute;right:8px;bottom:8px;background:var(--accent-dim);border:none;border-radius:6px;padding:4px 8px;font-size:14px;cursor:pointer;opacity:0;transition:opacity .2s ease,transform .15s ease}.message-item:hover .stamp-react-btn{opacity:1}.stamp-react-btn:hover{transform:scale(1.15);background:var(--accent)}.stamp-item{display:flex;align-items:center;gap:8px;padding:8px 16px;font-size:13px;color:var(--text-secondary);background:var(--bg-stamp-event);border-radius:var(--radius-sm);border-left:3px solid var(--accent-dim)}.stamp-emoji{font-size:20px}.stamp-image{width:28px;height:28px;object-fit:contain;border-radius:4px}.stamp-label{font-size:12px;color:var(--text-secondary);background:var(--accent-dim);padding:2px 8px;border-radius:10px;transition:background .2s ease,color .2s ease}.stamp-item[data-action=ok] .stamp-label,.stamp-item[data-action=done] .stamp-label,.stamp-item[data-action=approve] .stamp-label,.stamp-item[data-action=confirm] .stamp-label{background:#4caf5033;color:var(--stamp-ok)}.stamp-item[data-action=ok],.stamp-item[data-action=done],.stamp-item[data-action=approve],.stamp-item[data-action=confirm]{border-left-color:var(--stamp-ok)}.stamp-item[data-action=ng] .stamp-label,.stamp-item[data-action=blocked] .stamp-label,.stamp-item[data-action=cancel] .stamp-label{background:#ff575733;color:var(--stamp-ng)}.stamp-item[data-action=ng],.stamp-item[data-action=blocked],.stamp-item[data-action=cancel]{border-left-color:var(--stamp-ng)}.stamp-item[data-action=progress] .stamp-label{background:#ffa72633;color:var(--stamp-progress)}.stamp-item[data-action=progress]{border-left-color:var(--stamp-progress)}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.message-item,.stamp-item{animation:fadeIn .3s ease}.stamp-picker-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:flex-end;justify-content:center;z-index:100;animation:fadeOverlay .2s ease}@keyframes fadeOverlay{0%{opacity:0}to{opacity:1}}.stamp-picker{background:var(--bg-secondary);border-top:1px solid var(--border);border-radius:var(--radius) var(--radius) 0 0;padding:16px;max-height:50vh;width:100%;max-width:860px;overflow-y:auto;box-shadow:var(--shadow);animation:slideUp .25s ease}@keyframes slideUp{0%{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}.stamp-picker-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.stamp-picker-header h3{font-size:14px;font-weight:600}.close-btn{background:none;border:none;color:var(--text-secondary);font-size:18px;cursor:pointer;padding:8px;min-width:36px;min-height:36px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:background .15s ease,color .15s ease}.close-btn:hover{color:var(--text-primary);background:var(--accent-dim)}.picker-loading,.picker-empty{text-align:center;color:var(--text-secondary);font-size:13px;padding:16px 0}.stamp-category{margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border)}.stamp-category:last-child{margin-bottom:0;padding-bottom:0;border-bottom:none}.category-label{font-size:12px;font-weight:600;text-transform:uppercase;color:var(--text-secondary);letter-spacing:.5px;margin-bottom:8px}.stamp-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(72px,1fr));gap:6px}.stamp-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:8px 4px;border:1px solid transparent;border-radius:var(--radius-sm);background:var(--bg-card);cursor:pointer;transition:all .15s ease}.stamp-btn:hover{border-color:var(--accent);background:var(--accent-dim);transform:scale(1.08)}.stamp-btn:active{transform:scale(.95)}.stamp-icon{font-size:24px}.stamp-icon-img{width:36px;height:36px;object-fit:contain;border-radius:4px}.stamp-name{font-size:11px;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:64px}.error-banner{background:#ff575726;color:var(--error);padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;text-align:center}.input-area{padding:12px 24px;background:var(--bg-secondary);border-top:1px solid var(--border)}.message-input{display:flex;gap:8px}.message-input input{flex:1;padding:10px 16px;border-radius:24px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-primary);font-size:14px;font-family:var(--font);outline:none;transition:border-color .2s ease}.message-input input:focus{border-color:var(--accent)}.message-input input::placeholder{color:var(--text-secondary)}.message-input button{padding:10px 20px;border:none;border-radius:24px;background:linear-gradient(135deg,var(--accent),#9371ff);color:#fff;font-weight:600;font-size:14px;font-family:var(--font);cursor:pointer;transition:transform .15s ease,opacity .2s ease}.message-input button:hover:not(:disabled){transform:scale(1.05)}.message-input button:active:not(:disabled){transform:scale(.95)}.message-input button:disabled{opacity:.4;cursor:not-allowed}@media(max-width:600px){.app-container{max-width:100%}.app-header{padding:12px 16px}.demo-notice{padding:8px 16px}.chat-area{padding:12px 16px}.input-area{padding:10px 16px}.sender{font-size:14px}.message-body{font-size:15px}.stamp-react-btn{opacity:.5}.stamp-react-btn:active{opacity:1;background:var(--accent)}}