:root{--bg: #f4f5f7;--surface: #ffffff;--border: #e2e4e9;--text: #1b1e23;--text-muted: #6b7280;--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-hover: #b91c1c;--unread: #2563eb;--radius: 10px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}button{font-family:inherit;cursor:pointer;border:none;border-radius:8px;padding:8px 14px;font-size:14px;background:var(--primary);color:#fff}button:hover{background:var(--primary-hover)}button:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--surface);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg)}.btn-danger{background:var(--danger)}.btn-danger:hover{background:var(--danger-hover)}.back-button{display:none;background:transparent;color:var(--text);padding:4px 8px;font-size:20px;line-height:1;flex-shrink:0}.back-button:hover{background:var(--bg)}input,textarea{font-family:inherit;font-size:14px;border:1px solid var(--border);border-radius:8px;padding:8px 10px;background:var(--surface);color:var(--text)}input:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}.centered-message{display:flex;align-items:center;justify-content:center;height:100%;color:var(--text-muted);padding:24px;text-align:center}.error-text{color:var(--danger);font-size:13px}.login-page{height:100%;display:flex;align-items:center;justify-content:center}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px;width:min(320px,90vw);display:flex;flex-direction:column;gap:14px}.login-card h1{margin:0 0 8px;font-size:20px}.login-card label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--text-muted)}.app-shell{display:flex;flex-direction:column;height:100%}.topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);flex-shrink:0}.topbar-title{font-weight:600}.topbar-admin{margin-left:auto;color:var(--text-muted);font-size:14px}.ws-indicator{width:8px;height:8px;border-radius:50%;background:#d1d5db}.ws-indicator.connected{background:#22c55e}.inbox-layout{display:grid;grid-template-columns:340px 1fr;flex:1;min-height:0}.ticket-list-pane{border-right:1px solid var(--border);display:flex;flex-direction:column;min-height:0;background:var(--surface)}.ticket-list-header{padding:12px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px;flex-shrink:0}.search-input{width:100%}.tabs{display:flex;gap:4px}.tab{background:transparent;color:var(--text-muted);padding:6px 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var(--border)}.ticket-item:hover{background:var(--bg)}.ticket-item.active{background:#eaf1ff}.ticket-item-body{min-width:0;flex:1;display:flex;flex-direction:column;gap:4px}.ticket-item-row{display:flex;align-items:center;justify-content:space-between;gap:8px}.ticket-item-name{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:flex;align-items:center;gap:6px}.ticket-item-time{font-size:12px;color:var(--text-muted);flex-shrink:0}.ticket-item-preview{font-size:13px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.unread-dot,.banned-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.unread-dot{background:var(--unread)}.banned-dot{background:var(--danger)}.avatar{width:40px;height:40px;border-radius:50%;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;flex-shrink:0}.ticket-detail-pane{display:flex;flex-direction:column;min-height:0}.ticket-detail-header{display:flex;align-items:center;gap:12px;padding:12px 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4px}.composer-error{margin-bottom:6px}.dialog-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100}.dialog{background:var(--surface);border-radius:var(--radius);padding:20px;width:min(320px,90vw);display:flex;flex-direction:column;gap:12px}.dialog h3{margin:0}.dialog textarea{width:100%}.dialog-actions{display:flex;justify-content:flex-end;gap:8px}@media (max-width: 768px){.topbar{padding:10px 12px;gap:8px}.topbar-admin{display:none}.inbox-layout{grid-template-columns:1fr}.ticket-list-pane{display:flex}.ticket-detail-pane,.inbox-layout.detail-open .ticket-list-pane{display:none}.inbox-layout.detail-open .ticket-detail-pane{display:flex}.back-button{display:inline-flex;align-items:center;justify-content:center}.ticket-detail-header{flex-wrap:wrap;padding:10px 12px}.ticket-detail-actions{margin-left:0;width:100%;flex-wrap:wrap}.ticket-detail-actions button{flex:1;min-width:0}.message-list{padding:12px}.bubble{max-width:85%}.message-media{max-width:220px;max-height:220px}.composer{padding:8px 12px}.ticket-list-header{padding:10px}}