:root{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-tertiary: #0f3460;--bg-input: #1e2a4a;--text-primary: #e0e0e0;--text-secondary: #a0a0b0;--accent: #4e8cff;--accent-hover: #3a6fd8;--success: #4caf50;--error: #f44336;--border: #2a2a4a;--shadow: rgba(0, 0, 0, .3);--radius: 8px;--user-bubble: #2a3f6f;--assistant-bubble: #1e2a3e;--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;touch-action:manipulation;-webkit-text-size-adjust:100%}input,textarea,select,button{font-size:16px;font-family:inherit}::-webkit-scrollbar{width:3px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}.login-page{height:100%;display:flex;align-items:center;justify-content:center;padding:20px;background:linear-gradient(135deg,var(--bg-primary) 0%,var(--bg-secondary) 100%)}.login-card{width:100%;max-width:400px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:16px;padding:32px 20px}.login-header{text-align:center;margin-bottom:28px}.login-header h1{font-size:22px;color:var(--accent);margin-bottom:6px}.login-header p{color:var(--text-secondary);font-size:13px}.login-error{padding:8px 12px;background:#f4433626;border:1px solid rgba(244,67,54,.3);border-radius:6px;color:var(--error);font-size:13px;margin-bottom:16px}.form-group{margin-bottom:14px}.form-group label{display:block;font-size:13px;color:var(--text-secondary);margin-bottom:6px}.form-group input,.form-group select,.form-group textarea{width:100%;padding:12px;background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius);font-size:16px;outline:none;transition:border-color .2s;-webkit-appearance:none;-moz-appearance:none;appearance:none}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--accent)}.form-group textarea{resize:vertical;min-height:60px}.login-btn{width:100%;padding:14px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);cursor:pointer;font-size:16px;font-weight:500;min-height:48px;margin-top:8px}.login-btn:hover:not(:disabled){background:var(--accent-hover)}.login-btn:disabled{opacity:.6}.login-hint{text-align:center;margin-top:16px;font-size:12px;color:var(--text-secondary)}.btn{padding:10px 16px;border:none;border-radius:var(--radius);cursor:pointer;font-size:14px;font-weight:500;min-height:44px;display:inline-flex;align-items:center;justify-content:center;transition:all .2s}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-primary:disabled{opacity:.5}.btn-secondary{background:var(--bg-tertiary);color:var(--text-secondary)}.btn-secondary:hover{color:var(--text-primary)}.btn-sm{padding:6px 12px;font-size:12px;min-height:32px}.btn-sm.btn-warn{background:transparent;color:#ff9800;border:1px solid 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h3{font-size:18px;margin-bottom:8px;color:var(--text-primary)}.confirm-body p{color:var(--text-secondary);font-size:14px;line-height:1.6;white-space:pre-line}.confirm-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:20px}.confirm-actions button{min-height:42px;border-radius:12px;border:1px solid var(--border);cursor:pointer;font-weight:600}.confirm-cancel{background:transparent;color:var(--text-secondary)}.confirm-ok{border-color:transparent!important;background:var(--error);color:#fff}.confirm-dialog.warning .confirm-ok{background:#ff9800}.confirm-dialog.success .confirm-ok{background:var(--success)}@keyframes confirm-pop{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.filter-bar{display:flex;gap:10px;padding:10px 16px;border-bottom:1px solid var(--border);align-items:center;overflow-x:auto;flex-wrap:nowrap;-webkit-overflow-scrolling:touch}.search-input{flex:1;min-width:0;padding:10px 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