*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #1877f2;--primary-dark: #1565c0;--primary-light: #e3f2fd;--success: #16a34a;--success-light: #dcfce7;--warning: #f59e0b;--warning-light: #fef3c7;--danger: #dc2626;--danger-light: #fee2e2;--purple: #7c3aed;--purple-light: #ede9fe;--bg: #f0f4f8;--card: #ffffff;--text: #1a202c;--text-secondary: #64748b;--border: #e2e8f0;--sidebar-width: 260px;--radius: 12px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 4px 20px rgba(0,0,0,.1);--transition: all .2s ease}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#667eea,#1877f2,#42b72a);background-size:400% 400%;animation:gradientShift 8s ease infinite;position:relative;overflow:hidden}@keyframes 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var(--danger);color:var(--danger)}.btn-danger-outline:hover{background:var(--danger-light)}.btn-zalo{background:#0068ff;color:#fff;text-decoration:none;font-size:13px}.btn-zalo:hover{opacity:.9}.btn-back{background:none;border:1px solid var(--border);color:var(--text-secondary);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;margin-bottom:16px;transition:var(--transition)}.btn-back:hover{border-color:var(--primary);color:var(--primary)}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}.badge-success{background:var(--success-light);color:var(--success)}.badge-topic{background:#a855f726;color:#a855f7;padding:2px 8px;border-radius:4px;font-size:11px;white-space:nowrap}.badge-danger{background:var(--danger-light);color:var(--danger)}.toggle-btn{padding:4px 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18px;background:var(--primary);color:#fff;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-primary:hover:not(:disabled){opacity:.9}.pagination{display:flex;align-items:center;gap:12px;justify-content:center;padding:16px;font-size:13px;color:var(--text-secondary)}.suggestions-toolbar{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}.btn-analyze{padding:10px 20px;background:linear-gradient(135deg,#6366f1,#8b5cf6);color:#fff;border:none;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:opacity .15s}.btn-analyze:disabled{opacity:.6;cursor:not-allowed}.btn-analyze:hover:not(:disabled){opacity:.9}.analyze-result{font-size:14px;font-weight:500;color:#10b981}.suggestion-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px}.suggestion-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:10px}.suggestion-card-header{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.suggestion-title{font-size:15px;font-weight:600;color:var(--text-primary);margin:0}.suggestion-desc{font-size:13px;color:var(--text-secondary);margin:0;line-height:1.5}.suggestion-action-label{font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase}.suggestion-quote{margin:6px 0 0;padding:10px 14px;background:var(--bg-secondary);border-left:3px solid var(--primary);border-radius:0 6px 6px 0;font-size:13px;color:var(--text-primary);white-space:pre-wrap}.suggestion-meta{font-size:12px;color:var(--text-secondary)}.suggestion-actions{display:flex;gap:10px;margin-top:4px}.btn-approve{padding:7px 16px;background:#dcfce7;color:#166534;border:1px solid #bbf7d0;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:opacity 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