*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:#f5f7fa;color:#1a1a2e}:root{--primary: #4f46e5;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--gray: #6b7280;--bg-card: #fff;--border: #e5e7eb}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:#1e1b4b;color:#fff;padding:20px 0;flex-shrink:0}.sidebar h2{padding:0 20px 20px;font-size:18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:10px}.sidebar a{display:block;padding:10px 20px;color:#ffffffb3;text-decoration:none;font-size:14px;transition:.2s}.sidebar a:hover,.sidebar a.active{color:#fff;background:#ffffff1a}.sidebar .logout-btn{margin:20px;padding:8px 16px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:6px;cursor:pointer;width:calc(100% - 40px)}.main-content{flex:1;padding:30px;overflow-y:auto;max-height:100vh}.main-content h1{font-size:24px;margin-bottom:20px}.card{background:var(--bg-card);border-radius:10px;padding:20px;box-shadow:0 1px 3px #00000014;margin-bottom:20px}.stat-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border-radius:10px;padding:20px;box-shadow:0 1px 3px #00000014;text-align:center}.stat-card .num{font-size:32px;font-weight:700;color:var(--primary)}.stat-card .label{font-size:13px;color:var(--gray);margin-top:4px}table{width:100%;border-collapse:collapse;font-size:14px}th{text-align:left;padding:10px 12px;background:#f8fafc;border-bottom:2px solid var(--border);font-weight:600;color:var(--gray);font-size:12px;text-transform:uppercase}td{padding:10px 12px;border-bottom:1px solid var(--border)}tr:hover{background:#f8fafc}.badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:12px;font-weight:600}.badge-green{background:#d1fae5;color:#065f46}.badge-yellow{background:#fef3c7;color:#92400e}.badge-red{background:#fee2e2;color:#991b1b}.badge-gray{background:#f3f4f6;color:#374151}.badge-blue{background:#dbeafe;color:#1e40af}.btn{padding:8px 16px;border:none;border-radius:6px;cursor:pointer;font-size:14px;font-weight:500;transition:.2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{opacity:.9}.btn-success{background:var(--success);color:#fff}.btn-warning{background:var(--warning);color:#fff}.btn-danger{background:var(--danger);color:#fff}.btn-sm{padding:4px 10px;font-size:12px}.btn-group{display:flex;gap:8px}.btn:disabled{opacity:.5;cursor:not-allowed}input,textarea,select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;outline:none}input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-group{margin-bottom:16px}.form-group label{display:block;margin-bottom:4px;font-size:13px;font-weight:600;color:var(--gray)}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#1e1b4b,#4f46e5)}.login-card{background:#fff;border-radius:12px;padding:40px;width:380px;box-shadow:0 10px 40px #0003}.login-card h1{text-align:center;margin-bottom:24px;color:#1e1b4b;font-size:20px}.error-msg{background:#fee2e2;color:#991b1b;padding:10px;border-radius:6px;font-size:13px;margin-bottom:16px}.timeline{display:flex;flex-direction:column;gap:12px;max-width:800px}.msg-bubble{max-width:80%;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.5}.msg-inbound{align-self:flex-start;background:#f3f4f6;border-bottom-left-radius:4px}.msg-outbound{align-self:flex-end;background:#4f46e5;color:#fff;border-bottom-right-radius:4px}.msg-meta{font-size:11px;opacity:.7;margin-top:4px}.conv-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;margin-bottom:20px}.loading{text-align:center;padding:40px;color:var(--gray)}.empty{text-align:center;padding:40px;color:var(--gray);font-style:italic}.reply-form{display:flex;gap:8px;margin-top:16px}.reply-form textarea{flex:1;min-height:60px;resize:vertical}