:root{--primary: #f97316;--primary-dark: #ea580c;--bg: #f8fafc;--bg-card: #ffffff;--bg-sidebar: #1e293b;--bg-sidebar-hover: #334155;--text: #0f172a;--text-muted: #64748b;--text-sidebar: #cbd5e1;--border: #e2e8f0;--green: #22c55e;--blue: #3b82f6;--red: #ef4444;--yellow: #eab308}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-layout{display:flex;min-height:100vh}.sidebar{width:240px;background:var(--bg-sidebar);color:var(--text-sidebar);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:50}.sidebar-brand{padding:20px 20px 16px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-brand h1{font-size:18px;font-weight:800;color:var(--primary)}.sidebar-brand span{font-size:11px;color:var(--text-sidebar);opacity:.7;font-weight:500;letter-spacing:.5px;text-transform:uppercase}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;color:var(--text-sidebar);text-decoration:none;font-size:14px;font-weight:500;transition:all .2s}.sidebar-link:hover{background:var(--bg-sidebar-hover);color:#fff}.sidebar-link.active{background:var(--primary);color:#fff}.sidebar-link svg{width:18px;height:18px;flex-shrink:0}.sidebar-footer{padding:12px 8px;border-top:1px solid rgba(255,255,255,.08)}.main-content{margin-left:240px;flex:1;min-height:100vh}.page-header{padding:24px 32px;border-bottom:1px solid var(--border);background:var(--bg-card)}.page-header h2{font-size:22px;font-weight:700;color:var(--text)}.page-header p{font-size:13px;color:var(--text-muted);margin-top:4px}.page-body{padding:24px 32px}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#fff7ed,#f8fafc,#fff7ed);padding:16px}.login-card{width:100%;max-width:400px;background:var(--bg-card);border-radius:16px;padding:40px 32px;box-shadow:0 4px 24px #0000000f;border:1px solid var(--border)}.login-card .logo-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:#fff;margin:0 auto 20px}.login-card h1{text-align:center;font-size:22px;font-weight:700;margin-bottom:4px}.login-card .subtitle{text-align:center;font-size:13px;color:var(--text-muted);margin-bottom:28px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.form-input{width:100%;padding:10px 14px;border:1px solid var(--border);border-radius:10px;font-size:14px;font-family:inherit;background:var(--bg);color:var(--text);transition:border-color .2s,box-shadow .2s;outline:none}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #f973161a}textarea.form-input{resize:vertical;min-height:120px}select.form-input{-webkit-appearance:auto;-moz-appearance:auto;appearance:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:10px;font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .2s}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;box-shadow:0 2px 8px #f9731640}.btn-primary:hover{box-shadow:0 4px 16px #f9731659;transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-outline{background:transparent;color:var(--text);border:1px solid var(--border)}.btn-outline:hover{background:var(--bg)}.btn-danger{background:var(--red);color:#fff}.btn-sm{padding:6px 12px;font-size:12px;border-radius:8px}.btn-full{width:100%}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:12px;padding:20px}.stat-card .stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.stat-card .stat-value{font-size:28px;font-weight:800;color:var(--text);line-height:1}.stat-card .stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;font-weight:500}.data-table{width:100%;background:var(--bg-card);border:1px solid var(--border);border-radius:12px;overflow:hidden}.data-table table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:12px 16px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border)}.data-table td{padding:12px 16px;font-size:13px;border-bottom:1px solid var(--border);vertical-align:middle}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f9731605}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:6px;font-size:11px;font-weight:600}.badge-new{background:#fef3c7;color:#92400e}.badge-read{background:#dbeafe;color:#1e40af}.badge-replied{background:#dcfce7;color:#166534}.badge-category{background:#fff7ed;color:var(--primary-dark)}.action-btn{background:none;border:none;padding:6px;border-radius:6px;cursor:pointer;color:var(--text-muted);transition:all .2s}.action-btn:hover{background:var(--bg);color:var(--text)}.action-btn.edit:hover{color:var(--blue);background:#eff6ff}.action-btn.delete:hover{color:var(--red);background:#fef2f2}.action-btn.view:hover{color:var(--green);background:#f0fdf4}.toast{position:fixed;bottom:24px;right:24px;z-index:100;display:flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;font-size:13px;font-weight:600;box-shadow:0 4px 20px #0000001a;animation:slideUp .3s ease}.toast-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}.toast-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.empty-state{text-align:center;padding:60px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:12px}.empty-state p{color:var(--text-muted);font-size:14px;margin-bottom:16px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.enquiry-message{background:var(--bg);border-radius:8px;padding:12px 16px;font-size:13px;line-height:1.7;color:var(--text);margin-top:8px;white-space:pre-wrap}.spinner{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.flex-between{display:flex;align-items:center;justify-content:space-between}.flex-center{display:flex;align-items:center;justify-content:center}.gap-2{gap:8px}.gap-3{gap:12px}.mt-3{margin-top:12px}.mb-4{margin-bottom:16px}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}