:root{--bg: #f8f9fc;--surface: #ffffff;--border: #e2e8f0;--primary: #6366f1;--primary-hover: #4f46e5;--text: #1e293b;--text-muted: #64748b;--danger: #ef4444;--success: #22c55e;--radius: 10px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 4px 12px rgba(0,0,0,.1), 0 2px 4px rgba(0,0,0,.06)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.6}.header{background:var(--surface);border-bottom:1px solid var(--border);padding:0 32px;height:60px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.header-brand{font-size:16px;font-weight:700;color:var(--primary);text-decoration:none;letter-spacing:-.3px}.header-nav{display:flex;gap:8px;align-items:center}.header-nav a{color:var(--text-muted);text-decoration:none;font-size:14px;font-weight:500;padding:6px 12px;border-radius:6px;transition:all .15s}.header-nav a:hover{background:var(--bg);color:var(--text)}.header-nav a.active{color:var(--primary);background:#eef2ff}.page{max-width:1100px;margin:0 auto;padding:32px}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.page-title{font-size:22px;font-weight:700;color:var(--text);letter-spacing:-.4px}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;border:none;text-decoration:none;transition:all .15s;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover{background:var(--bg);color:var(--text)}.btn-danger{background:#fef2f2;color:var(--danger)}.btn-danger:hover{background:#fee2e2}.btn-sm{padding:5px 10px;font-size:12px}.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:24px;margin-bottom:16px}.table-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}table{width:100%;border-collapse:collapse}thead tr{background:var(--bg);border-bottom:1px solid var(--border)}th{text-align:left;padding:10px 16px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}td{padding:14px 16px;border-bottom:1px solid var(--border);font-size:14px}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#f8fafc}.form{background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow);padding:32px;max-width:520px}.form-title{font-size:18px;font-weight:700;margin-bottom:24px;color:var(--text)}.field{margin-bottom:18px}.field label{display:block;font-size:13px;font-weight:600;color:var(--text);margin-bottom:6px}.field label span{font-weight:400;color:var(--text-muted);font-size:12px}input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;font-family:inherit;background:var(--surface);color:var(--text);transition:border-color .15s,box-shadow .15s;outline:none}input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11f}input[type=checkbox]{width:16px;height:16px;accent-color:var(--primary)}.field-hint{font-size:12px;color:var(--text-muted);margin-top:4px}.form-actions{display:flex;gap:10px;margin-top:24px}.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:99px;font-size:12px;font-weight:600}.badge-sandbox{background:#fef3c7;color:#92400e}.badge-production,.badge-success{background:#dcfce7;color:#166534}.badge-pending{background:#dbeafe;color:#1e40af}.badge-error{background:#fee2e2;color:#991b1b}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:28px}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 24px;box-shadow:var(--shadow)}.stat-value{font-size:28px;font-weight:700;color:var(--text);letter-spacing:-.5px}.stat-label{font-size:13px;color:var(--text-muted);margin-top:4px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state h3{font-size:16px;font-weight:600;color:var(--text);margin-bottom:8px}.empty-state p{font-size:14px}.alert{padding:12px 16px;border-radius:8px;font-size:14px;margin-bottom:16px}.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.tabs{display:flex;gap:4px;border-bottom:2px solid var(--border);margin-bottom:24px}.tab{padding:8px 16px;font-size:14px;font-weight:500;color:var(--text-muted);cursor:pointer;border:none;background:none;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .15s}.tab:hover{color:var(--text)}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#f8fafc)}.login-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:400px}.login-logo{font-size:22px;font-weight:800;color:var(--primary);text-align:center;margin-bottom:8px;letter-spacing:-.5px}.login-sub{text-align:center;color:var(--text-muted);font-size:14px;margin-bottom:28px}code{font-family:SF Mono,Fira Code,monospace;font-size:13px;background:var(--bg);padding:2px 6px;border-radius:4px;color:var(--primary)}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--text-muted)}.loading:after{content:"";width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite;margin-left:12px}@keyframes spin{to{transform:rotate(360deg)}}