* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f5f5f5; color: #1a1a1a; }
a { color: #2563eb; text-decoration: none; }

/* Layout */
.app { display: none; }
.app.active { display: flex; }
.sidebar { width: 240px; background: #1e293b; color: #e2e8f0; min-height: 100vh; padding: 20px 0; flex-shrink: 0; }
.sidebar h2 { font-size: 14px; text-transform: uppercase; letter-spacing: 1px; padding: 0 20px 12px; color: #94a3b8; }
.sidebar nav a { display: block; padding: 10px 20px; color: #cbd5e1; font-size: 14px; cursor: pointer; border-left: 3px solid transparent; }
.sidebar nav a:hover { background: #334155; color: #fff; }
.sidebar nav a.active { background: #334155; color: #fff; border-left-color: #3b82f6; }
.main { flex: 1; padding: 30px; max-width: 1200px; }
.main h1 { font-size: 24px; margin-bottom: 24px; color: #0f172a; }

/* Login */
.login-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 100; }
.login-box { background: #fff; padding: 32px; border-radius: 8px; width: 380px; box-shadow: 0 4px 24px rgba(0,0,0,0.15); }
.login-box h2 { margin-bottom: 8px; font-size: 20px; }
.login-box p { color: #64748b; font-size: 13px; margin-bottom: 20px; }
.login-box input { width: 100%; padding: 10px 12px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 14px; margin-bottom: 16px; }
.login-box button { width: 100%; padding: 10px; background: #2563eb; color: #fff; border: none; border-radius: 6px; font-size: 14px; cursor: pointer; }
.login-box button:hover { background: #1d4ed8; }
.login-error { color: #dc2626; font-size: 13px; margin-bottom: 12px; display: none; }

/* Cards */
.card { background: #fff; border-radius: 8px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); padding: 20px; margin-bottom: 16px; }
.card h3 { font-size: 16px; margin-bottom: 12px; color: #334155; }

/* Status badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; }
.badge-green { background: #dcfce7; color: #166534; }
.badge-red { background: #fee2e2; color: #991b1b; }
.badge-yellow { background: #fef9c3; color: #854d0e; }
.badge-blue { background: #dbeafe; color: #1e40af; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 8px 12px; background: #f8fafc; color: #64748b; font-weight: 600; border-bottom: 1px solid #e2e8f0; }
td { padding: 8px 12px; border-bottom: 1px solid #f1f5f9; }
tr:hover td { background: #f8fafc; }

/* Buttons */
.btn { padding: 6px 14px; border: none; border-radius: 6px; font-size: 13px; cursor: pointer; font-weight: 500; }
.btn-primary { background: #2563eb; color: #fff; }
.btn-primary:hover { background: #1d4ed8; }
.btn-danger { background: #dc2626; color: #fff; }
.btn-danger:hover { background: #b91c1c; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-ghost { background: none; color: #64748b; }
.btn-ghost:hover { color: #1e293b; background: #f1f5f9; }

/* Forms */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; color: #475569; }
.form-group input, .form-group select { width: 100%; padding: 8px 10px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 13px; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* Status bar */
.status-bar { display: flex; gap: 16px; margin-bottom: 24px; }
.stat { background: #fff; border-radius: 8px; padding: 16px 20px; flex: 1; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.stat .label { font-size: 12px; color: #64748b; text-transform: uppercase; letter-spacing: 0.5px; }
.stat .value { font-size: 24px; font-weight: 700; color: #0f172a; margin-top: 4px; }

/* Toggle */
.toggle { position: relative; display: inline-block; width: 36px; height: 20px; }
.toggle input { opacity: 0; width: 0; height: 0; }
.toggle .slider { position: absolute; inset: 0; background: #cbd5e1; border-radius: 20px; cursor: pointer; transition: 0.2s; }
.toggle .slider:before { content: ''; position: absolute; height: 14px; width: 14px; left: 3px; bottom: 3px; background: #fff; border-radius: 50%; transition: 0.2s; }
.toggle input:checked + .slider { background: #2563eb; }
.toggle input:checked + .slider:before { transform: translateX(16px); }

/* Modal */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.4); display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal { background: #fff; border-radius: 8px; padding: 24px; width: 480px; max-height: 80vh; overflow-y: auto; box-shadow: 0 8px 32px rgba(0,0,0,0.15); }
.modal h2 { margin-bottom: 20px; font-size: 18px; }

/* Empty state */
.empty { text-align: center; padding: 40px; color: #94a3b8; }
.empty p { font-size: 14px; }

/* Code */
code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; font-size: 12px; color: #475569; }
pre { background: #1e293b; color: #e2e8f0; padding: 16px; border-radius: 6px; font-size: 12px; overflow-x: auto; margin-top: 8px; }

/* Log detail expand */
.log-row:hover td { background: #eff6ff; }
.log-detail td { padding: 0 !important; border-bottom: 1px solid #e2e8f0; }
.log-detail-content { padding: 12px 16px; background: #f8fafc; }
.log-detail-content pre { margin: 0; font-size: 12px; max-height: 300px; overflow-y: auto; }

/* Logout */
.sidebar-footer { margin-top: auto; padding: 16px 20px; border-top: 1px solid #334155; }
.sidebar-footer a { color: #94a3b8; font-size: 13px; cursor: pointer; }
.sidebar-footer a:hover { color: #e2e8f0; }