:root{--bg-dark: #0f1117;--bg-card: #161b25;--bg-hover: #1e2433;--text-main: #f0f0f0;--text-muted: #9ca3af;--border-color: rgba(255,255,255,.08);--brand: #1D9E75;--brand-hover: #17856a;--danger: #ef4444;--danger-hover: #dc2626;--success: #34d399}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background-color:var(--bg-dark);color:var(--text-main);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}.app-container{display:flex;min-height:100vh;position:relative}.sidebar{width:250px;background-color:var(--bg-card);border-right:1px solid var(--border-color);padding:24px 0;display:flex;flex-direction:column;z-index:100;transition:transform .3s ease}.brand{font-size:20px;font-weight:700;padding:0 24px 24px;color:var(--brand);letter-spacing:-.5px}.nav-link{padding:12px 24px;color:var(--text-muted);font-weight:500;cursor:pointer;transition:all .2s ease}.nav-link:hover{background-color:var(--bg-hover);color:var(--text-main)}.nav-link.active{background-color:#f2cb051a;color:var(--brand);border-right:3px solid var(--brand)}.content-area{flex:1;padding:40px;overflow-y:auto}.page-title{font-size:28px;font-weight:600;margin-bottom:24px}.card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:24px;margin-bottom:24px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px;margin-bottom:32px}.stat-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;padding:20px}.stat-label{color:var(--text-muted);font-size:14px;margin-bottom:8px}.stat-val{font-size:32px;font-weight:700}input{width:100%;padding:12px;background-color:var(--bg-dark);border:1px solid var(--border-color);color:var(--text-main);border-radius:8px;margin-bottom:16px;font-size:15px}.input-group{display:flex;gap:10px;align-items:flex-start}.input-group input{margin-bottom:0}input:focus{outline:none;border-color:var(--brand)}button{background-color:var(--brand);color:#fff;border:none;padding:12px 20px;border-radius:8px;font-weight:600;cursor:pointer;transition:background .2s}button:hover{background-color:var(--brand-hover)}button:disabled{opacity:.5;cursor:not-allowed}.btn-danger{background-color:var(--bg-dark);color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background-color:var(--danger);color:#fff}table{width:100%;border-collapse:collapse}th,td{padding:16px;text-align:left;border-bottom:1px solid var(--border-color)}th{color:var(--text-muted);font-weight:500;font-size:14px}tr:hover{background-color:var(--bg-hover)}.badge{padding:4px 8px;border-radius:4px;font-size:12px;font-weight:600}.badge.success{background-color:#22c55e1a;color:var(--success)}.badge.danger{background-color:#ef44441a;color:var(--danger)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:100%;max-width:400px;text-align:center}.login-box h1{margin-bottom:32px;color:var(--brand)}.error-msg{color:var(--danger);margin-bottom:16px;font-size:14px}.success-msg{color:var(--success);margin-bottom:16px;font-size:14px}.mobile-header{display:none;background-color:var(--bg-card);padding:16px;border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center}.hamburger{background:none;border:none;color:var(--text-main);padding:8px;cursor:pointer}@media (max-width: 768px){.mobile-header{display:flex}.app-container{flex-direction:column}.sidebar{position:fixed;top:0;left:0;bottom:0;transform:translate(-100%);box-shadow:10px 0 30px #00000080}.sidebar.open{transform:translate(0)}.sidebar-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:90}.sidebar-overlay.open{display:block}.content-area{padding:20px}.stats-grid{grid-template-columns:1fr}.input-group{flex-direction:column}.input-group button{width:100%}.table-wrap{overflow-x:auto}}