:root{--sidebar: #1a2535;--accent: #f55d54;--accent-hover: #e04a42;--accent-soft: #fdeae8;--bg: #f1f5f9;--card: #ffffff;--text: #1f2937;--muted: #64748b;--border: #e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Inter,Helvetica Neue,Arial,sans-serif;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}h1{font-size:24px;margin-top:0}h2{font-size:18px}h3{font-size:16px}button{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:500;transition:background .15s ease}button:hover{background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--accent);border:1px solid var(--border)}.btn-ghost:hover{background:var(--accent-soft)}input,select,textarea{padding:8px 10px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff;color:var(--text);font-family:inherit}input:focus,select:focus,textarea:focus{outline:2px solid var(--accent);border-color:var(--accent)}.card{background:var(--card);padding:16px;border-radius:12px;box-shadow:0 1px 2px #0000000a}table{width:100%;border-collapse:collapse;background:var(--card);border-radius:10px;overflow:hidden}th,td{padding:10px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}th{background:var(--bg);color:var(--muted);font-weight:600}.app-shell{display:flex;min-height:100vh}.sidebar{width:230px;flex-shrink:0;background:var(--sidebar);color:#fff;padding:16px;display:flex;flex-direction:column}.main{flex:1;min-width:0;padding:24px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mobile-bar,.sidebar-backdrop{display:none}@media (max-width: 768px){.app-shell{flex-direction:column}.mobile-bar{display:flex;align-items:center;gap:10px;background:var(--sidebar);color:#fff;padding:10px 12px;position:sticky;top:0;z-index:60}.sidebar{position:fixed;top:0;left:0;bottom:0;width:250px;z-index:100;transform:translate(-105%);transition:transform .2s ease;overflow-y:auto;padding-top:20px}.sidebar.open{transform:translate(0)}.sidebar-backdrop{display:block;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a80;z-index:90}.main{padding:12px}.grid-2{grid-template-columns:1fr}.card{padding:12px}h1{font-size:20px}h2{font-size:16px}table{font-size:13px}th,td{padding:6px}}