:root{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f8fafc;color:#0f172a}body{margin:0;min-height:100vh}a{color:#0f172a;text-decoration:none}h1,h2,h3,h4{font-weight:700;color:#0f172a}button,input[type=submit]{background:#2563eb;color:#fff;border:none;border-radius:10px;padding:8px 12px;cursor:pointer;font-weight:600}button:hover,input[type=submit]:hover{background:#1d4ed8}input,select,textarea{border:1px solid #e2e8f0;border-radius:8px;padding:8px 10px;font-size:14px;width:100%;box-sizing:border-box}.app-shell{display:flex;min-height:100vh;width:100%;max-width:100%}.sidebar{background:#fff;border-right:1px solid #e2e8f0;padding:24px 18px;position:-webkit-sticky;position:sticky;top:0;height:100vh;box-shadow:4px 0 18px rgba(15,23,42,.05)}.sidebar h2{margin-top:0;font-size:18px}.nav-links{list-style:none;padding:0;margin:16px 0 0}.nav-links li{margin-bottom:10px}.nav-links a{display:block;padding:10px 12px;border-radius:10px;transition:background .15s ease,transform .1s ease}.nav-links a:hover{background:#e2e8f0;transform:translateX(2px)}.main{padding:32px 96px;flex:1 1}.container,.main{min-width:0;width:100%;max-width:100%;overflow-x:hidden}.card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:18px;box-shadow:0 15px 45px rgba(15,23,42,.07)}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:16px;gap:16px}.pill{display:inline-block;padding:4px 10px;border-radius:999px;background:#eef2ff;color:#4338ca;font-size:12px;border:1px solid #e0e7ff}