:root{font-family:system-ui,-apple-system,Segoe UI,sans-serif;color:#1f2937;background:#f6f7f9}body{margin:0}.nav{display:grid;grid-template-columns:auto auto auto auto auto 1fr auto;gap:18px;align-items:center;background:#fff;border-bottom:1px solid #e5e7eb;padding:14px 24px}.nav a{color:#1f2937;text-decoration:none}main{max-width:1100px;margin:32px auto;padding:0 20px}.card,.tile{background:#fff;border:1px solid #e5e7eb;border-radius:16px;padding:24px;box-shadow:0 8px 24px rgba(0,0,0,.04)}.login{display:grid;min-height:100vh;place-items:center}.button,button{background:#111827;color:#fff;border:0;border-radius:10px;padding:11px 16px;text-decoration:none;cursor:pointer}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.tile{text-decoration:none;color:inherit}input,textarea{width:100%;box-sizing:border-box;border:1px solid #d1d5db;border-radius:10px;padding:10px;margin-top:6px}.form{display:grid;gap:14px;max-width:680px}.row{display:flex;gap:10px;margin-bottom:18px}.row input{margin:0}table{width:100%;border-collapse:collapse;background:#fff;border-radius:14px;overflow:hidden}th,td{text-align:left;padding:12px;border-bottom:1px solid #e5e7eb}th{background:#f3f4f6}.error{background:#fee2e2;color:#991b1b;padding:12px;border-radius:10px}.success{background:#dcfce7;color:#166534;padding:12px;border-radius:10px}