:root{--ink: #12313f;--teal: #1d5e74;--teal-dark: #154c5f;--paper: #f4f8fb}*{box-sizing:border-box}body{margin:0;font-family:Avenir Next,Trebuchet MS,Segoe UI,sans-serif;color:var(--ink);background:linear-gradient(180deg,#f5f9fb,#e7eff3)}.page-topbar{min-height:66px;padding:0 4vw;background:linear-gradient(110deg,#103947 0%,var(--teal) 100%);display:flex;justify-content:space-between;align-items:center;gap:12px}.home-link,.admin-link{color:#ecf6fb;text-decoration:none;font-weight:700;letter-spacing:.03em}.top-actions{display:inline-flex;align-items:center;gap:12px}.signout-btn{border:none;border-radius:999px;background:#ecf6fb;color:#0f3442;padding:8px 12px;font-weight:700;cursor:pointer}.page-wrap{width:min(1050px,92vw);margin:24px auto 60px}.workspace{margin-top:18px}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:14px}.tool-card{text-decoration:none;color:inherit;border:1px solid #c3d8e0;border-radius:14px;padding:18px;background:#fff;box-shadow:0 10px 18px #12313f14}.tool-card h3{margin:0 0 8px}.tool-card p{margin:0;line-height:1.55;color:#375160}.tool-card:hover{border-color:var(--teal);transform:translateY(-1px)}