.resource-note {
    display: flex; gap: 1rem; align-items: center; margin: 0 0 3rem;
    padding: 1rem 1.25rem; background: #e8f4f7; border-left: 6px solid var(--blue);
}
.resource-note strong { white-space: nowrap; }
.resource-note span { color: var(--muted); }
.resource-note.warning { background: #fff3cf; border-color: var(--sun); }
.resource-category, .link-category { margin: 3.5rem 0; }
.resource-category > header, .link-category > header {
    display: grid; grid-template-columns: minmax(220px, .55fr) 1fr; gap: 2rem;
    margin-bottom: 1rem; padding-bottom: .8rem; border-bottom: 4px solid var(--ink);
}
.resource-category h2, .link-category h2 {
    margin: 0; font: 900 1.8rem/1 Arial, sans-serif; letter-spacing: -.035em; text-transform: uppercase;
}
.resource-category header p, .link-category header p { margin: 0; color: var(--muted); }
.resource-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(245px, 1fr)); gap: 1px;
    background: var(--line); border: 1px solid var(--line);
}
.resource-card { display: flex; flex-direction: column; min-height: 260px; padding: 1.25rem; background: #fff; }
.resource-meta { display: flex; justify-content: space-between; color: var(--blue); font: 700 .68rem monospace; letter-spacing: .1em; }
.resource-card h3 { margin: 2rem 0 .7rem; font: 800 1.2rem/1.15 Arial, sans-serif; }
.resource-card p { margin: 0 0 1.5rem; color: var(--muted); font-size: .88rem; }
.resource-action, .unavailable { margin-top: auto; font-size: .78rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.resource-action { align-self: flex-start; padding-bottom: .25rem; color: var(--ink); border-bottom: 3px solid var(--sun); text-decoration: none; }
.unavailable { color: #8b6c65; }
.file-warning { padding: .6rem; background: #fff3cf; border-left: 3px solid var(--sun); color: #5b4931 !important; }
.file-hash { display: block; margin: 0 0 1rem; color: var(--muted); font-size: .65rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.useful-links { border-top: 1px solid var(--line); }
.useful-links article {
    display: grid; grid-template-columns: 1fr auto; gap: 2rem; align-items: center;
    padding: 1.15rem; border-bottom: 1px solid var(--line);
}
.useful-links article:hover { background: #fff; }
.useful-links h3 { margin: 0; font: 800 1.1rem/1.2 Arial, sans-serif; }
.useful-links p { margin: .35rem 0 0; color: var(--muted); font-size: .88rem; }
.useful-links article > a {
    display: grid; place-items: center; width: 2.4rem; height: 2.4rem;
    background: var(--sun); color: var(--ink); font-size: 1.25rem; text-decoration: none;
}
.useful-links article > span { color: var(--muted); font-size: .75rem; }
@media (max-width: 700px) {
    .resource-note { align-items: flex-start; flex-direction: column; }
    .resource-category > header, .link-category > header { grid-template-columns: 1fr; gap: .5rem; }
    .resource-grid { grid-template-columns: 1fr; }
}