.resource-grid { display: grid; grid-template-columns: repeat(auto-fill,minmax(290px,1fr)); grid-auto-rows: 4px; align-items: start; gap: 0 18px; }
.resource-grid > * { grid-row-end: span var(--resource-rows,1); }
.resource-card { position: relative; display: flex; flex-direction: column; gap: 0; min-width: 0; padding: 0; border: 0; border-radius: 16px; background: var(--surface); transition: background 180ms,transform 180ms; }
.resource-card-info { display: flex; flex-direction: column; gap: 17px; min-width: 0; padding: 1rem; border: 1px solid var(--raised); border-bottom: 0; border-radius: 16px 16px 0 0; }
.resource-card:hover { background: #1b1914; transform: translateY(-2px); }
.resource-card.is-past { background: var(--transparent); }
.resource-card.is-past :is(.resource-site-preview,.resource-file,.resource-lecture-topics) { background: var(--transparent); }
.resource-type { position: relative; z-index: 2; display: inline-flex; flex-shrink: 0; align-items: center; gap: 6px; margin: 0; padding: 0; border: 0; border-radius: 3px; background: transparent; color: var(--muted); font-size: .8rem; line-height: 1.5; }
.resource-type:hover:not(:disabled) { background: transparent; color: var(--muted); }
.resource-type[aria-pressed=false] { cursor: default; }
.resource-title { min-width: 0; margin: 0; font-size: 1.3rem; font-weight: 600; line-height: 1.45; overflow-wrap: anywhere; }
.resource-title-control { display: inline; padding: 0; border: 0; border-radius: 0; background: transparent; color: inherit; font: inherit; text-align: left; text-decoration: none; }
.resource-title-control:is(a,button)::after { position: absolute; z-index: 1; inset: 0; border-radius: 16px; content: ''; }
.resource-title-control:is(a,button):hover { background: transparent; color: inherit; }
.resource-title-control:focus-visible { outline: 0; }
.resource-title-control:focus-visible::after { outline: 2px solid var(--accent); outline-offset: 3px; }
.resource-site-preview { display: flex; flex-direction: column; overflow: hidden; margin: 0; padding: 0 0 1rem 0; border: 1px solid var(--raised); border-bottom: 0; border-radius: 0; background: #fff2de03; }
.resource-thumbnail { display: block; width: 100%; aspect-ratio: 1.91; object-fit: cover; background: #fff2de05; }
.resource-site-copy { display: flex; flex-direction: column; padding: 1rem 1rem 0 1rem; gap: .5rem; }
.resource-site-title { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 2; -webkit-box-orient: vertical; font-size: .9375rem; font-weight: 550; line-height: 1.5; overflow-wrap: anywhere; }
.resource-site-description { display: -webkit-box; overflow: hidden; -webkit-line-clamp: 3; -webkit-box-orient: vertical; color: var(--muted); font-size: .8rem; line-height: 1.65; overflow-wrap: anywhere; }
.resource-site-host { color: var(--muted); font-size: .8rem; overflow-wrap: anywhere; }
.resource-lecture-topics { position: relative; z-index: 2; margin: 0; padding: 1rem; border: 1px solid var(--raised); border-bottom: 0; background: #fff2de03; color: var(--muted); font-size: .875rem; line-height: 1.65; white-space: pre-line; overflow-wrap: anywhere; cursor: text; }
.resource-file { display: flex; align-items: center; gap: 13px; min-width: 0; padding: 1rem; border: 1px solid var(--raised); border-bottom: 0; border-radius: 0; background: #fff2de03; }
.resource-file-icon { display: flex; flex: 0 0 auto; color: var(--muted); }
.resource-file-copy { display: flex; flex-direction: column; align-items: flex-start; gap: 6px; min-width: 0; }
.resource-file-name { font-size: .875rem; overflow-wrap: anywhere; }
.resource-extension { color: var(--muted); font-size: .7rem; letter-spacing: .06em; }
.resource-week { display: flex; justify-content: space-between; align-items: center; gap: 8px; color: var(--muted); font-size: .8rem; }
.resource-past-label { font: inherit; }
.resource-open { position: relative; z-index: 2; display: flex; align-items: center; justify-content: center; gap: 6px; width: 100%; margin: 0; padding: .5rem 1rem; border: 1px solid var(--raised); border-radius: 0 0 16px 16px; background: transparent; color: var(--txt); font: 1rem/1.5 var(--sans); text-decoration: none; }
.resource-open:hover:not(:disabled) { background: #fff2de06; }
.resource-open:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.resource-open:disabled { opacity: .45; cursor: default; }
.resource-actions { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
.resource-actions .resource-open { min-width: 0; border-radius: 0 0 0 16px; }
.resource-actions .resource-open + .resource-open { border-left: 0; border-radius: 0 0 16px 0; }
.resource-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 15px; }
.resource-document-toolbar { display: flex; align-items: center; justify-content: flex-end; padding: 0 0 14px; }
.resource-modal .resource-document { flex: 1 1 auto; }
@media (max-width: 640px) { .resource-grid { grid-template-columns: minmax(0,1fr); } }
@media (prefers-reduced-motion: reduce) { .resource-card { transition: none; } .resource-card:hover { transform: none; } }