/* ==========================================================================
   SMUN XIV — Training Resources
   1. Toolbar   2. Videos   3. Documents   4. IIMUN cards
   ========================================================================== */
.resources { padding-top: clamp(32px, 4vw, 56px); }
.res-group { margin-bottom: clamp(56px, 7vw, 88px); }
.res-group:last-of-type { margin-bottom: 0; }

/* ---------- 1. Toolbar ---------- */
.res-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.res-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.res-tab {
  padding: 10px 18px;
  border: 1px solid rgba(26, 38, 32, .2);
  border-radius: var(--radius-pill);
  background: var(--card);
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 13px;
  color: var(--ink);
  transition: background-color .25s var(--ease-out), color .25s var(--ease-out), border-color .25s var(--ease-out);
}
.res-tab:hover { border-color: var(--ink); }
.res-tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: var(--card); }
.res-search { position: relative; width: min(360px, 100%); }
.res-search__icon { position: absolute; left: 20px; top: 50%; translate: 0 -50%; pointer-events: none; }
.res-search__input {
  width: 100%;
  height: 46px;
  padding: 0 20px 0 44px;
  border: 1px solid rgba(26, 38, 32, .2);
  border-radius: var(--radius-pill);
  background: var(--card);
  font-family: var(--font-display);
  font-size: 16px;
  color: var(--ink);
  -webkit-appearance: none;
  appearance: none;
}
.res-search__input::placeholder { color: rgba(26, 38, 32, .5); }
.res-search__input:focus { outline: none; border-color: var(--green); box-shadow: 0 0 0 1px var(--green); }
.res-soon {                         /* a group with nothing published yet */
  padding: 26px 0 4px;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 19px;
  color: var(--muted);
}
.res-empty {
  padding: 32px 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 20px;
  color: var(--muted);
}

/* ---------- 2. Videos ---------- */
.res-videos { display: grid; gap: 32px 24px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .res-videos { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.video__thumb {
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--sage);
  padding: 0;
}
.video__thumb > .ph, .video__thumb > img {
  width: 100%;
  height: 100%;
  transition: transform .5s var(--ease-out);
}
.video__thumb:hover > .ph, .video__thumb:hover > img,
.video__thumb:focus-visible > .ph, .video__thumb:focus-visible > img { transform: scale(1.04); }
.video__play {
  position: absolute;
  left: 50%;
  top: 50%;
  display: grid;
  place-items: center;
  width: 56px;
  height: 56px;
  margin: -28px 0 0 -28px;
  border-radius: 50%;
  background: var(--card);
  color: var(--ink);
  box-shadow: 0 6px 16px rgba(0, 0, 0, .18);
}
.video__play svg { width: 18px; height: 18px; margin-left: 3px; }
.video__thumb--soon .video__play { opacity: .7; }
.video__thumb--soon .ph__label { z-index: 1; }
.video__frame { display: block; width: 100%; aspect-ratio: 16 / 9; border: 0; background: #000; }
.video__kicker { margin-top: 16px; }
.video__dur { margin-left: 8px; font-weight: 500; letter-spacing: .04em; text-transform: none; color: var(--muted); }
.video__title { margin-top: 8px; font-family: var(--font-display); font-weight: 400; font-size: 21px; line-height: 1.3; }

/* ---------- 3. Documents ---------- */
.res-docs { list-style: none; margin: 0; padding: 0; }
.doc {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  grid-template-areas: "icon title" "icon meta" "icon action";
  column-gap: 20px;
  row-gap: 4px;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid var(--rule-soft);
}
@media (min-width: 768px) {
  .doc { grid-template-columns: 40px minmax(0, 1fr) auto auto; grid-template-areas: "icon title meta action"; column-gap: 24px; }
}
.doc__icon {
  grid-area: icon;
  position: relative;
  width: 40px;
  height: 50px;
  background: var(--card);
  border: 1px solid rgba(26, 38, 32, .18);
}
.doc__icon span {
  position: absolute;
  left: 0; right: 0; bottom: 8px;
  text-align: center;
  font-family: var(--font-ui);
  font-weight: 600;
  font-size: 8px;
  letter-spacing: .12em;
  color: var(--terra-ink);
}
.doc__title { grid-area: title; font-family: var(--font-display); font-weight: 400; font-size: clamp(20px, 1.8vw, 24px); line-height: 1.25; }
.doc__meta { grid-area: meta; font-family: var(--font-ui); font-size: 12px; color: var(--muted); }
.doc__dl, .doc__soon { grid-area: action; font-size: 13px; }
.doc__soon { font-family: var(--font-ui); color: var(--muted); }

/* ---------- 4. IIMUN cards (always credited) ---------- */
.res-iimun { display: grid; gap: 24px; grid-template-columns: minmax(0, 1fr); }
@media (min-width: 768px) { .res-iimun { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.iimun {
  display: flex;
  flex-direction: column;
  padding: 28px;
  background: var(--card);
  border: 1px solid rgba(26, 38, 32, .12);
  color: var(--ink);
  text-decoration: none;
  transition: border-color .3s var(--ease-out), box-shadow .3s var(--ease-out), transform .3s var(--ease-out);
}
a.iimun:hover, a.iimun:focus-visible { border-color: rgba(26, 38, 32, .35); box-shadow: 0 12px 28px rgba(26, 38, 32, .1); transform: translateY(-4px); }
.iimun__top { display: flex; justify-content: space-between; align-items: center; }
.iimun__arrow { font-family: var(--font-ui); color: var(--green); }
.iimun__title { margin-top: 22px; font-family: var(--font-display); font-weight: 400; font-size: clamp(22px, 2vw, 26px); line-height: 1.2; }
.iimun__desc { margin-top: 12px; font-family: var(--font-display); font-style: italic; font-size: 15px; line-height: 1.5; color: var(--muted); }
.iimun__note { margin-top: 18px; font-family: var(--font-ui); font-size: 12px; color: var(--muted); }
.iimun--soon .iimun__arrow { opacity: .4; }