/* ============================================================
   Resource Library page — styles specific to /resources/.
   Builds on the shared classes in assets/css/site.css (section
   header, badges, buttons, icon buttons, modal overlay, field input).
   ============================================================ */

/* ---------------------------------------------------------------
   Hero
   --------------------------------------------------------------- */
.trs-reslib-hero { position: relative; background: var(--graphite-900); color: #fff; overflow: hidden; }
.trs-reslib-hero__dotgrid {
  position: absolute; inset: 0; opacity: 0.5;
  background-image: radial-gradient(circle at 1px 1px, rgba(255,255,255,0.08) 1px, transparent 0);
  background-size: 26px 26px;
}
.trs-reslib-hero__glow {
  position: absolute; top: -20%; right: -8%; width: 46%; height: 140%;
  background: radial-gradient(closest-side, rgba(186,31,57,0.38), transparent); pointer-events: none;
}
.trs-reslib-hero__grid {
  position: relative; padding: clamp(20px, 3vw, 32px) var(--gutter) clamp(24px, 3vw, 36px);
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 48px; align-items: center;
}

.trs-reslib-hero__breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; font-family: var(--font-sans); font-size: 13px; }
.trs-reslib-hero__breadcrumb a { color: rgba(255,255,255,0.62); text-decoration: none; }
.trs-reslib-hero__breadcrumb a:hover { color: #fff; }
.trs-reslib-hero__breadcrumb span:not([aria-current]) { color: rgba(255,255,255,0.3); }
.trs-reslib-hero__breadcrumb [aria-current] { color: #fff; font-weight: 600; }

.trs-reslib-hero__title {
  font-family: var(--font-display); font-weight: 800; font-size: clamp(2.1rem, 4.2vw, 3.2rem);
  line-height: 1.04; letter-spacing: -0.02em; text-transform: uppercase; color: #fff; margin: 0;
}
.trs-reslib-hero__body { font-family: var(--font-sans); font-size: 1.0625rem; line-height: 1.6; color: var(--graphite-200); max-width: 52ch; margin: 16px 0 0; }

.trs-reslib-hero__media {
  position: relative; width: 100%; aspect-ratio: 4 / 3; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14); box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--graphite-800), var(--graphite-950));
}
.trs-reslib-hero__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: block; }
.trs-reslib-hero__media img.is-hidden { display: none; }
.trs-reslib-hero__media-fallback {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; text-align: center; padding: 20px;
  color: var(--graphite-400); font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
}
.trs-reslib-hero__media-fallback[hidden] { display: none; }

.trs-reslib-hero__cta {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  border: 1px solid rgba(255,255,255,0.14); box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--graphite-800), var(--graphite-950));
  padding: clamp(24px, 3vw, 32px);
  display: flex; align-items: center; justify-content: center; gap: 22px;
}
.trs-reslib-hero__cta-icon {
  width: 68px; height: 68px; flex-shrink: 0; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,0.08); color: var(--amber-400);
}
.trs-reslib-hero__cta-content { display: flex; flex-direction: column; }
.trs-reslib-hero__cta-title {
  font-family: var(--font-display); font-weight: 800; font-size: 20px; text-transform: uppercase; letter-spacing: -0.01em;
  color: #fff; margin: 0 0 10px;
}
.trs-reslib-hero__cta-body { font-family: var(--font-sans); font-size: 14.5px; line-height: 1.6; color: var(--graphite-200); margin: 0 0 22px; max-width: 42ch; }

@media (max-width: 860px) {
  .trs-reslib-hero__grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .trs-reslib-hero__cta { flex-direction: column; text-align: center; }
  .trs-reslib-hero__cta-body { max-width: none; }
}

/* ---------------------------------------------------------------
   Toolbar: search + product-line filter
   --------------------------------------------------------------- */
.trs-reslib-toolbar { padding: 28px 0 32px; background: var(--color-bg); }
.trs-reslib-toolbar__row { display: flex; align-items: stretch; gap: 16px; flex-wrap: wrap; }
.trs-reslib-search { position: relative; flex: 1; min-width: 240px; max-width: 440px; }
.trs-reslib-search svg { position: absolute; top: 50%; left: 12px; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.trs-reslib-search .trs-field__input { width: 100%; padding-left: 38px; box-sizing: border-box; }
.trs-reslib-line { width: 236px; box-sizing: border-box; cursor: pointer; }

@media (max-width: 640px) {
  .trs-reslib-toolbar__row { flex-direction: column; }
  .trs-reslib-search, .trs-reslib-line { max-width: none; width: 100%; }
}

/* ---------------------------------------------------------------
   Type tabs
   --------------------------------------------------------------- */
.trs-reslib-tabs { display: flex; gap: 4px; overflow-x: auto; border-bottom: 1px solid var(--color-border); margin-bottom: 6px; }
.trs-reslib-tab {
  display: inline-flex; align-items: center; gap: 7px; padding: 11px 4px; margin-right: 22px; white-space: nowrap;
  border: none; background: transparent; cursor: pointer; font-family: var(--font-sans); font-weight: 700; font-size: 13px;
  letter-spacing: 0.02em; color: var(--text-muted); border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.trs-reslib-tab:hover { color: var(--text-strong); }
.trs-reslib-tab--active { color: var(--brand); border-bottom-color: var(--brand); }
.trs-reslib-tab__count {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); background: var(--graphite-100);
  border-radius: var(--radius-pill); padding: 1px 7px;
}
.trs-reslib-tab--active .trs-reslib-tab__count { background: var(--brand-subtle); color: var(--brand); }

.trs-reslib-count { font-family: var(--font-mono); font-size: 12px; color: var(--text-muted); margin: 18px 0 6px; }

/* ---------------------------------------------------------------
   Grouped resource list
   --------------------------------------------------------------- */
.trs-reslib-group { margin-top: 22px; }
.trs-reslib-group__head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.trs-reslib-group__dot { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); flex-shrink: 0; }
.trs-reslib-group__name { font-family: var(--font-sans); font-weight: 700; font-size: 12.5px; letter-spacing: 0.09em; text-transform: uppercase; color: var(--text-strong); margin: 0; }
.trs-reslib-group__rule { flex: 1; height: 1px; background: var(--color-border); }
.trs-reslib-group__count { font-family: var(--font-mono); font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.trs-reslib-group__list {
  display: flex; flex-direction: column; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  overflow: hidden; background: var(--color-surface);
}

.trs-reslib-row {
  position: relative; display: flex; align-items: center; gap: 16px; padding: 13px 18px;
  border-bottom: 1px solid var(--color-divider); cursor: pointer; background: none; border-left: none; border-right: none; border-top: none;
  width: 100%; text-align: left; font: inherit;
}
.trs-reslib-row:last-child { border-bottom: none; }
.trs-reslib-row:hover { background: var(--graphite-50); }
.trs-reslib-row__icon {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: var(--radius-sm); background: var(--graphite-75);
  display: flex; align-items: center; justify-content: center;
}
.trs-reslib-row__main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.trs-reslib-row__title { font-family: var(--font-sans); font-weight: 600; font-size: 14px; color: var(--text-strong); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.trs-reslib-row__meta { font-family: var(--font-mono); font-size: 11.5px; color: var(--text-muted); }
.trs-reslib-row__actions { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.trs-reslib-row__chevron { color: var(--graphite-300); margin-left: 4px; flex-shrink: 0; }

@media (max-width: 640px) {
  .trs-reslib-row { flex-wrap: wrap; }
  .trs-reslib-row__chevron { display: none; }
  .trs-reslib-row__actions { flex-basis: 100%; justify-content: flex-end; padding-left: 52px; }
}

.trs-reslib-empty { padding: 72px 0; text-align: center; }
.trs-reslib-empty p { font-family: var(--font-sans); font-size: 14px; color: var(--text-muted); margin: 0; }
.trs-reslib-empty[hidden] { display: none; }

/* ---------------------------------------------------------------
   Row-level share dropdown
   --------------------------------------------------------------- */
.trs-reslib-share { position: relative; }
.trs-reslib-share__menu {
  position: absolute; top: calc(100% + 8px); right: 0; width: 176px; background: var(--color-surface);
  border: 1px solid var(--color-border-strong); border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  overflow: hidden; z-index: 30;
}
.trs-reslib-share__menu[hidden] { display: none; }
.trs-reslib-share__menu button {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 14px; border: none; background: transparent;
  cursor: pointer; font-family: var(--font-sans); font-size: 13px; color: var(--text-strong); text-align: left;
}
.trs-reslib-share__menu button:hover { background: var(--graphite-50); }
.trs-reslib-share__menu button + button { border-top: 1px solid var(--color-divider); }

/* ---------------------------------------------------------------
   Preview modal
   --------------------------------------------------------------- */
.trs-reslib-modal { max-width: 600px; padding: 0; }
.trs-reslib-modal__hero {
  position: relative; height: 200px; background: var(--graphite-75); display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.trs-reslib-modal__badge { position: absolute; top: 16px; left: 16px; }
.trs-reslib-modal__close {
  position: absolute; top: 14px; right: 14px; width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
  border: none; border-radius: var(--radius-md); background: var(--graphite-900); color: #fff; cursor: pointer;
}
.trs-reslib-modal__body { display: flex; flex-direction: column; gap: 14px; padding: 28px 28px 32px; }
.trs-reslib-modal__line { font-family: var(--font-sans); font-weight: 700; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.trs-reslib-modal__title { font-family: var(--font-display); font-weight: 700; font-size: 24px; line-height: 1.2; color: var(--text-strong); margin: 0; }
.trs-reslib-modal__desc { font-family: var(--font-sans); font-size: 14.5px; line-height: 1.6; color: var(--text-body); margin: 0; }
.trs-reslib-modal__meta {
  display: flex; flex-wrap: wrap; gap: 20px; padding: 14px 0; border-top: 1px solid var(--color-divider);
  border-bottom: 1px solid var(--color-divider); font-family: var(--font-mono); font-size: 12.5px; color: var(--text-muted);
}
.trs-reslib-modal__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.trs-reslib-modal__actions .trs-btn { flex: 1 1 130px; }
.trs-reslib-modal .trs-reslib-share__menu { bottom: calc(100% + 8px); top: auto; }