/* Phase 4A.1 — i-POSTER Template Library UI + Showcase cards */

:root {
  --lib-bg: #eef1f6;
  --lib-side: #ffffff;
  --lib-card: #ffffff;
  --lib-line: #e3e8f0;
  --lib-text: #152033;
  --lib-muted: #6b7a90;
  --lib-accent: #2f5bff;
  --lib-accent-2: #1e40af;
  --lib-accent-soft: #eaf0ff;
  --lib-ok: #0f9f6e;
  --lib-font: "IBM Plex Sans Thai", "Sarabun", sans-serif;
  --lib-display: "Sora", "IBM Plex Sans Thai", sans-serif;
  --lib-shadow: 0 10px 28px rgba(21, 32, 51, 0.08);
  --lib-side-w: 268px;
}

* { box-sizing: border-box; }

body.lib-page {
  margin: 0;
  min-height: 100vh;
  color: var(--lib-text);
  font-family: var(--lib-font);
  background:
    radial-gradient(900px 380px at 70% -10%, rgba(47, 91, 255, 0.08), transparent 55%),
    linear-gradient(180deg, #f7f8fb 0%, var(--lib-bg) 100%);
}

.lib-shell {
  display: grid;
  grid-template-columns: var(--lib-side-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* —— Sidebar —— */
.lib-side {
  background: var(--lib-side);
  border-right: 1px solid var(--lib-line);
  padding: 18px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
}
.lib-side__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px 8px;
}
.lib-side__mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background:
    linear-gradient(145deg, #4f7cff, var(--lib-accent-2));
  box-shadow: inset 0 0 0 2px rgba(255,255,255,.25);
}
.lib-side__brand strong {
  display: block;
  font-family: var(--lib-display);
  font-size: 1.05rem;
  letter-spacing: 0.02em;
}
.lib-side__brand span {
  display: block;
  color: var(--lib-muted);
  font-size: 0.72rem;
  font-weight: 600;
}
.lib-side__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 14px;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--lib-accent), var(--lib-accent-2));
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.92rem;
  box-shadow: 0 10px 22px rgba(47, 91, 255, 0.28);
}
.lib-nav {
  display: grid;
  gap: 4px;
}
.lib-nav__label {
  margin: 8px 8px 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--lib-muted);
}
.lib-nav__item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 0;
  background: transparent;
  color: var(--lib-text);
  text-decoration: none;
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
}
.lib-nav__item span { flex: 1; }
.lib-nav__item em {
  font-style: normal;
  color: var(--lib-muted);
  font-size: 0.78rem;
  font-weight: 700;
}
.lib-nav__item:hover { background: #f3f6fb; }
.lib-nav__item.is-active {
  background: var(--lib-accent-soft);
  color: var(--lib-accent-2);
}
.lib-side__foot {
  margin-top: auto;
  display: grid;
  gap: 12px;
}
.lib-promo {
  padding: 14px;
  border-radius: 14px;
  background: linear-gradient(160deg, #edf2ff, #f7f9ff);
  border: 1px solid #d9e3ff;
}
.lib-promo strong { display: block; font-size: 0.92rem; }
.lib-promo p {
  margin: 6px 0 10px;
  color: var(--lib-muted);
  font-size: 0.8rem;
  line-height: 1.4;
}
.lib-promo__btn {
  display: inline-flex;
  padding: 7px 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #c9d6fb;
  color: var(--lib-accent-2);
  font-size: 0.78rem;
  font-weight: 700;
}
.lib-storage__row {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--lib-muted);
  font-weight: 600;
  margin-bottom: 6px;
}
.lib-storage__bar {
  height: 7px;
  border-radius: 999px;
  background: #e6ebf3;
  overflow: hidden;
}
.lib-storage__bar i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, #60a5fa, var(--lib-accent));
  border-radius: inherit;
}
.lib-side__link {
  color: var(--lib-accent);
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0 4px;
}

/* —— Content —— */
.lib-content {
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.lib-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 22px;
  border-bottom: 1px solid rgba(227, 232, 240, 0.9);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 5;
}
.lib-topbar .lib-btn {
  flex: 0 0 auto;
  white-space: nowrap;
  min-height: 46px;
  padding: 10px 16px;
}
.lib-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 14px;
  height: 46px;
  border-radius: 14px;
  background: #fff;
  border: 1px solid var(--lib-line);
  box-shadow: 0 1px 0 rgba(255,255,255,.8);
}
.lib-search__ico { opacity: 0.55; }
.lib-search input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 0.95rem;
  color: var(--lib-text);
}
.lib-user {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  position: relative;
}
.lib-user__bell {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: #fff;
  border: 1px solid var(--lib-line);
}
.lib-user__meta strong {
  display: block;
  font-size: 0.88rem;
}
.lib-user__meta span {
  display: block;
  color: var(--lib-muted);
  font-size: 0.74rem;
  font-weight: 600;
}
.lib-user__trigger {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  padding: 4px 8px 4px 4px;
  border-radius: 999px;
  border: 1px solid var(--lib-line);
  background: #fff;
  cursor: pointer;
  font: inherit;
  color: inherit;
  text-align: left;
}
.lib-user__trigger:hover {
  border-color: #c7d2fe;
  box-shadow: 0 4px 12px rgba(47, 91, 255, 0.08);
}
.lib-user__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: linear-gradient(145deg, #3b6bff, #2f5bff);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  flex-shrink: 0;
}
.lib-user__avatar--lg {
  width: 48px;
  height: 48px;
  font-size: 0.95rem;
}
.lib-user__who {
  display: grid;
  min-width: 0;
  line-height: 1.2;
}
.lib-user__who strong {
  font-size: 0.86rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
.lib-user__who em {
  font-style: normal;
  font-size: 0.72rem;
  color: var(--lib-muted);
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
}
.lib-user__caret {
  color: var(--lib-muted);
  font-size: 0.7rem;
  margin-right: 4px;
}
.lib-user__panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  width: min(280px, 86vw);
  background: #fff;
  border: 1px solid var(--lib-line);
  border-radius: 14px;
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.14);
  padding: 10px;
  z-index: 40;
}
.lib-user__card {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px 8px 12px;
  margin-bottom: 4px;
  border-bottom: 1px solid #eef2f7;
}
.lib-user__card strong {
  display: block;
  font-size: 0.9rem;
}
.lib-user__card em,
.lib-user__card span {
  display: block;
  font-style: normal;
  font-size: 0.74rem;
  color: var(--lib-muted);
  word-break: break-all;
}
.lib-user__item {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
  font-size: 0.88rem;
  font-weight: 600;
}
.lib-user__item:hover { background: #f1f5ff; color: var(--lib-accent-2, #2f5bff); }
.lib-user__item--danger { color: #b91c1c; }
.lib-user__item--danger:hover { background: #fef2f2; color: #991b1b; }
.lib-user__sep {
  border: 0;
  border-top: 1px solid #eef2f7;
  margin: 6px 0;
}
.lib-user__login,
.lib-user__register {
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 999px;
}
.lib-user__login { color: var(--lib-accent-2, #2f5bff); }
.lib-user__register {
  background: #2f5bff;
  color: #fff;
}

.lib-main {
  padding: 22px 28px 48px;
  max-width: none;
  width: 100%;
  margin: 0;
}

.lib-hero-copy {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.lib-hero-copy h1 {
  margin: 0;
  font-family: var(--lib-display);
  font-size: clamp(1.45rem, 2.4vw, 2rem);
  letter-spacing: -0.02em;
}
.lib-hero-copy p {
  margin: 8px 0 0;
  color: var(--lib-muted);
  font-size: 0.92rem;
  max-width: 46ch;
  line-height: 1.45;
}
.lib-sort {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--lib-muted);
}
.lib-sort select {
  border: 1px solid var(--lib-line);
  background: #fff;
  border-radius: 10px;
  padding: 8px 10px;
  font: inherit;
  color: var(--lib-text);
  font-weight: 600;
}

.lib-filters {
  margin-bottom: 18px;
}
.lib-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 0;
  align-items: center;
}
.lib-chip {
  border: 1px solid var(--lib-line);
  background: #fff;
  color: var(--lib-text);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
}
.lib-chip.is-active {
  background: var(--lib-accent);
  border-color: transparent;
  color: #fff;
}
.lib-chip--fav.is-active {
  background: #be123c;
}
.lib-chip-more {
  position: relative;
}
.lib-chip-more > summary {
  list-style: none;
  border: 1px dashed var(--lib-line);
  background: #fff;
  color: var(--lib-muted);
  border-radius: 999px;
  padding: 8px 14px;
  font: inherit;
  font-size: 0.84rem;
  font-weight: 650;
  cursor: pointer;
  user-select: none;
}
.lib-chip-more > summary::-webkit-details-marker { display: none; }
.lib-chip-more[open] > summary {
  border-style: solid;
  color: var(--lib-text);
}
.lib-chip-more__panel {
  position: absolute;
  z-index: 20;
  top: calc(100% + 8px);
  left: 0;
  min-width: 220px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--lib-line);
  background: #fff;
  box-shadow: 0 16px 32px rgba(15, 23, 42, 0.12);
}

.lib-section { margin-bottom: 28px; }
.lib-section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}
.lib-section__head h2 {
  margin: 0;
  font-family: var(--lib-display);
  font-size: 1.15rem;
}
.lib-section__note {
  color: var(--lib-muted);
  font-size: 0.8rem;
  font-weight: 600;
}
.lib-section__link {
  color: var(--lib-accent-2);
  font-size: 0.84rem;
  font-weight: 700;
  text-decoration: none;
}
.lib-section__link:hover { text-decoration: underline; }

.lib-empty {
  padding: 28px;
  border-radius: 16px;
  background: #fff;
  border: 1px dashed var(--lib-line);
  color: var(--lib-muted);
}
.lib-empty strong {
  display: block;
  color: var(--lib-text);
  margin-bottom: 6px;
}
.lib-empty-filter {
  margin: 12px 0 0;
  color: var(--lib-muted);
  font-size: 0.9rem;
}
.hidden { display: none !important; }

.lib-card {
  width: 100%;
  max-width: none;
  justify-self: stretch;
  background: var(--lib-card);
  border: 0;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--lib-shadow);
  display: flex;
  flex-direction: column;
  transition: transform .18s ease, box-shadow .18s ease;
  min-width: 0;
}
/* แถวละ 5 เต็มความกว้าง */
.lib-gallery,
.lib-rail {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 18px;
  align-items: start;
}
@media (max-width: 1200px) {
  .lib-gallery,
  .lib-rail { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .lib-gallery,
  .lib-rail { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
.lib-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 18px 36px rgba(21, 32, 51, 0.14);
}
.lib-card__media {
  position: relative;
  flex: 1 1 auto;
}
.lib-card__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  padding: 4px 8px;
  border-radius: 999px;
  background: #111827;
  color: #fff;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.02em;
}
.lib-card__badge:not(.hidden):empty {
  display: none;
}
.lib-card__fav {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 4;
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.92);
  box-shadow: 0 4px 14px rgba(15,23,42,.12);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  color: #64748b;
  transition: color .15s ease, transform .15s ease;
}
.lib-card__fav.is-on {
  color: #e11d48;
}
.lib-card__fav:hover {
  transform: scale(1.06);
}

/**
 * Thumbnail = Full Poster Fit/Contain เท่านั้น
 * iframe เต็มกรอบ thumb · preview.php (embed) เป็นคน scale stage
 * ห้าม scale iframe ที่ parent อีกชั้น (จะเหลือแค่มุม / รูปจิ๋ว)
 */
.lib-card__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: var(--poster-w, 1054) / var(--poster-h, 1492);
  overflow: hidden;
  background: #0f172a;
}
.lib-card__showcase {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  max-width: none !important;
  max-height: none !important;
  border: 0;
  pointer-events: none;
  background: #111;
  transform: none !important;
}

/* Hover: โปสเตอร์เป็น interaction หลัก → มืดลง + ดูตัวอย่าง */
.lib-card__hover {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 0;
  cursor: pointer;
  background: rgba(15, 23, 42, 0);
  color: #fff;
  opacity: 0;
  transition: background .2s ease, opacity .2s ease;
}
.lib-card__hover span {
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--lib-accent-2);
  font: inherit;
  font-size: 0.88rem;
  font-weight: 700;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.18);
  transform: translateY(6px);
  transition: transform .2s ease;
}
.lib-card__media:hover .lib-card__hover,
.lib-card__media:focus-within .lib-card__hover {
  opacity: 1;
  background: rgba(15, 23, 42, 0.42);
}
.lib-card__media:hover .lib-card__hover span,
.lib-card__media:focus-within .lib-card__hover span {
  transform: translateY(0);
}

/* ข้อมูลการ์ด: compact — ชื่อ · หมวด · Action (ไม่โชว์ Template ID) */
.lib-card__body {
  flex: 0 0 auto;
  padding: 8px 10px 10px;
  display: grid;
  gap: 4px;
}
.lib-card__body h3 {
  margin: 0;
  font-family: var(--lib-display);
  font-size: 0.92rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lib-card__meta {
  margin: 0;
  color: var(--lib-muted);
  font-size: 0.74rem;
  font-weight: 600;
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.lib-card__meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
}
.lib-card__cat {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 0.68rem;
  font-weight: 700;
}
.lib-card__actions {
  display: flex;
  gap: 6px;
  margin-top: 4px;
}
.lib-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border-radius: 10px;
  padding: 7px 8px;
  font: inherit;
  font-size: 0.74rem;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  border: 1px solid var(--lib-line);
  background: #fff;
  color: var(--lib-text);
  flex: 1;
  min-width: 0;
}
.lib-btn-primary {
  background: linear-gradient(145deg, var(--lib-accent), var(--lib-accent-2));
  border-color: transparent;
  color: #fff;
}
.lib-btn-ghost {
  background: var(--lib-accent-soft);
  color: var(--lib-accent-2);
  border-color: #c9dafb;
}

.lib-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 16px;
}

.lib-pager {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 18px 0 4px;
}
.lib-pager__btn {
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border-radius: 10px;
  border: 1px solid var(--lib-line);
  background: #fff;
  color: var(--lib-text);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.lib-pager__btn.is-current {
  background: var(--lib-accent);
  border-color: transparent;
  color: #fff;
  cursor: default;
}
.lib-pager__btn.is-disabled {
  opacity: 0.4;
  cursor: default;
}
.lib-pager__ellipsis {
  color: var(--lib-muted);
  font-weight: 700;
  padding: 0 4px;
}

.lib-dialog {
  border: none;
  border-radius: 16px;
  padding: 0;
  width: min(1100px, 96vw);
  height: min(90vh, 920px);
  max-width: 96vw;
  max-height: 90vh;
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.28);
  overflow: hidden;
  background: #fff;
}
.lib-dialog--detail,
.lib-dialog--quick {
  width: min(1200px, 80vw);
  height: min(860px, 80vh);
  max-width: 80vw;
  max-height: 80vh;
}
.lib-dialog__body {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) min(340px, 34vw);
}
.lib-dialog__preview-col {
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}
.lib-dialog__info {
  overflow-y: auto;
  border-left: 1px solid var(--lib-line);
  padding: 16px 14px 18px;
  background: #f8fafc;
}
.lib-detail__loading {
  margin: 0;
  color: var(--lib-muted);
  font-size: 0.88rem;
  font-weight: 600;
}
.lib-detail__content.hidden,
.lib-detail__loading.hidden { display: none; }
.lib-detail__title {
  margin: 0 0 6px;
  font-family: var(--lib-display);
  font-size: 1.15rem;
  line-height: 1.25;
}
.lib-detail__meta {
  margin: 0 0 14px;
  color: var(--lib-muted);
  font-size: 0.86rem;
  font-weight: 600;
}
.lib-detail__section {
  margin: 0 0 14px;
}
.lib-detail__section h3 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--lib-muted);
}
.lib-detail__count {
  margin: 8px 0 0;
  font-size: 0.78rem;
  color: var(--lib-muted);
  font-weight: 600;
}
.lib-detail__caps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}
.lib-detail__caps li {
  position: relative;
  padding-left: 18px;
  font-size: 0.86rem;
  font-weight: 600;
}
.lib-detail__caps li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: #2563eb;
  font-weight: 800;
}
.lib-detail__canvas,
.lib-detail__export {
  margin: 0 0 8px;
  font-size: 0.82rem;
  color: var(--lib-muted);
  font-weight: 600;
}
.lib-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
}
.lib-detail__tag {
  display: inline-flex;
  padding: 4px 8px;
  border-radius: 999px;
  background: #eef2ff;
  color: #3730a3;
  font-size: 0.72rem;
  font-weight: 700;
}
.lib-detail__use {
  width: 100%;
  justify-content: center;
  margin-top: 4px;
}
.lib-bg-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}
.lib-bg-card {
  display: grid;
  gap: 4px;
  padding: 6px;
  border: 1px solid var(--lib-line);
  border-radius: 10px;
  background: #fff;
  cursor: pointer;
  text-align: left;
}
.lib-bg-card:hover { border-color: #93c5fd; }
.lib-bg-card.is-selected {
  border-color: #2563eb;
  box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.18);
}
.lib-bg-card__thumb {
  position: relative;
  aspect-ratio: 1054 / 1492;
  border-radius: 6px;
  overflow: hidden;
  background: #111;
}
.lib-bg-card__thumb--default {
  background: linear-gradient(145deg, #e2e8f0, #cbd5e1);
  color: #475569;
  display: grid;
  place-items: center;
}
.lib-bg-card__thumb--default em {
  font-style: normal;
  font-size: 0.68rem;
  font-weight: 700;
}
.lib-bg-card__frame,
.lib-bg-card__photo {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  border: 0;
  pointer-events: none;
  background: #111;
  transform: none !important;
}
.lib-bg-card__photo {
  object-fit: contain;
  object-position: center;
}
.lib-bg-card__name {
  font-size: 0.68rem;
  font-weight: 700;
  color: #334155;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.lib-dialog__preview-col .lib-dialog__zoom {
  flex: 0 0 auto;
}
.lib-dialog[open] {
  display: flex;
  flex-direction: column;
}
body.lib-preview-open {
  overflow: hidden;
}
.lib-dialog:not([open]) { display: none; }
.lib-dialog::backdrop {
  background: rgba(15, 23, 42, 0.45);
}
.lib-dialog__bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--lib-line);
  background: #fff;
  min-height: 56px;
}
.lib-dialog__bar strong {
  font-family: var(--lib-display);
  font-size: 0.95rem;
}
.lib-dialog__actions {
  display: flex;
  gap: 8px;
}
.lib-preview-fav.is-on {
  color: #e11d48;
}
.lib-dialog__actions .lib-btn { flex: 0 0 auto; }

/* Showcase Detail viewport — Fit ทั้งใบ · ไม่ scroll ตอน Fit */
.lib-dialog__stage {
  flex: 1 1 auto;
  min-height: 0;
  position: relative;
  overflow: hidden;
  padding: 0;
  background:
    radial-gradient(circle at 50% 30%, #2a3548 0%, #161d2a 70%);
}
.lib-dialog__stage-frame {
  box-sizing: border-box;
  min-width: 100%;
  min-height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.lib-dialog__stage.is-scrollable {
  overflow: auto;
}
.lib-dialog__viewport {
  position: relative;
  flex-shrink: 0;
  overflow: hidden;
  background: #111;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.35);
}
.lib-dialog__canvas {
  position: absolute;
  left: 0;
  top: 0;
  border: 0;
  background: #111;
  transform-origin: top left;
  pointer-events: none;
}

.lib-dialog__zoom {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-top: 1px solid var(--lib-line);
  background: #f8fafc;
}
.lib-zoom-btn {
  min-width: 36px;
  height: 32px;
  padding: 0 10px;
  border-radius: 8px;
  border: 1px solid var(--lib-line);
  background: #fff;
  color: var(--lib-text);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
}
.lib-zoom-btn:hover { border-color: #b9c9f5; color: var(--lib-accent-2); }
.lib-zoom-btn.is-active {
  background: var(--lib-accent-soft);
  border-color: #c9dafb;
  color: var(--lib-accent-2);
}
.lib-zoom-label {
  min-width: 72px;
  text-align: center;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--lib-muted);
  font-variant-numeric: tabular-nums;
}

@media (max-width: 980px) {
  .lib-shell { grid-template-columns: 1fr; }
  .lib-side {
    position: relative;
    height: auto;
    border-right: 0;
    border-bottom: 1px solid var(--lib-line);
  }
  .lib-side__foot { display: none; }
  .lib-hero-copy { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 900px) {
  .lib-dialog--detail,
  .lib-dialog--quick {
    width: min(96vw, 640px);
    height: min(94vh, 900px);
    max-width: 96vw;
    max-height: 94vh;
  }
  .lib-dialog__body {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(240px, 1fr) auto;
  }
  .lib-dialog__info {
    border-left: 0;
    border-top: 1px solid var(--lib-line);
    max-height: 42vh;
  }
  .lib-bg-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .lib-topbar, .lib-main { padding-left: 14px; padding-right: 14px; }
  .lib-topbar { flex-wrap: wrap; }
  .lib-search { flex: 1 1 100%; min-width: 0; }
  .lib-search input { min-width: 0; }
  .lib-user__who { display: none; }
  .lib-user__caret { display: none; }
  .lib-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .lib-dialog--detail,
  .lib-dialog--quick {
    width: calc(100vw - 12px);
    height: min(96vh, 100dvh - 8px);
    max-width: calc(100vw - 12px);
    max-height: min(96vh, 100dvh - 8px);
  }
  .lib-chip, .lib-btn { min-height: 40px; }
}