/* library.css - page layout for public/library.html (phase 3).
   Every colour, radius, shadow, font and spacing value comes from a sns.css
   token. Raw px only for structural widths and icon boxes, as in app-shell.css. */

/* --- 1. Page header ------------------------------------------------------ */

.lib-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-6);
}

.lib-head-text h1 {
  margin: 0 0 var(--s-1);
}

.lib-head-text p {
  margin: 0;
}

.lib-head-actions {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  flex-wrap: wrap;
}

.lib-search {
  flex: 1 1 240px;
  min-width: 220px;
  max-width: 360px;
}

.lib-select-wrap {
  display: inline-flex;
}

.lib-select-wrap .sns-input {
  width: auto;
  min-width: 160px;
}

#lib-manage-btn .sns-icon {
  width: 16px;
  height: 16px;
}

/* --- 2. Tabs ------------------------------------------------------------- */

.lib-tabs {
  margin-bottom: var(--s-6);
}

/* --- 3. Link table -------------------------------------------------------- */

#lib-table {
  min-width: 720px;
}

.sns-card--pad-0 {
  overflow-x: auto;
}

#lib-rows td {
  vertical-align: middle;
}

.lib-cell-title {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  font-weight: 600;
  color: var(--sns-ink-2);
}

.lib-cell-title .sns-icon {
  width: 16px;
  height: 16px;
  color: var(--sns-ink-4);
  flex: 0 0 auto;
}

.lib-cell-short {
  color: var(--sns-brand-ink);
  text-decoration: none;
  font-size: var(--fs-sm);
  display: inline-block;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: middle;
}

.lib-cell-short:hover,
.lib-cell-short:focus {
  text-decoration: underline;
}

.lib-cell-project {
  font-size: var(--fs-sm);
  color: var(--sns-ink-3);
  white-space: nowrap;
}

#lib-rows .sns-icon-btn {
  vertical-align: middle;
}

/* --- 4. Pagination -------------------------------------------------------- */

.lib-pages {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--s-3);
  margin-top: var(--s-3);
}

.lib-pages[hidden] {
  display: none;
}

/* --- 5. Empty states ------------------------------------------------------- */

.lib-empty-card {
  padding: var(--s-4);
}

.lib-empty-card .sns-empty .sns-icon {
  width: 24px;
  height: 24px;
  color: var(--sns-ink-4);
}

/* --- 6. Overflow menu ------------------------------------------------------ */

.lib-menu {
  position: absolute;
  min-width: 190px;
  background: var(--sns-surface);
  border: 1px solid var(--sns-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  padding: var(--s-1) 0;
  z-index: 80;
}

.lib-menu button,
.lib-menu a {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--s-2) var(--s-3);
  background: transparent;
  border: 0;
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--sns-ink-2);
  text-decoration: none;
  cursor: pointer;
}

.lib-menu button:hover,
.lib-menu a:hover {
  background: var(--sns-surface-2);
}

.lib-menu .is-danger {
  color: var(--sns-danger);
}

/* --- 7. Flipbooks tab ------------------------------------------------------- */

.lib-fb-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--s-4);
  flex-wrap: wrap;
  margin-bottom: var(--s-4);
}

.lib-fb-head h2 {
  margin: 0 0 var(--s-1);
}

.lib-fb-head p {
  margin: 0;
}

#lib-flipbook-view .sns-dropzone {
  margin-bottom: var(--s-4);
  width: 100%;
}

#lib-upload-btn {
  flex: 0 0 auto;
}

.lib-sr-file {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
  white-space: nowrap;
}

.lib-fb-form {
  display: flex;
  flex-direction: column;
  gap: var(--s-4);
  background: var(--sns-surface);
  border: 1px solid var(--sns-line);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-xs);
  padding: var(--s-5);
  margin-bottom: var(--s-6);
}

.lib-fb-form[hidden] {
  display: none;
}

.lib-file-name[hidden] {
  display: none;
}

.lib-file-name {
  margin: 0;
}

/* flipbook.css restyles these fields for the old page; restate the sns-input
   values with the page id so the upload panel matches the system. */
#fb-upload-form .sns-input {
  height: 44px;
  padding: 0 var(--s-4);
  background: var(--sns-surface);
  border: 1px solid var(--sns-line);
  border-radius: var(--r-md);
  color: var(--sns-ink-2);
  font-size: var(--fs-base);
  width: 100%;
}

#fb-upload-form .sns-input:hover {
  border-color: var(--sns-line-strong);
}

#fb-upload-form .sns-input:focus {
  outline: none;
  border-color: var(--sns-brand);
  box-shadow: var(--sns-focus-ring);
}

#fb-upload-form .fb-label {
  color: var(--sns-ink-2);
  font-size: var(--fs-sm);
}

#fb-upload-form .fb-field {
  margin: 0;
}

.lib-fb-advanced > summary {
  cursor: pointer;
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--sns-ink-3);
  padding: var(--s-1) 0;
  border-top: 1px solid var(--sns-line);
}

.lib-fb-adv-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--s-3);
  margin-top: var(--s-3);
}

.lib-fb-adv-field {
  display: flex;
  flex-direction: column;
  gap: var(--s-1);
  font-size: var(--fs-sm);
  color: var(--sns-ink-3);
}

.lib-fb-advanced > .sns-type-meta {
  margin: var(--s-2) 0 0;
}

.lib-fb-check {
  display: flex;
  align-items: center;
  gap: var(--s-2);
  font-size: var(--fs-sm);
  color: var(--sns-ink-2);
}

.lib-fb-form-foot {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}

/* --- 8. Flipbook project chips ---------------------------------------------- */

.fb-folder-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  align-items: center;
  margin: 0 0 var(--s-4);
}

.fb-folder-chip {
  padding: var(--s-1) var(--s-3);
  border: 1px solid var(--sns-line);
  background: var(--sns-surface);
  border-radius: var(--r-full);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--sns-ink-2);
  line-height: 1.2;
}

.fb-folder-chip:hover {
  background: var(--sns-surface-2);
}

.fb-folder-chip.fb-folder-active {
  background: var(--sns-brand-tint);
  color: var(--sns-brand-ink);
  border-color: var(--sns-brand-tint-2);
}

.fb-folder-chip .fb-folder-rm {
  margin-left: var(--s-1);
  opacity: 0.6;
}

.fb-folder-chip .fb-folder-rm:hover {
  opacity: 1;
}

.fb-folder-edit {
  margin-left: var(--s-1);
  opacity: 0.7;
  cursor: pointer;
  font-size: var(--fs-xs);
}

.fb-folder-edit:hover {
  opacity: 1;
}

.fb-folder-new {
  padding: var(--s-1) var(--s-3);
  border: 1px solid var(--sns-line-strong);
  background: transparent;
  border-radius: var(--r-full);
  cursor: pointer;
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--sns-ink-3);
  line-height: 1.2;
}

.fb-folder-new:hover {
  background: var(--sns-surface-2);
}

.fb-card-folder {
  display: inline-flex;
  align-items: center;
  padding: 0 var(--s-2);
  border-radius: var(--r-full);
  background: var(--sns-surface-2);
  font-size: var(--fs-xs);
  color: var(--sns-ink-4);
  margin-left: var(--s-2);
  vertical-align: middle;
}

.fb-folder-menu {
  position: absolute;
  background: var(--sns-surface);
  border: 1px solid var(--sns-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-md);
  z-index: 90;
  min-width: 190px;
  padding: var(--s-1) 0;
}

.fb-folder-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: var(--s-2) var(--s-3);
  background: transparent;
  border: 0;
  cursor: pointer;
  font-size: var(--fs-sm);
  font-family: inherit;
  color: var(--sns-ink-2);
}

.fb-folder-menu button:hover {
  background: var(--sns-surface-2);
}

.fb-folder-menu button.fb-fm-current {
  background: var(--sns-surface-2);
  font-weight: 600;
}

/* --- 9. Flipbook card grid ---------------------------------------------------- */

#fb-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: var(--s-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

#fb-list li.fb-item {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: 1px solid var(--sns-line);
  border-radius: var(--r-lg);
  background: var(--sns-surface);
  box-shadow: var(--sh-xs);
  transition: box-shadow var(--dur-2) var(--ease), border-color var(--dur-2) var(--ease);
}

#fb-list li.fb-item:hover {
  border-color: var(--sns-line-strong);
  box-shadow: var(--sh-sm);
}

#fb-list .fb-thumb {
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 4;
  flex: 0 0 auto;
  object-fit: cover;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
  border: 0;
  border-bottom: 1px solid var(--sns-line);
  background: var(--sns-surface-2);
  display: block;
}

#fb-list .fb-info {
  flex: 1 1 auto;
  min-width: 0;
  padding: var(--s-3) var(--s-4) 0;
}

#fb-list .fb-title {
  font-weight: 600;
  color: var(--sns-ink-2);
  font-size: var(--fs-base);
  word-break: break-word;
}

#fb-list .fb-meta {
  color: var(--sns-ink-4);
  font-size: var(--fs-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1) var(--s-2);
  margin-top: var(--s-1);
  align-items: center;
}

#fb-list .fb-meta a {
  color: var(--sns-brand-ink);
  text-decoration: none;
}

#fb-list .fb-meta a:hover,
#fb-list .fb-meta a:focus {
  text-decoration: underline;
}

#fb-list .fb-actions-cell {
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-2);
  flex: 0 0 auto;
  padding: var(--s-3) var(--s-4) var(--s-4);
  position: relative;
}

#fb-list .fb-actions-cell button {
  font-size: var(--fs-sm);
  font-family: inherit;
  padding: var(--s-1) var(--s-2);
  border: 1px solid var(--sns-line-strong);
  border-radius: var(--r-sm);
  background: var(--sns-surface);
  color: var(--sns-ink-2);
  cursor: pointer;
}

#fb-list .fb-actions-cell button:hover {
  background: var(--sns-surface-press, var(--sns-surface-2));
}

#fb-list .fb-empty {
  grid-column: 1 / -1;
  padding: var(--s-12) var(--s-6);
  color: var(--sns-ink-4);
  font-size: var(--fs-base);
  text-align: center;
  border: 2px dashed var(--sns-line);
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-3);
}

#fb-list .fb-empty h3 {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 600;
  color: var(--sns-ink-2);
}

#fb-list .fb-empty p {
  margin: 0;
  font-size: var(--fs-base);
}

.lib-empty-body .sns-icon-circle .sns-icon,
#fb-list .fb-empty .sns-icon-circle .sns-icon {
  width: 20px;
  height: 20px;
}

/* --- 10. Manage projects dialog ------------------------------------------------ */

.lib-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--s-4);
  z-index: 70;
}

.lib-modal::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--sns-ink);
  opacity: 0.45;
}

.lib-modal[hidden] {
  display: none;
}

.lib-modal-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  background: var(--sns-surface);
  border-radius: var(--r-lg);
  box-shadow: var(--sh-lg);
  padding: var(--s-6);
}

.lib-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.lib-modal-head h3 {
  margin: 0;
}

.lib-newproj-open {
  margin: 0 0 var(--s-3);
}

.lib-newproj {
  display: flex;
  gap: var(--s-2);
  align-items: center;
  margin-bottom: var(--s-3);
}

.lib-newproj[hidden] {
  display: none;
}

.lib-newproj .sns-input {
  flex: 1 1 auto;
}

.lib-proj-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.lib-proj-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) 0;
  border-bottom: 1px solid var(--sns-line);
  flex-wrap: wrap;
}

.lib-proj-item:last-child {
  border-bottom: 0;
}

.lib-proj-main {
  flex: 1 1 200px;
  min-width: 0;
}

.lib-proj-name {
  font-weight: 600;
  color: var(--sns-ink-2);
  font-size: var(--fs-base);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.lib-proj-meta {
  font-size: var(--fs-sm);
  color: var(--sns-ink-4);
  margin-top: var(--s-1);
}

.lib-proj-actions {
  display: flex;
  gap: var(--s-1);
  flex-wrap: wrap;
}

.lib-proj-actions button {
  font-size: var(--fs-sm);
  font-family: inherit;
  padding: var(--s-1) var(--s-2);
  border: 1px solid var(--sns-line-strong);
  border-radius: var(--r-sm);
  background: var(--sns-surface);
  color: var(--sns-ink-2);
  cursor: pointer;
}

.lib-proj-actions button:hover {
  background: var(--sns-surface-press, var(--sns-surface-2));
}

.lib-proj-actions button.is-danger {
  color: var(--sns-danger);
}

.lib-proj-empty {
  padding: var(--s-6) 0;
  text-align: center;
  color: var(--sns-ink-4);
  font-size: var(--fs-base);
}

/* In-cell overflow menu for flipbook cards: stays inside the list so
   flipbook.js's delegated click handlers keep firing on the moved buttons. */
.lib-fb-overflow {
  right: 0;
  top: 100%;
  margin-top: var(--s-2);
}

.lib-fb-dots {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  border: 1px solid var(--sns-line-strong);
  border-radius: var(--r-sm);
  background: var(--sns-surface);
  color: var(--sns-ink-2);
  cursor: pointer;
}

.lib-fb-dots:hover {
  background: var(--sns-surface-press, var(--sns-surface-2));
}

.lib-fb-dots .sns-icon {
  width: 16px;
  height: 16px;
}

.sns-icon-circle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  background: var(--sns-surface-2);
  color: var(--sns-ink-3);
}

/* --- 11. Copied flipbook modal helpers ------------------------------------------ */

.lib-set-h {
  margin: var(--s-4) 0 var(--s-2);
  font-size: var(--fs-sm);
  color: var(--sns-ink-3);
}

.lib-modal-note {
  color: var(--sns-ink-4);
  margin: 0 0 var(--s-3);
  font-size: var(--fs-sm);
}

.lib-modal-row {
  margin-top: var(--s-3);
  display: flex;
  gap: var(--s-2);
  align-items: center;
}

.lib-modal-row > :last-child {
  margin-left: auto;
}

.lib-modal-row a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.lib-modal-count {
  color: var(--sns-ink-4);
  font-size: var(--fs-sm);
}

.lib-narrow-num {
  width: var(--s-24);
}

/* --- 12. Small screens ----------------------------------------------------------- */

@media (max-width: 720px) {
  .lib-head {
    align-items: flex-start;
    flex-direction: column;
  }

  .lib-search {
    max-width: none;
    flex-basis: 100%;
  }

  .lib-select-wrap {
    flex: 1 1 45%;
  }

  .lib-select-wrap .sns-input {
    width: 100%;
  }

  .lib-fb-adv-grid {
    grid-template-columns: 1fr;
  }

  #fb-list {
    grid-template-columns: 1fr;
  }
}