/* pages/library.css — phần riêng của trang Thư viện (templates/pages/library.html).
   Bản vẽ: design/redesign-style-c/frames/TV_*. Chỉ dùng biến trong tokens.css. */

.lib-page { max-width: 1100px; }
.lib-grow { flex-grow: 1; }
/* hidden phải thắng các lớp có display riêng (.prop, .callout, .menu-item…) */
.lib-page [hidden], .lib-modal [hidden] { display: none !important; }
.lib-danger, .lib-danger .icon { color: var(--red); }
.menu-item.lib-danger:hover { color: var(--red); }
.lib-tag-red { background: var(--red-bg); color: var(--red); }

/* Nút vuông chỉ có icon (⋯, ⋮⋮, đóng) */
.lib-icon-btn {
  width: 28px; height: 28px; flex-shrink: 0; padding: 0;
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--bg); color: var(--muted);
  display: grid; place-items: center; cursor: pointer;
}
.lib-icon-btn:hover { border-color: var(--faint); color: var(--ink); }

/* ── Đọc tiếp ────────────────────────────────────────────────────── */
.lib-continue { padding: 16px 18px; }
.lib-continue-icon {
  width: 32px; height: 32px; flex-shrink: 0; border-radius: var(--r-md);
  background: var(--bg); color: var(--accent); display: grid; place-items: center;
}
.lib-continue-text { flex-grow: 1; min-width: 0; }
.lib-continue-label { margin: 0; font-size: 13px; color: var(--muted); }
.lib-continue-title {
  margin: 2px 0 0; font-size: 16px; font-weight: 600; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lib-continue-meta { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.lib-continue .btn { height: 38px; padding: 0 18px; font-size: 14px; flex-shrink: 0; }

/* ── Thanh công cụ: tab lọc + ngôn ngữ + kiểu xem + tải lên ──────── */
.lib-page .section-title { margin: 34px 0 10px; font-size: 24px; }
/* Không đủ chỗ thì công cụ lên hàng trên, tab lọc ở hàng dưới sát đường kẻ */
.lib-toolbar {
  display: flex; flex-wrap: wrap-reverse; align-items: flex-end; gap: 4px 12px;
  border-bottom: 1px solid var(--line);
}
.lib-tabs { display: flex; gap: 20px; flex: 1 0 auto; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.lib-tab {
  height: 36px; padding: 0 2px; border: 0; background: none;
  font: inherit; font-size: 14px; color: var(--muted); white-space: nowrap; cursor: pointer;
}
.lib-tab:hover { color: var(--ink); }
.lib-tab[aria-selected="true"] { color: var(--ink); font-weight: 600; box-shadow: inset 0 -2px 0 var(--ink); }
.lib-tab-count { color: var(--faint); font-weight: 400; }
.lib-tools { display: flex; align-items: center; gap: 8px; padding-bottom: 5px; flex-shrink: 0; margin-left: auto; }
.lib-tool-btn { height: 30px; padding: 0 10px; }
.lib-tool-btn .icon { color: var(--muted); }
.lib-upload-btn .icon { color: var(--on-accent); }
.lib-lang { position: relative; }
.lib-lang-menu { left: auto; right: 0; }
.lib-view { display: inline-flex; border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.lib-view button {
  width: 32px; height: 28px; padding: 0; border: 0;
  background: var(--bg); color: var(--muted); display: grid; place-items: center; cursor: pointer;
}
.lib-view button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); }

.lib-filter-empty { margin: 24px 0; font-size: 14px; }

/* ── Dạng thẻ ────────────────────────────────────────────────────── */
.lib-grid { margin-top: 16px; display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
/* Không overflow:hidden — menu ⋯ phải tràn ra ngoài thẻ; bo góc ảnh trang ở .lib-card .lib-thumb */
.lib-card {
  position: relative;
  border: 1px solid var(--line); border-radius: var(--r-md); background: var(--bg);
}
.lib-card:hover { border-color: var(--faint); }
.lib-card-link { display: block; color: var(--ink); text-decoration: none; }
.lib-card-link:hover { color: var(--ink); }
div.lib-card-link { cursor: default; }
.lib-card-body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 8px; }
.lib-card-title {
  margin: 0; font-size: 15px; font-weight: 600; color: var(--ink);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.lib-meta { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); flex-wrap: wrap; }
.lib-dot { color: var(--faint); }
.lib-card-tools {
  position: absolute; top: 8px; left: 8px; right: 8px;
  display: flex; justify-content: space-between; pointer-events: none;
}
.lib-card-tools > * { pointer-events: auto; }
.lib-grip { cursor: grab; }
.lib-more { position: relative; }
.lib-card-menu { left: auto; right: 0; min-width: 200px; }
.lib-menu-sep { height: 1px; border: 0; margin: 4px 0; background: var(--line); }
.lib-card-note { margin: 0; display: flex; flex-direction: column; align-items: flex-start; gap: 6px; font-size: 13px; color: var(--muted); }
.lib-card.is-processing .lib-thumb-page, .lib-card.is-error .lib-thumb-page { opacity: 0.55; }
.lib-busy { animation: lib-pulse 1.4s ease-in-out infinite; }
@keyframes lib-pulse { 50% { opacity: 0.55; } }

.lib-progress { display: flex; align-items: center; gap: 10px; min-width: 0; }
.lib-progress-label { flex-shrink: 0; font-size: 12px; color: var(--muted); white-space: nowrap; }

.is-dragging { opacity: 0.45; }
.lib-card.is-drag-over { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft); }
.lib-row.is-drag-over { box-shadow: inset 0 2px 0 var(--accent); }

/* Trang giấy thu nhỏ (vẽ bằng CSS — chưa có ảnh bìa thật của PDF) */
.lib-thumb {
  height: 132px; background: var(--bg-soft);
  display: flex; justify-content: center; align-items: flex-end; overflow: hidden;
}
.lib-card .lib-thumb { border-radius: calc(var(--r-md) - 1px) calc(var(--r-md) - 1px) 0 0; }
.lib-thumb-lg { height: 200px; margin: 0 -32px; border-bottom: 1px solid var(--line); }
.lib-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top center; background: var(--bg); }
.lib-thumb-page {
  width: 62%; height: 86%; padding: 14px 12px;
  background: var(--bg); box-shadow: var(--shadow-icon);
  display: flex; flex-direction: column; gap: 6px;
}
.lib-thumb-page span { display: block; height: 5px; border-radius: 2px; background: var(--placeholder); }
.lib-thumb-page .lib-thumb-head { width: 45%; height: 7px; margin-bottom: 4px; background: var(--line); filter: brightness(0.9); }
.lib-thumb-page span:nth-child(3n) { width: 88%; }
.lib-thumb-page span:nth-child(4n) { width: 70%; }
.lib-thumb-page span:last-child { width: 40%; }

/* ── Dạng bảng ───────────────────────────────────────────────────── */
.lib-row {
  display: grid; grid-template-columns: minmax(0, 1fr) 90px 100px 190px 130px 40px;
  align-items: center; gap: 0 8px; min-height: 46px; padding: 0 8px;
  border-bottom: 1px solid var(--line); font-size: 14px;
}
.lib-row-head { min-height: 36px; font-size: 13px; color: var(--muted); }
.lib-row-title { display: flex; align-items: center; gap: 8px; min-width: 0; }
.lib-grip-row { width: 20px; display: grid; place-items: center; color: var(--faint); }
.lib-row-link {
  display: flex; align-items: center; gap: 8px; min-width: 0;
  color: var(--ink); text-decoration: none; font-weight: 500;
}
.lib-row-link .icon { color: var(--muted); }
a.lib-row-link:hover .lib-row-name { text-decoration: underline; }
.lib-row-name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-row .lib-progress { padding-right: 20px; }
.lib-row .progress-bar { flex-grow: 0; width: 100px; }
.lib-row-more { display: flex; justify-content: flex-end; }
.lib-row-more .lib-icon-btn { border-color: transparent; background: none; }
.lib-add-row {
  margin-top: 6px; height: 36px; padding: 0 8px; border: 0; background: none;
  display: inline-flex; align-items: center; gap: 8px;
  font: inherit; font-size: 14px; color: var(--muted); cursor: pointer;
}
.lib-add-row:hover { color: var(--accent); }
.lib-add-row[hidden] { display: none; }

/* ── Chưa có tài liệu ────────────────────────────────────────────── */
.lib-empty {
  margin-top: 8px; padding: 48px 24px;
  border: 1px dashed var(--faint); border-radius: var(--r-md);
  display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center;
}
.lib-empty-icon {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--accent-soft); color: var(--accent); display: grid; place-items: center;
}
.lib-empty-title { margin: 6px 0 0; font-size: 17px; font-weight: 600; }
.lib-empty-text { margin: 0 0 10px; font-size: 14px; color: var(--muted); }
.lib-tips-title { margin: 30px 0 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.lib-tips { margin: 0; padding-left: 20px; font-size: 14px; line-height: 1.9; color: var(--text); }
.lib-error { margin-top: 12px; justify-content: space-between; }

/* ── Hộp tải lên (dialog) ────────────────────────────────────────── */
.lib-modal {
  width: min(520px, calc(100vw - 32px)); padding: 0; border: 0;
  border-radius: 10px; box-shadow: var(--shadow-pop); color: var(--ink);
}
.lib-modal::backdrop, .lib-peek::backdrop { background: rgba(15, 23, 42, 0.32); }
.lib-modal-head { display: flex; align-items: center; gap: 10px; padding: 18px 20px 6px; }
.lib-modal-title { margin: 0; flex-grow: 1; font-size: 18px; font-weight: 700; }
.lib-modal-head .lib-icon-btn { width: 36px; height: 36px; border: 0; }
.lib-modal-body { padding: 8px 20px 18px; display: flex; flex-direction: column; gap: 12px; }
.lib-modal-foot {
  display: flex; justify-content: flex-end; gap: 8px;
  padding: 14px 20px; border-top: 1px solid var(--line);
}

/* Mỗi trạng thái chỉ hiện phần của nó */
.lib-up-pick, .lib-up-progress, .lib-up-error, .lib-up-quota, .lib-modal-foot > .btn { display: none; }
.lib-modal[data-state="pick"] .lib-up-pick,
.lib-modal[data-state="progress"] .lib-up-progress { display: block; }
.lib-modal[data-state="error"] .lib-up-error,
.lib-modal[data-state="quota"] .lib-up-quota { display: flex; }
.lib-modal[data-state="pick"] .lib-for-pick:not([hidden]),
.lib-modal[data-state="progress"] .lib-for-progress:not([hidden]),
.lib-modal[data-state="error"] .lib-for-error:not([hidden]),
.lib-modal[data-state="quota"] .lib-for-quota:not([hidden]) { display: inline-flex; }
.lib-modal[data-state="error"] .lib-file-row,
.lib-modal[data-state="quota"] .lib-file-row { display: none; }
.lib-modal .btn:disabled { opacity: 0.55; cursor: default; }

.lib-drop {
  width: 100%; padding: 34px 20px;
  border: 1.5px dashed var(--faint); border-radius: var(--r-md); background: var(--bg-side);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  font: inherit; text-align: center; cursor: pointer;
}
.lib-drop:hover, .lib-drop.is-over { border-color: var(--accent); background: var(--accent-soft); }
.lib-drop-icon {
  width: 48px; height: 48px; border-radius: 10px;
  background: var(--accent-soft); color: var(--accent); display: grid; place-items: center;
}
.lib-drop-title { font-size: 15px; font-weight: 600; color: var(--ink); }
.lib-drop-hint { font-size: 13px; color: var(--muted); }
.lib-up-msg { margin: 8px 0 0; font-size: 13px; color: var(--red); }
.lib-up-msg:empty { display: none; }

.lib-file-row {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; border: 1px solid var(--line); border-radius: var(--r-md);
}
.lib-file-row[hidden] { display: none; }
.lib-file-icon {
  width: 36px; height: 36px; flex-shrink: 0; border-radius: var(--r-md);
  background: var(--red-bg); color: var(--red); display: grid; place-items: center;
}
.lib-file-text { flex-grow: 1; min-width: 0; }
.lib-file-name { margin: 0; font-size: 14px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-file-size { margin: 2px 0 0; font-size: 12px; color: var(--muted); }
.lib-file-ok { color: var(--green); }

.lib-up-bar { width: 100%; height: 6px; border-radius: 3px; }
.lib-up-bar:indeterminate {
  background: repeating-linear-gradient(90deg, var(--accent) 0 40px, var(--accent-soft) 40px 80px);
  background-size: 80px 100%;
  animation: lib-stripes 0.8s linear infinite;
}
.lib-up-bar:indeterminate::-webkit-progress-bar { background: transparent; }
@keyframes lib-stripes { to { background-position: 80px 0; } }

.lib-steps { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 2px; }
.lib-step { display: flex; align-items: center; gap: 10px; min-height: 30px; font-size: 14px; color: var(--faint); }
.lib-step[data-status="done"] { color: var(--ink); }
.lib-step[data-status="now"] { color: var(--ink); font-weight: 600; }
.lib-step-dot {
  width: 16px; height: 16px; flex-shrink: 0; margin: 1px;
  border-radius: 50%; border: 2px solid var(--line); position: relative;
}
.lib-step[data-status="now"] .lib-step-dot { border-top-color: var(--accent); animation: lib-spin 0.9s linear infinite; }
.lib-step[data-status="done"] .lib-step-dot { border-color: var(--green); background: var(--green); }
.lib-step[data-status="done"] .lib-step-dot::after {
  content: ""; position: absolute; left: 4px; top: 1px; width: 4px; height: 7px;
  border: solid var(--on-accent); border-width: 0 2px 2px 0; transform: rotate(45deg);
}
@keyframes lib-spin { to { transform: rotate(360deg); } }
.lib-up-note { margin: 10px 0 0; font-size: 13px; color: var(--muted); }

.lib-warn { gap: 12px; padding: 14px 16px; border-radius: var(--r-md); background: var(--amber-bg); }
.lib-warn > .icon { color: var(--amber); }
.lib-warn-red { background: var(--red-bg); }
.lib-warn-red > .icon { color: var(--red); }
.lib-warn-title { margin: 0 0 4px; font-size: 15px; font-weight: 600; color: var(--ink); }
.lib-warn-text { margin: 0; font-size: 14px; line-height: 1.6; color: var(--text); }

/* ── Xem nhanh (bảng trượt bên phải) ─────────────────────────────── */
.lib-peek {
  width: min(520px, 100vw); max-width: 100vw; height: 100vh; max-height: 100vh;
  margin: 0 0 0 auto; padding: 0; border: 0;
  background: var(--bg); color: var(--ink); box-shadow: var(--shadow-pop); overflow-y: auto;
}
.lib-peek-bar {
  position: sticky; top: 0; z-index: 1; height: 48px; padding: 0 12px;
  display: flex; align-items: center; gap: 4px;
  background: var(--bg); border-bottom: 1px solid var(--line); font-size: 13px;
}
.lib-peek-bar .lib-icon-btn { width: 36px; height: 36px; border: 0; }
.lib-peek-open { height: 32px; padding: 0 12px; }
.lib-peek-open .icon { color: var(--muted); }
.lib-peek-body { padding: 0 32px 24px; }
.lib-peek-title { margin: 22px 0 14px; font-size: 30px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.25; overflow-wrap: anywhere; }
.lib-peek .prop .progress-bar { flex-grow: 0; width: 160px; }
.lib-peek-sub { margin: 22px 0 6px; font-size: 13px; font-weight: 600; color: var(--muted); }
.lib-peek .menu-item { height: 40px; font-size: 14px; }
.lib-peek .menu-item .icon { color: var(--muted); }
.lib-peek .menu-item.lib-danger .icon { color: var(--red); }

/* ── Máy tính bảng & điện thoại ──────────────────────────────────── */
@media (max-width: 1100px) {
  .lib-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lib-row { grid-template-columns: minmax(0, 1fr) 64px 64px 150px 96px 36px; }
  .lib-row .lib-progress { padding-right: 8px; }
  .lib-row .progress-bar { width: 56px; }
}

@media (max-width: 860px) {
  .lib-toolbar { flex-direction: column-reverse; flex-wrap: nowrap; align-items: stretch; gap: 14px; }
  .lib-tools { margin-left: 0; }
  .lib-tabs { gap: 18px; }
  .lib-tab { height: 44px; }
  .lib-tools { padding-bottom: 0; flex-wrap: wrap; }
  .lib-view { display: none; }
  .lib-upload-btn { order: -1; flex: 1 1 100%; height: 44px; font-size: 15px; }
  .lib-continue .btn { width: 100%; }
  .lib-continue { flex-direction: row; flex-wrap: wrap; align-items: center; }
  .lib-sort-prop { display: none; }  /* kéo thả không dùng được trên màn cảm ứng */
  .lib-continue-text { flex-basis: calc(100% - 46px); }

  /* Thẻ thành dòng danh sách (bản vẽ TV_M1_Library) */
  .lib-grid { margin-top: 0; gap: 0; grid-template-columns: minmax(0, 1fr); }
  .lib-card {
    display: flex; align-items: center; gap: 4px; overflow: visible;
    border: 0; border-radius: 0; border-bottom: 1px solid var(--line);
  }
  .lib-card:hover { border-color: var(--line); }
  .lib-card-link { flex-grow: 1; min-width: 0; display: flex; align-items: center; gap: 12px; padding: 12px 0; }
  .lib-thumb {
    width: 46px; height: 60px; flex-shrink: 0;
    border: 1px solid var(--line); border-radius: var(--r-sm);
  }
  .lib-card .lib-thumb { border-radius: var(--r-sm); }
  .lib-thumb-page { width: 70%; padding: 6px 5px; gap: 3px; }
  .lib-thumb-page span { height: 3px; }
  .lib-thumb-page .lib-thumb-head { height: 4px; margin-bottom: 2px; }
  .lib-thumb-page span:nth-child(n+8) { display: none; }
  .lib-card-body { flex-grow: 1; min-width: 0; padding: 0; gap: 6px; }
  .lib-card-tools { position: static; pointer-events: auto; }
  .lib-card-tools > span, .lib-grip { display: none; }
  .lib-card-tools .lib-icon-btn { width: 44px; height: 44px; border: 0; background: none; }
  .lib-card.is-drag-over { box-shadow: none; }

  .lib-thumb-lg { width: auto; height: 160px; border: 0; border-bottom: 1px solid var(--line); border-radius: 0; margin: 0 -16px; }
  .lib-thumb-lg .lib-thumb-page { width: 62%; padding: 14px 12px; gap: 6px; }
  .lib-thumb-lg .lib-thumb-page span { height: 5px; display: block; }
  .lib-peek-body { padding: 0 16px 24px; }
  .lib-peek-title { font-size: 24px; }
  .lib-empty { padding: 36px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .lib-busy, .lib-up-bar:indeterminate, .lib-step[data-status="now"] .lib-step-dot { animation: none; }
}