/* ── Motown AI pack card component ── */
/* All selectors map to _pack_card.html classes only. */

/* ── Hidden state safety (no longer used by JS grid filter) ── */
.pack-card--hidden {
  display: none !important;
}

/* ── Card shell ── */
.pack-card {
  display: flex;
  flex-direction: column;
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: 18px;
  overflow: hidden;
  cursor: default;
  transition: border-color 180ms var(--anim-ease-out),
              transform 180ms var(--anim-ease-out),
              box-shadow 180ms var(--anim-ease-out);
  will-change: auto;
}

@media (hover: hover) and (pointer: fine) {
  .pack-card:hover {
    border-color: var(--card-border-hover);
    will-change: transform;
  }
  .pack-card:not(:hover) {
    will-change: auto;
  }
}


/* ── Cover zone ── */
.pack-cover {
  position: relative;
  display: block;
  height: 160px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--card-bg);
}

.pack-cover__thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 220ms var(--anim-ease-out);
}

.pack-cover__placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--card-bg));
}

.pack-mastery__bar {
  display: flex;
  height: 5px;
  border-radius: 3px;
  overflow: hidden;
  gap: 2px;
}

.pack-mastery__seg {
  width: var(--pct, 0%);
  min-width: 0;
  border-radius: 2px;
}

.pack-mastery__seg--unfamiliar { background: var(--mastery-unfamiliar); }
.pack-mastery__seg--learning   { background: var(--mastery-learning); }
.pack-mastery__seg--familiar   { background: var(--mastery-familiar); }
.pack-mastery__seg--mastered   { background: var(--mastery-mastered); }

.pack-mastery__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 5px;
  font-size: 10px;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
}

/* ── Desktop hover progress ring overlay ── */
.pack-mastery-inline {
  display: none;
}
@media (min-width: 641px) {
  .pack-mastery-inline {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    position: absolute;
    inset: 0;
    z-index: 5;
    border-radius: 14px;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    opacity: 0;
    transition: opacity 200ms var(--anim-ease-out);
    pointer-events: none;
  }
  .pack-card:hover .pack-mastery-inline {
    opacity: 1;
  }

  .pack-ring-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .progress-ring {
    display: block;
  }
  .progress-ring__track {
    fill: none;
    stroke: rgba(255,255,255,0.15);
    stroke-width: 4;
  }
  .progress-ring__group {
    transform: rotate(-90deg);
    transform-origin: 36px 36px;
  }
  .progress-ring__fill {
    fill: none;
    stroke: var(--primary);
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 188.5;
    stroke-dashoffset: 188.5;
    transition: stroke-dashoffset 0.7s cubic-bezier(0.23, 1, 0.32, 1) 0.12s;
  }
  .pack-card:hover .progress-ring__fill {
    stroke-dashoffset: var(--target);
  }
  .progress-ring__text {
    font-family: var(--font-display);
    font-size: 14px;
    font-weight: 800;
    fill: #fff;
    text-anchor: middle;
    dominant-baseline: central;
  }

  .pack-mastery__legend--inline {
    color: rgba(255,255,255,0.75);
    font-size: 9px;
    margin-top: 0;
    opacity: 0;
    transition: opacity 200ms var(--anim-ease-out) 0.25s;
    justify-content: center;
    gap: 8px;
  }
  .pack-card:hover .pack-mastery__legend--inline {
    opacity: 1;
  }

  @media (hover: none) {
    .pack-mastery__legend--inline {
      opacity: 0.85;
    }
  }
}

.pack-mastery__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  margin-right: 4px;
  vertical-align: middle;
}

.pack-mastery__dot--unfamiliar { background: var(--mastery-unfamiliar); }
.pack-mastery__dot--learning   { background: var(--mastery-learning); }
.pack-mastery__dot--familiar   { background: var(--mastery-familiar); }
.pack-mastery__dot--mastered   { background: var(--mastery-mastered); }

.pack-desktop-title {
  display: none;
  padding: 10px 2px 0;
}

/* ── Completed stamp ── */
.pack-stamp {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--accent) 18%, rgba(0,0,0,0.55));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  pointer-events: none;
}


/* ── Body ── */
.pack-body {
  padding: 12px 14px 8px;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.pack-subject {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  line-height: 1;
}

.pack-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
  font-family: var(--font-display);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pack-title a {
  color: inherit;
  text-decoration: none;
}

.pack-title a:hover {
  color: var(--accent);
}

.pack-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.pack-meta__item {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}

.pack-meta__item i {
  font-size: 12px;
}


/* ── Footer ── */
.pack-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 14px 12px;
  border-top: 0.5px solid var(--card-border);
  margin-top: auto;
}

.pack-aura {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  color: var(--text-muted);
}

.pack-aura__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.pack-footer__right {
  display: flex;
  align-items: center;
  gap: 6px;
}

.pack-share {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 0.5px solid var(--card-border);
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  transition: border-color 150ms var(--anim-ease-out),
              color 150ms ease;
}

.pack-share:hover {
  border-color: var(--accent-border);
  color: var(--accent);
}

.pack-cta {
  height: 28px;
  padding: 0 12px;
  background: var(--accent-dim);
  border: 0.5px solid var(--accent-border);
  border-radius: 6px;
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  transition: background 150ms var(--anim-ease-out),
              color 150ms ease;
}

.pack-cta:hover {
  background: var(--accent);
  color: var(--text-primary);
}

.pack-cta--resume {
  background: var(--accent);
  color: var(--text-primary);
}

.pack-cta--resume:hover {
  opacity: 0.85;
}

.pack-cta--done {
  background: var(--accent-dim);
  color: var(--accent);
  border-color: var(--accent-border);
}

.pack-cta--done:hover {
  background: var(--accent);
  color: var(--text-primary);
}

.pack-cta__pct { opacity: 0.7; margin-left: 2px; }

.pack-cta,
.pack-share,
.pack-menu__btn {
  transition: border-color var(--anim-dur-micro) var(--anim-ease-out),
              color var(--anim-dur-micro) ease,
              background var(--anim-dur-micro) ease,
              transform var(--anim-dur-micro) var(--anim-ease-out);
}
.pack-cta:active,
.pack-share:active { transform: scale(0.97); }

/* ── Mobile compact section (hidden on desktop) ── */
.pack-mobile {
  display: none; /* shown via .db-card-grid--list class or mobile breakpoint */
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.pack-mobile__icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  background: var(--bg-hover);
  border: 0.5px solid var(--card-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color 140ms var(--anim-ease-out), color 140ms;
}
.pack-mobile__icon--active {
  border-color: var(--accent-border);
  color: var(--accent);
  background: var(--accent-dim);
}
.pack-mobile__icon--done {
  border-color: color-mix(in srgb, var(--mastery-mastered) 30%, transparent);
  color: var(--mastery-mastered);
  background: color-mix(in srgb, var(--mastery-mastered) 8%, transparent);
}
.pack-mobile__icon:hover {
  border-color: var(--card-border-hover);
}

.pack-mobile__thumb-link {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  border-radius: 8px;
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  text-decoration: none;
}

.pack-mobile__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  border-radius: 7px;
}

.pack-mobile__thumb-img--done {
  opacity: 0.55;
}

.pack-mobile__thumb-link--fallback {
  background: var(--bg-secondary);
  border-color: var(--border);
}

/* Fallback icon: hidden by default, shown when image errors */
.pack-mobile__thumb-fallback-icon {
  display: none;
  color: var(--text-muted);
  pointer-events: none;
}

.pack-mobile__thumb-link--fallback .pack-mobile__thumb-fallback-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  inset: 0;
}

.pack-mobile__thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.4rem;
}

.pack-mobile__thumb-done {
  position: absolute;
  inset: 0;
  background: rgba(69, 177, 157, 0.45);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 7px;
}

.pack-mobile__body {
  flex: 1;
  min-width: 0;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pack-mobile__name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-body);
  line-height: 1.3;
  min-width: 0;
  flex: 1;
}
.pack-mobile__body:hover .pack-mobile__name {
  color: var(--primary);
}

.pack-mobile__meta {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1;
}

.pack-mobile__progress {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-top: 2px;
}

/* 4-segment mastery bar used when mastery_total > 0 */
.pack-mastery__bar--mobile {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  display: flex;
  overflow: hidden;
  gap: 1.5px;
}

/* Simple fill bar used when only pct is available */
.pack-mobile__bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--progress-track);
  overflow: hidden;
}

.pack-mobile__fill {
  height: 100%;
  width: 100%;
  background: var(--primary);
  border-radius: 2px;
  transform-origin: left center;
  transform: scaleX(var(--fill-pct, 0));
  transition: transform 500ms var(--anim-ease-out);
  will-change: transform;
}

.pack-mobile__pct {
  font-size: 10px;
  font-weight: 600;
  color: var(--primary);
  flex-shrink: 0;
  line-height: 1;
  font-family: var(--font-display);
}

.pack-mobile__actions {
  flex-shrink: 0;
}

.pack-mobile__menu {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 0px solid var(--card-border);
  background: transparent;
  display: flex;
  align-items: center;
  justify-content:   center;
  cursor: pointer;
  color: var(--text-muted);
  transition: background 130ms, color 130ms, border-color 130ms;
  -webkit-tap-highlight-color: transparent;
}
.pack-mobile__menu:hover,
.pack-mobile__menu:focus-visible {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--card-border-hover);
}
.pack-mobile__menu:active {
  transform: scale(0.93);
}

/* Tile overlay variant: sits on an arbitrary colored tile background
   rather than a themed surface, so it keeps a fixed dark scrim instead
   of theme tokens. */
.pack-mobile__menu--tile {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: none;
  background: rgba(0, 0, 0, 0.35);
  color: white;
  pointer-events: auto;
}
.pack-mobile__menu--tile:hover,
.pack-mobile__menu--tile:focus-visible {
  background: rgba(0, 0, 0, 0.5);
  border-color: transparent;
  color: white;
}

@media (min-width: 641px) {
  .pack-card {
    gap: 0;
    border: none;
    background: transparent;
    overflow: visible;
    position: relative;
    z-index: auto;
  }

  .pack-card:hover,
  .pack-card:focus-within {
    border-color: transparent;
    z-index: 10;
  }

  .pack-card::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    border-radius: 18px;
    border-bottom-left-radius: 15px;
    border-bottom-right-radius: 15px;
    background: var(--card-bg);
    border: 0.5px solid var(--card-border);
    opacity: 0;
    transition: opacity 220ms var(--anim-ease-out),
                inset 220ms var(--anim-ease-out),
                border-radius 220ms var(--anim-ease-out),
                box-shadow 220ms var(--anim-ease-out),
                border-color 220ms var(--anim-ease-out);
    pointer-events: none;
  }

  .pack-card:hover::before,
  .pack-card:focus-within::before {
    inset: -8px;
    border-radius: 22px;
    opacity: 1;
    border-color: var(--card-border-hover);
    box-shadow: 0 4px 5px rgba(0,0,0,0.18);
  }

  .pack-card .pack-header,
  .pack-card .pack-mobile,
  .pack-card .pack-footer {
    display: none;
  }

  .pack-card .pack-cover {
    height: auto;
    aspect-ratio: 1.86 / 1;
    border-radius: 14px;
    box-shadow: var(--shadow-card-hover);
  }

  .pack-card .pack-cover__thumb,
  .pack-card .pack-cover__placeholder {
    border-radius: inherit;
  }

  .pack-card .pack-desktop-title {
    display: block;
    padding: 0;
  }

  .pack-card .pack-desktop-title__row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
    padding: 10px 2px 0;
  }

  .pack-card .pack-title--top {
    font-size: 15px;
    line-height: 1.2;
    -webkit-line-clamp: 2;
    flex: 1;
    min-width: 0;
  }

  .pack-card .pack-title--top a {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--text-primary);
    transition: color 180ms var(--anim-ease-out);
  }


  .pack-card .pack-desktop-menu {
    position: relative;
    flex-shrink: 0;
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
    transition: opacity 200ms var(--anim-ease-out) 60ms,
                transform 200ms var(--anim-ease-out) 60ms;
  }

  .pack-card:hover .pack-desktop-menu,
  .pack-card:focus-within .pack-desktop-menu,
  .pack-desktop-menu:has(.pack-menu__dropdown--open) {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }

  .pack-card .pack-desktop-menu__btn {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    color: var(--text-muted);
  }

  .pack-card .pack-desktop-menu__btn:hover {
    background: var(--bg-hover);
    color: var(--primary, #4ecdc4);
  }

  .pack-card .pack-desktop-menu__dropdown {
    top: calc(100% + 6px);
    right: 0;
  }

}

.pack-stamp {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--accent) 18%, rgba(0,0,0,0.55));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  pointer-events: none;
  letter-spacing: 0.05em;
}

.pack-body__meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.pack-subject-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1;
}

@keyframes packCardIn {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (min-width: 641px) {
  .pack-card {
    animation: packCardIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
  }
  .db-card-grid .pack-card:nth-child(1)  { animation-delay: 0.04s; }
  .db-card-grid .pack-card:nth-child(2)  { animation-delay: 0.08s; }
  .db-card-grid .pack-card:nth-child(3)  { animation-delay: 0.12s; }
  .db-card-grid .pack-card:nth-child(4)  { animation-delay: 0.16s; }
  .db-card-grid .pack-card:nth-child(5)  { animation-delay: 0.20s; }
  .db-card-grid .pack-card:nth-child(6)  { animation-delay: 0.24s; }
  .db-card-grid .pack-card:nth-child(n+7) { animation-delay: 0.28s; }
}

@media (min-width: 641px) and (prefers-reduced-motion: reduce) {
  .pack-card {
    animation: none;
  }
}

@keyframes skeletonShimmer {
  0%   { background-position: -500px 0; }
  100% { background-position:  500px 0; }
}

/* ── Shimmer base — applied to all shimmer surfaces ── */
.pack-skeleton__card-thumb,
.pack-skeleton__row-icon,
.pack-skeleton__row-title,
.pack-skeleton__row-meta,
.pack-skeleton__row-bar-fill,
.pack-skeleton__row-menu {
  background-color: rgba(0, 0, 0, 0.07);
  background-image: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0, 0, 0, 0.05) 40%,
    rgba(0, 0, 0, 0.09) 50%,
    rgba(0, 0, 0, 0.05) 60%,
    transparent 100%
  );
  background-size: 500px 100%;
  background-repeat: no-repeat;
  animation: skeletonShimmer 1.6s ease-in-out infinite;
}

[data-theme="dark"] .pack-skeleton__card-thumb,
[data-theme="dark"] .pack-skeleton__row-icon,
[data-theme="dark"] .pack-skeleton__row-title,
[data-theme="dark"] .pack-skeleton__row-meta,
[data-theme="dark"] .pack-skeleton__row-bar-fill,
[data-theme="dark"] .pack-skeleton__row-menu {
  background-color: rgba(255, 255, 255, 0.06);
  background-image: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.04) 40%,
    rgba(255, 255, 255, 0.09) 50%,
    rgba(255, 255, 255, 0.04) 60%,
    transparent 100%
  );
}

/* ── Shell ── */
.pack-skeleton {
  display: flex;
  flex-direction: column;
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
  pointer-events: none;
  animation: packCardIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ── Card skeleton — mirrors thumbnail card on desktop grid ── */
.pack-skeleton__card {
  display: none;
  flex-direction: column;
  gap: 0;
}

.pack-skeleton__card-thumb {
  width: 100%;
  aspect-ratio: 1.86 / 1;
  border-radius: 14px;
}


/* On desktop grid (≥641px, not list mode): show card, hide row */
@media (min-width: 641px) {
  .pack-skeleton__card {
    display: flex;
  }
  .pack-skeleton__row {
    display: none;
  }

  /* List mode overrides: show row, hide card */
  .db-card-grid--list .pack-skeleton__card {
    display: none;
  }
  .db-card-grid--list .pack-skeleton__row {
    display: flex;
  }
}

/* Mobile grid mode (db-card-grid--grid): show card, hide row */
@media (max-width: 640px) {
  .db-card-grid--grid .pack-skeleton__card {
    display: flex;
  }
  .db-card-grid--grid .pack-skeleton__row {
    display: none;
  }
}

/* ── Row skeleton — mirrors .pack-mobile at ALL breakpoints ── */
.pack-skeleton__row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 2px;
  width: 100%;
  box-sizing: border-box;
  min-width: 0;
}

.pack-skeleton__row-icon {
  width: 38px;
  height: 38px;
  border-radius: 9px;
  flex-shrink: 0;
}

.pack-skeleton__row-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.pack-skeleton__row-title {
  height: 13px;
  width: 60%;
  border-radius: 4px;
}

.pack-skeleton__row-meta {
  height: 11px;
  width: 45%;
  border-radius: 4px;
}

.pack-skeleton__row-bar {
  height: 3px;
  width: 100%;
  border-radius: 2px;
  overflow: hidden;
  margin-top: 2px;
}

.pack-skeleton__row-bar-fill {
  height: 100%;
  width: 40%;
  border-radius: 2px;
}

.pack-skeleton__row-menu {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  flex-shrink: 0;
}

/* ── Stagger shimmer phase ── */
.pack-skeleton:nth-child(2) .pack-skeleton__card-thumb,
.pack-skeleton:nth-child(2) .pack-skeleton__row-icon,
.pack-skeleton:nth-child(2) .pack-skeleton__row-title,
.pack-skeleton:nth-child(2) .pack-skeleton__row-meta,
.pack-skeleton:nth-child(2) .pack-skeleton__row-bar-fill,
.pack-skeleton:nth-child(2) .pack-skeleton__row-menu {
  animation-delay: 0.2s;
}

.pack-skeleton:nth-child(3) .pack-skeleton__card-thumb,
.pack-skeleton:nth-child(3) .pack-skeleton__row-icon,
.pack-skeleton:nth-child(3) .pack-skeleton__row-title,
.pack-skeleton:nth-child(3) .pack-skeleton__row-meta,
.pack-skeleton:nth-child(3) .pack-skeleton__row-bar-fill,
.pack-skeleton:nth-child(3) .pack-skeleton__row-menu {
  animation-delay: 0.4s;
}

/* ── Card header (title + menu row) ── */
.pack-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  padding: 20px 14px 20px 20px;
  border-bottom: 0.5px solid var(--card-border);
  flex-shrink: 0;
  background-color: var(--bg-hover);
}

.pack-title--top {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin: 0;
  flex: 1;
  min-width: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pack-title--top a {
  color: inherit;
  font-size: 16px;
  text-decoration: none;
}

.pack-title--top a:hover {
  color: var(--accent);
}

/* ── Three-dot menu ── */
.pack-menu {
  position: relative;
  flex-shrink: 0;
}

.pack-menu__btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  border-radius: 5px;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  padding: 0;
}

.pack-menu__btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.pack-menu__dropdown {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  min-width: 130px;
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  z-index: 1000;
  overflow: hidden;
  flex-direction: column;
  padding: 4px;
  opacity: 0;
  transform: translateY(-6px);
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.pack-menu__dropdown--open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.pack-menu__item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
}

.pack-menu__item:hover {
  background: var(--bg-hover);
}

.pack-menu__item i {
  font-size: 13px;
  color: var(--text-muted);
}

.pack-menu__item--danger {
  color: var(--danger);
}

.pack-menu__item--danger i {
  color: var(--danger);
}

.pack-menu__item--danger:hover {
  background: color-mix(in srgb, var(--danger) 8%, transparent);
}



/* ── Mobile tile colour palette ── */
@media (max-width: 640px) {
  .db-card-grid .pack-card:nth-child(8n+1) { --tile-bg:#1a3a4a; --tile-icon:#4ecdc4; }
  .db-card-grid .pack-card:nth-child(8n+2) { --tile-bg:#2d1f3d; --tile-icon:#a78bfa; }
  .db-card-grid .pack-card:nth-child(8n+3) { --tile-bg:#1f3320; --tile-icon:#4ade80; }
  .db-card-grid .pack-card:nth-child(8n+4) { --tile-bg:#3a2010; --tile-icon:#fb923c; }
  .db-card-grid .pack-card:nth-child(8n+5) { --tile-bg:#1e2a3a; --tile-icon:#60a5fa; }
  .db-card-grid .pack-card:nth-child(8n+6) { --tile-bg:#3a1f2a; --tile-icon:#f472b6; }
  .db-card-grid .pack-card:nth-child(8n+7) { --tile-bg:#2a2a10; --tile-icon:#facc15; }
  .db-card-grid .pack-card:nth-child(8n+8) { --tile-bg:#1a2a3a; --tile-icon:#38bdf8; }
}

/* ── Mobile tile layout — only when grid toggle is active ── */
@media (max-width: 640px) {
  /* Square tile only when user has explicitly chosen grid view */
  .db-card-grid--grid .pack-card {
    flex-direction: column;
    border-radius: 16px;
    border: none;
    background: transparent;
    padding: 0;
    overflow: hidden;
    box-shadow: none;
    min-width: 0;
    animation: packCardIn 0.3s cubic-bezier(0.16,1,0.3,1) both;
    transition: transform 0.15s;
  }
  .db-card-grid--grid .pack-card:active { transform: scale(0.96); }

  .db-card-grid--grid .pack-card .pack-mobile,
  .db-card-grid--grid .pack-card .pack-body,
  .db-card-grid--grid .pack-card .pack-footer,
  .db-card-grid--grid .pack-card .pack-header,
  .db-card-grid--grid .pack-card .pack-desktop-title,
  .db-card-grid--grid .pack-card .pack-mastery-inline { display: none !important; }

  .db-card-grid--grid .pack-card .pack-cover {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    height: auto;
    border-radius: 16px;
    overflow: hidden;
    position: relative;
  }
  .db-card-grid--grid .pack-cover__tile-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: var(--tile-bg, #1a3a4a);
  }
  .db-card-grid--grid .pack-card .pack-cover__thumb {
    display: block !important;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
  }
  .db-card-grid--grid .pack-card .pack-cover__placeholder { display: none !important; }
  .db-card-grid--grid .pack-card .pack-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 2;
    border-radius: 16px;
    background: linear-gradient(
      to bottom,
      rgba(0,0,0,0.08) 0%,
      rgba(0,0,0,0.10) 40%,
      rgba(0,0,0,0.65) 75%,
      rgba(0,0,0,0.82) 100%
    );
    pointer-events: none;
  }
  .db-card-grid--grid .pack-tile-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 8px;
    pointer-events: none;
  }
}

/* No-thumbnail fallback: when thumb fails to load, tile-bg shows through */
@media (max-width: 640px) {
  .pack-cover__tile-bg { display: block !important; }
}

@media (min-width: 641px) {
  .pack-tile-overlay,
  .pack-cover__tile-bg { display: none !important; }
}

/* ══ MOBILE COMPACT LAYOUT ═══════════════════════════════════════ */

/* ── Inline pack rename input ── */
.pack-rename-input {
  flex: 1;
  min-width: 0;
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  color: var(--text-primary);
  background: var(--bg-hover);
  border: 0.5px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  outline: none;
  height: 28px;
  line-height: 1;
  width: 100%;
  box-sizing: border-box;
}

.pack-rename-input:focus {
  border-color: var(--accent, #5eead4);
  box-shadow: 0 0 0 1px var(--accent, #5eead4);
}

/* ── Folder picker overlay ── */
.dsn-folder-picker-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dsn-folder-picker {
  background: var(--card-bg);
  border: 0.5px solid var(--card-border);
  border-radius: 14px;
  box-shadow: var(--shadow-modal);
  width: 320px;
  max-width: calc(100vw - 32px);
  max-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dsn-folder-picker__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 18px 12px;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
}

.dsn-folder-picker__title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
}

.dsn-folder-picker__close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  padding: 0 4px;
  line-height: 1;
  font-family: inherit;
}

.dsn-folder-picker__close:hover {
  color: var(--text-primary);
}

.dsn-folder-picker__list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.dsn-folder-picker__item {
  display: block;
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  text-align: left;
  transition: background 0.12s;
  font-family: inherit;
}

.dsn-folder-picker__item:hover {
  background: var(--bg-hover);
}

.dsn-folder-picker__empty {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  padding: 24px 16px;
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  .pack-cover__bg,
  .pack-row__bar-fill,
  .pack-mobile__fill { transition: none; }
}

/* Notes selection toolbar (themed) */
.notes-selection-bar {
  display: none;
  position: fixed;
  z-index: 9999;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 999px;
  background: var(--sr-card, rgba(17,17,23,0.96));
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 28px rgba(0,0,0,0.5);
  backdrop-filter: blur(12px);
  white-space: nowrap;
}

.notes-selection-bar.show {
  display: flex;
}

.notes-ask-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: none;
  border-radius: 999px;
  background: var(--bg-hover);
  color: var(--text-primary);
  font-size: 0.88rem;
  font-weight: 700;
  cursor: pointer;
}

.notes-ask-btn:focus {
  outline: 0;
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary, #4ecdc4) 12%, transparent);
}

.notes-ask-icon {
  font-size: 18px;
  line-height: 1;
  margin-left: 6px; /* keep icon to the right */
}

@media (max-width: 640px) {
  .notes-selection-bar { bottom: 90px; right: 16px; }
}

@media (min-width: 641px) {
  .notes-selection-bar { bottom: 120px; right: 24px; }
}

/* ── Mobile bottom sheet ── */
.pack-bs-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 2000;
  backdrop-filter: blur(2px);
}
.pack-bs-overlay--open { display: block; }

.pack-bs {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 0.5px solid var(--card-border);
  border-radius: 18px 18px 0 0;
  z-index: 2001;
  padding-bottom: env(safe-area-inset-bottom, 16px);
  transform: translateY(100%);
  transition: transform 280ms cubic-bezier(0.32, 0.72, 0, 1);
}
.pack-bs--open { transform: translateY(0); }

.pack-bs__handle {
  width: 36px;
  height: 4px;
  background: var(--card-border);
  border-radius: 2px;
  margin: 12px auto 8px;
}
.pack-bs__list {
  display: flex;
  flex-direction: column;
  padding: 4px 8px 16px;
}

/* ══════════════════════════════════════════════
   DESKTOP LIST VIEW  (db-card-grid--list)
   Card-style rows with mastery chips and
   action buttons on desktop.
   ══════════════════════════════════════════════ */

#packGrid.db-card-grid--list,
#discGrid.db-card-grid--list,
#discoverGrid.db-card-grid--list,
#anonPackGrid.db-card-grid--list {
  display: flex !important;
  flex-direction: column !important;
  gap: 0 !important;
}

/* Skeleton spacing in list view */
.db-card-grid--list .pack-skeleton {
  margin-bottom: 0;
}

.db-card-grid--list .pack-skeleton__row {
  padding: 12px 14px;
  gap: 14px;
  align-items: flex-start;
}

@media (min-width: 641px) {
  .db-card-grid--list .pack-skeleton__row {
    padding: 14px 16px;
    gap: 16px;
  }
}

/* ── Card shell in list view ── */
.db-card-grid--list .pack-card {
  background: transparent !important;
  border: none !important;
  border-radius: 0 !important;
  overflow: visible !important;
  animation: none !important;
}
.db-card-grid--list .pack-card::before {
  display: none !important;
}
.db-card-grid--list .pack-card:hover {
  background: var(--bg-hover) !important;
}
.db-card-grid--list .pack-card-real {
  border-bottom: 0.5px solid var(--border);
}
.db-card-grid--list .pack-card-real:last-child {
  border-bottom: none;
}

/* Title row — name + mastery chips on same line */
.pack-mobile__name-row {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  min-width: 0;
  justify-content: space-between;
}

/* Hide everything except the mobile row */
.db-card-grid--list .pack-card .pack-cover,
.db-card-grid--list .pack-card .pack-desktop-title,
.db-card-grid--list .pack-card .pack-mastery-inline,
.db-card-grid--list .pack-card .pack-footer,
.db-card-grid--list .pack-card .pack-body,
.db-card-grid--list .pack-card .pack-header,
.db-card-grid--list .pack-card .pack-tile-overlay {
  display: none !important;
}

/* Force .pack-mobile visible — overrides the min-width:641px hide rule */
.db-card-grid--list .pack-card .pack-mobile {
  display: flex !important;
  padding: 12px 14px;
  border-radius: 0;
  gap: 14px;
  align-items: flex-start;
}

/* ── Mastery chips row ── */
.pack-list__chips {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
}

.pack-chip {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 2px 8px;
  border-radius: 999px;
  line-height: 1.5;
  white-space: nowrap;
}

.pack-chip--unfamiliar {
  background: color-mix(in srgb, var(--mastery-unfamiliar) 12%, transparent);
  color: var(--mastery-unfamiliar);
  border: 0.5px solid color-mix(in srgb, var(--mastery-unfamiliar) 25%, transparent);
}
.pack-chip--learning {
  background: color-mix(in srgb, var(--mastery-learning) 12%, transparent);
  color: var(--mastery-learning);
  border: 0.5px solid color-mix(in srgb, var(--mastery-learning) 25%, transparent);
}
.pack-chip--familiar {
  background: color-mix(in srgb, var(--mastery-familiar) 12%, transparent);
  color: var(--mastery-familiar);
  border: 0.5px solid color-mix(in srgb, var(--mastery-familiar) 25%, transparent);
}
.pack-chip--mastered {
  background: color-mix(in srgb, var(--mastery-mastered) 12%, transparent);
  color: var(--mastery-mastered);
  border: 0.5px solid color-mix(in srgb, var(--mastery-mastered) 25%, transparent);
}

/* Desktop-width adjustments to the row elements */
@media (min-width: 641px) {
  .db-card-grid--list .pack-card .pack-mobile {
    padding: 14px 10px;
    gap: 16px;
    align-items: flex-start;
  }

  /* Slightly larger icon on desktop */
  .db-card-grid--list .pack-mobile__icon {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    margin-top: 1px;
  }

  /* Title: a touch larger for the wider context */
  .db-card-grid--list .pack-mobile__name {
    font-size: 15px;
    font-weight: 600;
    transition: color 180ms var(--anim-ease-out);
  }
  .db-card-grid--list .pack-card:hover .pack-mobile__name {
    color: var(--accent);
  }

  /* Meta text */
  .db-card-grid--list .pack-mobile__meta {
    font-size: 12px;
  }

  /* Progress row: taller bar, always visible pct */
  .db-card-grid--list .pack-mastery__bar--mobile,
  .db-card-grid--list .pack-mobile__bar {
    height: 5px;
    border-radius: 3px;
    margin-top: 2px;
  }

  .db-card-grid--list .pack-mobile__pct {
    display: inline !important;
    font-size: 12px;
    font-weight: 700;
  }

  /* Mastery chips: visible on hover */
  .db-card-grid--list .pack-list__chips {
    opacity: 0;
    transition: opacity 140ms var(--anim-ease-out);
  }
  .db-card-grid--list .pack-card:hover .pack-list__chips {
    opacity: 1;
  }

  @media (hover: none) {
    .db-card-grid--list .pack-list__chips {
      opacity: 0.85;
    }
  }

  /* Three-dot menu: visible on hover */
  .db-card-grid--list .pack-mobile__menu {
    width: 30px;
    height: 30px;
    border-radius: 50px;
    border: 0.5px solid var(--card-border);
    opacity: 0;
    transition: opacity 140ms, background 130ms, color 130ms, border-color 130ms;
  }
  .db-card-grid--list .pack-card:hover .pack-mobile__menu {
    opacity: 1;
  }
  .db-card-grid--list .pack-mobile__menu:hover {
    opacity: 1;
    background: var(--bg-secondary);
    border-color: var(--card-border-hover);
    color: var(--text-primary);
  }
}

@media (max-width: 640px) {
  .db-card-grid--list .pack-card .pack-mobile {
    padding: 10px 10px;
    gap: 10px;
  }
  .pack-list__chips {
    display: none !important;
  }
  .db-card-grid--list .pack-skeleton {
    margin-bottom: 0;
  }
  .db-card-grid--list .pack-skeleton__row {
    padding: 10px 0;
    gap: 10px;
    align-items: flex-start;
  }
}