/* ── Series folder card ────────────────────────────────────────────────────── */

.series-card {
  position: absolute; /* set by masonry, same as .photo-card */
  cursor: pointer;
  min-height: 260px;
  border-radius: 1px 3px 2px 2px;
  transition: transform var(--dur-med) var(--ease-out);
  user-select: none;
}

/* folder back — at same level as face, behind the prints */
.series-card::before {
  content: '';
  position: absolute;
  top: 72px;
  left: 2px;
  right: 2px;
  bottom: -4px;
  background: linear-gradient(175deg, var(--folder-back-light) 0%, var(--folder-back-dark) 100%);
  border-radius: 1px 3px 3px 3px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.4);
  z-index: 0;
}

/* prints — fixed-height container, peek above the folder face */
.series-card__prints {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 128px;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 0 10px;
  pointer-events: none;
  z-index: 1;
  transition: transform var(--dur-med) var(--ease-out);
}

.series-card__print {
  position: relative;
  flex: 1;
  min-width: 0;
  height: 100%;
  margin: 0 -10px; /* overlap adjacent prints */
  transition: transform var(--dur-med) var(--ease-out);
  border-radius: 1px;
  box-shadow:
    0 3px 10px rgba(0,0,0,0.5),
    0 0 0 1px rgba(0,0,0,0.15);
  overflow: hidden;
  background: var(--paper-aged);
  transform-origin: bottom center;
}

/* white border painted on top of the photo — inset box-shadow is hidden by img */
.series-card__print::after {
  content: '';
  position: absolute;
  inset: 0;
  border: 4px solid rgba(255,255,255,0.88);
  border-radius: 1px;
  pointer-events: none;
  z-index: 1;
}

.series-card__print:nth-child(1) { transform: rotate(-8deg);  z-index: 1; }
.series-card__print:nth-child(2) { transform: rotate(0.5deg); z-index: 3; }
.series-card__print:nth-child(3) { transform: rotate(7deg);   z-index: 1; }

.series-card__print img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Folder face — kraft paper, always covers prints from 72px down ── */
.series-card__face {
  position: absolute;
  top: 72px;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.08'/%3E%3C/svg%3E"),
    linear-gradient(175deg, var(--folder-face-light) 0%, var(--folder-icon-light) 45%, var(--folder-face-dark) 100%);
  border-radius: 1px 3px 2px 2px;
  box-shadow:
    0 1px 3px rgba(0,0,0,0.42),
    0 5px 16px rgba(0,0,0,0.3),
    0 0 0 1px rgba(var(--sepia-rgb), 0.3),
    inset 0 1px 0 rgba(255,255,255,0.12);
  z-index: 2;
  transition:
    transform var(--dur-med) var(--ease-out),
    box-shadow var(--dur-med) var(--ease-out);
}

/* tab at top-left — file-folder ear */
.series-card__face::before {
  content: '';
  position: absolute;
  top: -9px;
  left: 0;
  width: 72px;
  height: 12px;
  background: linear-gradient(180deg, var(--folder-tab-light) 0%, var(--folder-tab-dark) 100%);
  border-radius: 3px 4px 0 0;
  box-shadow: 0 -1px 3px rgba(0,0,0,0.25), inset 0 1px 0 rgba(255,255,255,0.1);
}

/* horizontal fold crease */
.series-card__crease {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(var(--sepia-rgb), 0.18);
  box-shadow: 0 1px 0 rgba(255,255,255,0.08);
}

/* bottom info panel — anchored at the crease so its border-top aligns with the crease line */
.series-card__body {
  position: absolute;
  top: 50%;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.65rem 0.8rem 0.7rem;
  border-top: 1px dashed rgba(var(--sepia-rgb), 0.25);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.series-card__body::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 0;
  right: 0;
  height: 1px;
  background: rgba(255,255,255,0.1);
}

.series-card__title {
  font-size: var(--text-sub);
  color: var(--ink-paper);
  line-height: 1.2;
  letter-spacing: 0.01em;
}

.series-card__desc {
  position: absolute;
  bottom: calc(50% + 0.4rem);
  left: 0.8rem;
  right: 0.8rem;
  max-height: calc(50% - 1.2rem);
  font-family: var(--font-serif);
  font-size: var(--text-sm);
  color: rgba(var(--ink-paper-rgb), 0.62);
  line-height: 1.35;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.series-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.series-card__count {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: rgba(var(--ink-paper-rgb), 0.55);
  letter-spacing: 0.04em;
}

.series-card__badge {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.08em;
  color: rgba(var(--ink-paper-rgb), 0.65);
  background: rgba(var(--ink-paper-rgb), 0.1);
  border: 1px solid rgba(var(--ink-paper-rgb), 0.15);
  border-radius: 2px;
  padding: 1px 6px;
  text-transform: uppercase;
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  line-height: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.series-card__badge.is-copied {
  color: var(--stamp);
  border-color: rgba(var(--stamp-rgb), 0.35);
  background: rgba(var(--stamp-rgb), 0.08);
}

@media (hover: hover) {
  .series-card__badge:hover {
    color: rgba(var(--ink-paper-rgb), 0.85);
    background: rgba(var(--ink-paper-rgb), 0.15);
  }
}

.series-card__badge:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

@media (hover: hover) {
  .series-card:hover {
    transform: translateY(-5px) rotate(-0.3deg);
  }

  .series-card:hover .series-card__face {
    box-shadow:
      0 3px 8px rgba(0,0,0,0.48),
      0 14px 34px rgba(0,0,0,0.35),
      0 0 0 1px rgba(var(--sepia-rgb), 0.35),
      inset 0 1px 0 rgba(255,255,255,0.12);
  }

  .series-card:hover .series-card__print:nth-child(1) { transform: rotate(-15deg); }
  .series-card:hover .series-card__print:nth-child(2) { transform: rotate(0.5deg) translateY(-5px); }
  .series-card:hover .series-card__print:nth-child(3) { transform: rotate(14deg); }
}

.series-card:active {
  transform: scale(0.98);
}

.series-card:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 3px;
}

/* mobile — reset masonry positioning; keep relative so absolute children stay contained */
@media (max-width: 560px) {
  .series-card {
    position: relative;
    width: 100% !important;
    left: auto !important;
    top: auto !important;
  }
}

/* ── Series permalink page ──────────────────────────────────────────────────── */

.series-page__header {
  max-width: 860px;
  margin: 1.4rem auto 2.5rem;
  padding: 0 1.8rem;
  text-align: left;
}

/* ── Breadcrumb ── */
.series-page__crumb {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 1.4rem;
}

.series-page__folder-icon {
  width: 20px;
  height: 16px;
  position: relative;
  flex-shrink: 0;
}
.series-page__folder-icon::before {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 100%; height: 74%;
  background: linear-gradient(175deg, var(--folder-icon-light), var(--folder-icon-dark));
  border-radius: 1px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.35);
}
.series-page__folder-icon::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 46%; height: 6px;
  background: var(--folder-tab-dark);
  border-radius: 2px 2px 0 0;
}

.series-page__crumb-home {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--accent-readable);
  text-decoration: none;
  transition: color var(--dur-fast);
}

@media (hover: hover) {
  .series-page__crumb-home:hover { color: var(--accent); }
}

.series-page__crumb-home:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

.series-page__crumb-sep {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(var(--accent-rgb), 0.2);
}

.series-page__crumb-current {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--accent);
}

/* ── Title + description — fonts swapped ── */
.series-page__title {
  font-family: var(--font-ibm-sans);
  font-weight: normal;
  font-size: var(--text-xl);
  color: var(--on-dark);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 0.75rem;
  text-align: left;
}

.series-page__desc {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--paper-body);
  line-height: 1.4;
  margin: 0 0 1.1rem;
  max-width: 54ch;
}

/* ── Meta row: badge + count ── */
.series-page__meta-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.series-page__badge {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(var(--accent-rgb), 0.7);
  background: rgba(var(--accent-rgb), 0.08);
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 2px;
  padding: 2px 7px;
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
  line-height: inherit;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.series-page__badge.is-copied {
  color: var(--stamp);
  border-color: rgba(var(--stamp-rgb), 0.35);
  background: rgba(var(--stamp-rgb), 0.08);
}

@media (hover: hover) {
  .series-page__badge:hover {
    color: var(--accent);
    border-color: rgba(var(--accent-rgb), 0.4);
  }
}

.series-page__badge:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

.series-page__count {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-border);
}

@media (max-width: 560px) {
  .series-page__header {
    margin: 0 0 1.5rem;
    padding: calc(env(safe-area-inset-top, 0px) + 5.5rem) 1.1rem 0;
  }
}

/* ── Series overlay ─────────────────────────────────────────────────────────── */

.series-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  background: var(--overlay);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-out);
}

.series-overlay.is-open {
  opacity: 1;
  pointer-events: all;
}

/* ── Top bar ── */
.series-overlay__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.4rem 0.9rem;
  border-bottom: 1px solid rgba(var(--accent-rgb), 0.1);
  flex-shrink: 0;
}

.series-overlay__identity {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

/* small folder icon */
.series-overlay__folder-icon {
  width: 26px;
  height: 20px;
  position: relative;
  flex-shrink: 0;
}
.series-overlay__folder-icon::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 78%;
  background: linear-gradient(175deg, var(--folder-icon-light), var(--folder-icon-dark));
  border-radius: 1px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4);
}
.series-overlay__folder-icon::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 46%;
  height: 7px;
  background: var(--folder-tab-dark);
  border-radius: 2px 2px 0 0;
}

.series-overlay__title {
  font-family: var(--font-serif);
  font-size: var(--text-md);
  color: var(--on-dark);
  line-height: 1;
}

.series-overlay__counter {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--accent-readable);
  letter-spacing: 0.08em;
  margin-top: 3px;
}

.series-overlay__close {
  width: 36px;
  height: 36px;
  background: none;
  border: 1px solid rgba(var(--accent-rgb), 0.2);
  border-radius: 50%;
  cursor: pointer;
  color: var(--accent-dim);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast);
  font-family: inherit;
  line-height: 1;
  flex-shrink: 0;
}

@media (hover: hover) {
  .series-overlay__close:hover {
    border-color: rgba(var(--accent-rgb), 0.55);
    color: var(--on-dark);
    background: rgba(var(--accent-rgb), 0.06);
  }
}

.series-overlay__close:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

/* ── Main stage ── */
.series-overlay__stage {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  min-height: 0;
  position: relative;
}

.series-overlay__nav {
  width: 44px;
  height: 44px;
  background: none;
  border: 1px solid var(--accent-subtle);
  border-radius: 50%;
  cursor: pointer;
  color: rgba(var(--accent-rgb), 0.4);
  font-size: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--dur-fast);
  flex-shrink: 0;
  font-family: inherit;
  line-height: 1;
}

@media (hover: hover) {
  .series-overlay__nav:not(:disabled):hover {
    border-color: var(--accent-dim);
    color: var(--on-dark);
    background: rgba(var(--accent-rgb), 0.06);
  }
}

.series-overlay__nav:disabled {
  opacity: 0.2;
  cursor: default;
}

.series-overlay__nav:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

.series-overlay__print-wrap {
  flex: 1;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.9rem;
  min-width: 0;
}

.series-overlay__print {
  background: var(--paper-aged);
  border-radius: 2px;
  overflow: hidden;
  box-shadow:
    0 4px 16px rgba(0,0,0,0.55),
    0 16px 48px rgba(0,0,0,0.4),
    0 0 0 1px rgba(var(--sepia-rgb), 0.2);
  width: 100%;
  max-width: 460px;
  transform: translateY(10px);
  opacity: 0;
  transition:
    transform var(--dur-slow) var(--ease-out),
    opacity var(--dur-med) var(--ease-out);
  cursor: pointer;
}

.series-overlay.is-open .series-overlay__print {
  transform: translateY(0);
  opacity: 1;
  transition-delay: 0.05s;
}

.series-overlay__print img {
  width: 100%;
  display: block;
  max-height: 55vh;
  object-fit: cover;
  draggable: false;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.series-overlay__print img.is-loading {
  aspect-ratio: 4/3;
  background: rgba(var(--accent-rgb), 0.06);
}

.series-overlay__caption {
  padding: 9px 12px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.series-overlay__caption-title {
  font-family: var(--font-serif);
  font-size: var(--text-base);
  color: var(--ink-paper);
  opacity: 0.7;
}

.series-overlay__caption-date {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  color: rgba(var(--ink-paper-rgb), 0.45);
  letter-spacing: 0.05em;
}

.series-overlay__open-hint {
  font-family: var(--font-mono);
  font-size: var(--text-2xs);
  letter-spacing: 0.08em;
  color: var(--accent-dim);
  text-align: center;
}

/* ── Thumbnail strip ── */
.series-overlay__strip {
  flex-shrink: 0;
  padding: 0.9rem 1.5rem 1.2rem;
  border-top: 1px solid rgba(var(--accent-rgb), 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.series-overlay__strip::-webkit-scrollbar { display: none; }

.series-overlay__thumb {
  width: 52px;
  height: 52px;
  border-radius: 1px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,0,0,0.15);
  opacity: 0.4;
  transform: scale(0.92);
  transition: all var(--dur-fast);
  flex-shrink: 0;
}

.series-overlay__thumb.is-active {
  opacity: 1;
  transform: scale(1);
  box-shadow:
    0 2px 8px rgba(0,0,0,0.5),
    0 0 0 2px var(--stamp);
}

@media (hover: hover) {
  .series-overlay__thumb:not(.is-active):hover {
    opacity: 0.7;
    transform: scale(0.96);
  }
}

.series-overlay__thumb:focus-visible {
  outline: 2px solid var(--accent-dim);
  outline-offset: 2px;
}

.series-overlay__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Mobile adjustments ── */
@media (max-width: 560px) {
  .series-overlay__stage {
    padding: 1rem;
    gap: 0.75rem;
  }

  .series-overlay__nav {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .series-overlay__print {
    max-width: 100%;
  }

  .series-overlay__strip {
    padding: 0.75rem 1rem 1rem;
    justify-content: flex-start;
  }
}