/* ===== Archive header ===== */
.archive-head {
  padding: 140px 0 32px;
}
.archive-head h1 {
  font-weight: 500;
  margin: 0 0 14px;
}
.archive-head p {
  color: var(--ink-2);
  max-width: 56ch;
  font-size: 0.94rem;
}
.archive-head kbd {
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.05);
  padding: 2px 7px;
  border-radius: 4px;
  border: 1px solid var(--line);
  font-size: 0.72rem;
  color: var(--ink-1);
}
@media (max-width: 720px) {
  .archive-head { padding: 96px 0 20px; }
}
/* hide keyboard-only hints on touch devices */
@media (hover: none) and (pointer: coarse) {
  .archive-head__hint { display: none; }
}

/* ===== Toolbar ===== */
.toolbar {
  position: sticky;
  top: 64px;
  z-index: 20;
  margin: 0 0 24px;
  padding: 10px;
  border-radius: var(--rad-lg);
  background: rgba(15, 15, 18, 0.85);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  border: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 10px;
  align-items: center;
}
.toolbar__search {
  position: relative;
  display: flex; align-items: center;
}
.toolbar__search svg {
  position: absolute; left: 12px;
  width: 14px; height: 14px;
  color: var(--ink-3);
}
.toolbar__search input {
  width: 100%;
  padding: 9px 14px 9px 34px;
  border-radius: var(--rad-sm);
  background: rgba(255,255,255,0.04);
  border: 1px solid transparent;
  color: var(--ink-0);
  font-size: 0.88rem;
  outline: none;
  transition: border var(--dur-1), background var(--dur-1);
}
.toolbar__search input::placeholder { color: var(--ink-3); }
.toolbar__search input:focus {
  border-color: var(--line-strong);
  background: rgba(255,255,255,0.06);
}

.toolbar__filter-group {
  display: flex; align-items: center; gap: 2px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  padding: 3px;
  border-radius: var(--rad-sm);
}
.toolbar__chip {
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.78rem;
  color: var(--ink-2);
  transition: all var(--dur-1);
  white-space: nowrap;
}
.toolbar__chip:hover { color: var(--ink-0); }
.toolbar__chip.is-active {
  background: rgba(255,255,255,0.08);
  color: var(--ink-0);
}

.toolbar__view {
  display: flex; gap: 2px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--line);
  padding: 3px;
  border-radius: var(--rad-sm);
}
.toolbar__view button {
  width: 30px; height: 30px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 4px;
  color: var(--ink-3);
  transition: all var(--dur-1);
}
.toolbar__view button:hover { color: var(--ink-1); }
.toolbar__view button.is-active {
  background: rgba(255,255,255,0.08);
  color: var(--ink-0);
}
.toolbar__view svg { width: 14px; height: 14px; }

@media (max-width: 980px) {
  .toolbar {
    grid-template-columns: 1fr;
    top: 60px;
  }
}
@media (max-width: 540px) {
  .toolbar {
    grid-template-columns: 1fr;
    gap: 8px;
    padding: 8px;
  }
  .toolbar__filter-group, .toolbar__view {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .toolbar__filter-group::-webkit-scrollbar,
  .toolbar__view::-webkit-scrollbar { display: none; }
}

/* ===== Masonry grid ===== */
.archive-grid {
  column-count: 4;
  column-gap: 10px;
}
.archive-grid--dense {
  column-count: 6;
  column-gap: 6px;
}
@media (max-width: 1100px) {
  .archive-grid { column-count: 3; }
  .archive-grid--dense { column-count: 4; }
}
@media (max-width: 720px) {
  .archive-grid { column-count: 2; }
  .archive-grid--dense { column-count: 3; }
}

.specimen-card {
  display: block;
  break-inside: avoid;
  -webkit-column-break-inside: avoid;
  page-break-inside: avoid;
  margin: 0 0 10px;
  width: 100%;
  border-radius: var(--rad-md);
  overflow: hidden;
  background: var(--bg-1);
  border: 1px solid var(--line);
  cursor: zoom-in;
  position: relative;
  transition: border-color var(--dur-1) var(--ease-out), transform var(--dur-1);
  text-align: left;
}
.specimen-card:hover {
  border-color: var(--line-strong);
}
.specimen-card img {
  width: 100%;
  height: auto;
  display: block;
}
.specimen-card__veil {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(0,0,0,0.7));
  opacity: 0;
  transition: opacity var(--dur-1);
  pointer-events: none;
}
.specimen-card:hover .specimen-card__veil { opacity: 1; }
.specimen-card__meta {
  position: absolute; left: 10px; right: 10px; bottom: 10px;
  display: flex; justify-content: flex-start;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-0);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity var(--dur-1), transform var(--dur-1);
}
.specimen-card:hover .specimen-card__meta { opacity: 1; transform: none; }

.specimen-card__id {
  background: rgba(0,0,0,0.65);
  padding: 4px 8px;
  border-radius: 4px;
  backdrop-filter: blur(6px);
}
.archive-grid--dense .specimen-card__meta { display: none; }
.archive-grid--dense .specimen-card { margin-bottom: 6px; }

/* empty state */
.empty {
  text-align: center;
  padding: 64px 0;
  color: var(--ink-3);
  border: 1px dashed var(--line);
  border-radius: var(--rad-lg);
}
.empty h3 { color: var(--ink-1); margin-bottom: 6px; font-weight: 500; }

.result-count {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--ink-3);
  margin-bottom: 14px;
}
.result-count strong { color: var(--ink-1); font-weight: 500; }

/* ===== Lightbox ===== */
.lightbox {
  position: fixed; inset: 0;
  z-index: 100;
  display: none;
  background: rgba(8, 8, 10, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  align-items: center; justify-content: center;
}
.lightbox[aria-hidden="false"] { display: flex; animation: lightbox-in 0.2s var(--ease-out); }
@keyframes lightbox-in {
  from { opacity: 0; }
  to { opacity: 1; }
}
.lightbox__stage {
  position: relative;
  width: min(92vw, 1100px);
  max-height: 88vh;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 18px;
}
.lightbox__image-wrap {
  position: relative;
  background: var(--bg-1);
  border-radius: var(--rad-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  display: flex; align-items: center; justify-content: center;
  min-height: 60vh;
  max-height: 88vh;
}
.lightbox__image {
  max-width: 100%;
  max-height: 88vh;
  width: auto;
  height: auto;
  display: block;
  object-fit: contain;
}
.lightbox__panel {
  display: flex; flex-direction: column;
  background: var(--bg-1);
  border: 1px solid var(--line);
  border-radius: var(--rad-lg);
  padding: 22px;
  overflow-y: auto;
}
.lightbox__id {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: -0.02em;
  color: var(--ink-0);
  margin-bottom: 22px;
  font-weight: 500;
}
.lightbox__placeholder {
  flex: 1;
  display: flex; align-items: center; justify-content: center;
  border: 1px dashed var(--line);
  border-radius: var(--rad-sm);
  padding: 18px;
  margin-bottom: 18px;
  min-height: 140px;
}
.lightbox__placeholder p {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-3);
  margin: 0;
}
.lightbox__actions {
  display: flex; gap: 8px; flex-wrap: wrap;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.lightbox__close, .lightbox__nav {
  position: absolute;
  width: 38px; height: 38px;
  border-radius: 999px;
  background: rgba(15, 15, 18, 0.7);
  border: 1px solid var(--line-strong);
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--ink-1);
  transition: all var(--dur-1);
  z-index: 5;
  backdrop-filter: blur(8px);
}
.lightbox__close { top: -48px; right: 0; }
.lightbox__nav--prev { top: 50%; left: 14px; transform: translateY(-50%); }
.lightbox__nav--next { top: 50%; right: calc(300px + 18px + 14px); transform: translateY(-50%); }
.lightbox__close:hover, .lightbox__nav:hover {
  border-color: rgba(255,255,255,0.3);
  color: var(--ink-0);
  background: rgba(255,255,255,0.06);
}
.lightbox__nav svg, .lightbox__close svg { width: 16px; height: 16px; }
.lightbox__counter {
  position: absolute;
  bottom: -34px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-3);
}

@media (max-width: 900px) {
  .lightbox { padding: 16px; }
  .lightbox__stage {
    grid-template-columns: 1fr;
    width: 100%;
    max-height: 100%;
  }
  .lightbox__panel { display: none; }
  .lightbox__nav--next { right: 8px; }
  .lightbox__nav--prev { left: 8px; }
  .lightbox__close { top: -50px; right: 0; }
  .lightbox__image-wrap { min-height: 0; max-height: 78vh; }
  .lightbox__counter { bottom: -28px; }
}

body.is-locked { overflow: hidden; }