:root {
  --collection-bg-base: #0c0e11;
  --collection-bg-accent-a: rgba(0,153,255,0.08);
  --collection-bg-accent-b: rgba(255,194,56,0.08);
  --collection-surface: rgba(18,21,28,0.72);
  --collection-border: rgba(255,255,255,0.08);
  --collection-text-strong: #f4f6fb;
  --collection-modal-surface: rgba(10,14,22,0.96);
  --collection-modal-border: rgba(255,255,255,0.12);
  --collection-input-bg: rgba(20,25,35,0.75);
  --collection-input-border: rgba(255,255,255,0.18);
  --collection-chip-bg: rgba(20,25,35,0.55);
  --collection-chip-border: rgba(255,255,255,0.16);
}

[data-theme="light"] {
  --collection-bg-base: #ffffff;
  --collection-bg-accent-a: transparent;
  --collection-bg-accent-b: transparent;
  --collection-surface: rgba(255,255,255,0.92);
  --collection-border: rgba(17,24,39,0.12);
  --collection-text-strong: #111827;
  --collection-modal-surface: rgba(255,255,255,0.98);
  --collection-modal-border: rgba(17,24,39,0.16);
  --collection-input-bg: rgba(248,250,252,0.98);
  --collection-input-border: rgba(17,24,39,0.2);
  --collection-chip-bg: rgba(240,244,252,0.96);
  --collection-chip-border: rgba(17,24,39,0.16);
}

.collection-main {
  padding-top: calc(64px + var(--space-8));
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, var(--collection-bg-accent-a), transparent 45%),
    radial-gradient(circle at 90% 0%, var(--collection-bg-accent-b), transparent 40%),
    var(--collection-bg-base);
}
.collection-hero {
  margin: 0 auto;
  max-width: 1240px;
  border-radius: 18px;
  border: 1px solid var(--collection-border);
  background: var(--collection-surface);
  backdrop-filter: blur(8px);
  padding: 18px 22px;
}
.collection-hero-bg { display: none; }
.collection-hero-content {
  color: var(--collection-text-strong);
}
.collection-kicker {
  margin: 0 0 6px;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.collection-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.06;
}
.collection-hero p {
  margin: 12px 0 0;
  font-size: 15px;
  font-weight: 600;
  max-width: 70ch;
}
.collection-route-summary {
  color: var(--color-text-muted);
  max-width: 64ch;
}
.collection-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.collection-controls-wrap,
.collection-grid-wrap {
  margin: 14px auto 0;
  max-width: 1240px;
}
.collection-controls-wrap {
  background: var(--collection-surface);
  border: 1px solid var(--collection-border);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  padding: 14px;
}
.collection-actions {
  display: flex;
  justify-content: center;
  margin: 18px 0 28px;
}
.collection-actions .hero-pill {
  min-width: 140px;
}
.collection-controls .hero-pill {
  min-height: 40px;
  white-space: nowrap;
}
.collection-group-shelf {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--collection-border);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79,140,255,0.12), rgba(255,194,56,0.08));
}
.collection-group-shelf-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
}
.collection-group-kicker {
  margin: 0 0 6px;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.collection-group-shelf-header h2 {
  margin: 0;
  font-size: clamp(16px, 2.1vw, 22px);
  line-height: 1.05;
  color: var(--collection-text-strong);
}
.collection-group-filter-list,
.collection-detail-groups-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.collection-group-chip {
  border: 1px solid var(--collection-chip-border);
  background: rgba(12, 16, 24, 0.44);
  color: var(--color-text);
  border-radius: 999px;
  padding: 9px 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.collection-group-chip:hover {
  transform: translateY(-1px);
  border-color: rgba(79,140,255,0.45);
}
.collection-group-chip.is-active {
  background: rgba(79,140,255,0.18);
  border-color: rgba(79,140,255,0.6);
  color: var(--collection-text-strong);
}
.collection-group-chip.is-selected {
  background: rgba(79,140,255,0.14);
  border-color: rgba(79,140,255,0.52);
}
.collection-group-chip-dot,
.collection-detail-group-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
  flex: 0 0 auto;
}
.collection-group-chip-name {
  font-size: 13px;
  font-weight: 700;
}
.collection-group-chip-count {
  font-size: 11px;
  color: var(--color-text-muted);
}
.collection-group-empty {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px dashed var(--collection-chip-border);
  color: var(--color-text-muted);
  font-size: 13px;
}
@media (max-width: 768px) {
  .collection-main { padding-top: calc(64px + var(--space-6)); }
  .collection-hero { border-radius: 0; margin: 0; }
  .collection-controls-wrap,
  .collection-grid-wrap { margin-top: 8px; padding-left: 10px; padding-right: 10px; }
  .collection-group-shelf-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

.collection-detail-overlay {
  position: fixed;
  inset: 0;
  z-index: 240;
  background: rgba(0, 0, 0, 0.72);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.collection-detail-overlay.hidden { display: none; }
.collection-detail-modal {
  width: min(1160px, 96vw);
  max-height: 92vh;
  overflow: auto;
  border-radius: 18px;
  border: 1px solid var(--collection-modal-border);
  background: var(--collection-modal-surface);
  backdrop-filter: blur(10px);
  display: grid;
  grid-template-columns: minmax(320px, 46%) 1fr;
  gap: 16px;
  padding: 18px;
  position: relative;
}
.collection-detail-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-chip-bg);
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.collection-detail-media {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.collection-detail-image-wrap {
  background: var(--color-surface-2);
  border: 1px solid var(--collection-modal-border);
  border-radius: 14px;
  min-height: 520px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
}
.collection-detail-image {
  max-width: 100%;
  max-height: 72vh;
  width: auto;
  height: auto;
  border-radius: 12px;
  object-fit: contain;
  box-shadow: 0 10px 32px rgba(0,0,0,0.45);
}
.collection-detail-image.hidden { display: none; }
.collection-detail-media-actions {
  display: flex;
  gap: 8px;
}
.collection-detail-info h2 {
  margin: 6px 0 12px;
  font-size: 26px;
}
.collection-detail-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.collection-detail-tabs {
  display: inline-flex;
  gap: 8px;
  margin: 2px 0 14px;
  padding: 4px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-chip-bg);
}
.collection-detail-tab {
  border: 0;
  background: transparent;
  color: var(--color-text-muted);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.collection-detail-tab.active {
  background: rgba(79,140,255,0.18);
  color: var(--collection-text-strong);
}
.collection-detail-favorite-btn {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-chip-bg);
  color: #ffce5c;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}
.collection-detail-favorite-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(255,206,92,0.56);
}
.collection-detail-favorite-btn.is-active {
  background: rgba(255,206,92,0.12);
  border-color: rgba(255,206,92,0.64);
}
.collection-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.collection-detail-panel {
  display: none;
}
.collection-detail-panel.active {
  display: block;
}
.collection-detail-grid label,
.collection-detail-notes {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.collection-detail-grid input,
.collection-detail-notes textarea {
  border: 1px solid var(--collection-input-border);
  border-radius: 10px;
  background: var(--collection-input-bg);
  color: var(--color-text);
  padding: 8px 10px;
  font-size: 14px;
}
.collection-detail-checks {
  margin-top: 10px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.collection-detail-checks label {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--color-text);
  border: 1px solid var(--collection-chip-border);
  border-radius: 10px;
  padding: 8px 10px;
  background: var(--collection-chip-bg);
}
.collection-detail-checks input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #4f8cff;
}
.collection-detail-checks input[type="checkbox"]:checked + span {
  font-weight: 600;
}
.collection-detail-notes {
  margin-top: 10px;
}
.collection-detail-groups {
  margin-top: 10px;
  border: 1px solid var(--collection-modal-border);
  border-radius: 10px;
  padding: 10px;
  background: var(--collection-chip-bg);
}
.collection-detail-groups-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}
.collection-detail-groups-header span {
  display: block;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.collection-detail-groups-header p {
  margin: 4px 0 0;
  font-size: 12px;
  line-height: 1.4;
}
.collection-detail-group-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-input-bg);
  font-size: 13px;
  color: var(--color-text);
  cursor: pointer;
}
.collection-detail-group-item input {
  display: none;
}
.collection-detail-group-item.is-selected {
  border-color: rgba(79,140,255,0.6);
  background: rgba(79,140,255,0.14);
}
.collection-detail-groups-empty {
  font-size: 12px;
  color: var(--color-text-muted);
}
.gallery-name-favorite {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-chip-bg);
  color: #ffd86b;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  margin-left: 2px;
}
.gallery-name-favorite:hover {
  background: var(--collection-input-bg);
}
.collection-detail-actions {
  margin-top: 12px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.collection-detail-status {
  min-height: 20px;
  margin: 10px 0 0;
  font-size: 13px;
  color: var(--color-text-muted);
}
.collection-detail-market-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}
.collection-detail-market-card {
  border: 1px solid var(--collection-chip-border);
  border-radius: 12px;
  background: var(--collection-chip-bg);
  padding: 12px;
}
.collection-detail-market-card span {
  display: block;
}
.collection-detail-market-label {
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.collection-detail-market-value {
  margin-top: 6px;
  font-size: 20px;
  font-weight: 800;
  color: var(--collection-text-strong);
}
.collection-detail-market-value.positive {
  color: #5fd1a2;
}
.collection-detail-market-value.negative {
  color: #ff8f8f;
}
.collection-detail-market-sub {
  margin-top: 4px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.collection-detail-market-insight {
  margin-top: 12px;
  border: 1px solid rgba(79,140,255,0.22);
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(79,140,255,0.14), rgba(255,194,56,0.08));
  padding: 14px;
}
.collection-detail-market-insight strong {
  display: block;
  font-size: 16px;
  color: var(--collection-text-strong);
}
.collection-detail-market-insight p {
  margin: 6px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-text-muted);
}
.collection-detail-market-sales {
  margin-top: 12px;
  border: 1px solid var(--collection-modal-border);
  border-radius: 12px;
  padding: 12px;
  background: rgba(10, 14, 22, 0.22);
}
.collection-detail-market-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
  font-size: 12px;
  color: var(--color-text-muted);
}
.collection-detail-market-sales-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.collection-detail-market-sale {
  display: grid;
  grid-template-columns: 52px 1fr auto;
  gap: 10px;
  align-items: center;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.collection-detail-market-sale:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.collection-detail-market-sale img,
.collection-detail-market-thumb-empty {
  width: 52px;
  height: 72px;
  border-radius: 8px;
  object-fit: cover;
  background: rgba(255,255,255,0.06);
}
.collection-detail-market-sale-copy {
  min-width: 0;
}
.collection-detail-market-sale-title {
  display: block;
  color: var(--collection-text-strong);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.collection-detail-market-sale-meta {
  display: block;
  margin-top: 4px;
  color: var(--color-text-muted);
  font-size: 12px;
}
.collection-detail-market-sale-price {
  font-size: 15px;
  font-weight: 800;
  color: var(--collection-text-strong);
}
.collection-detail-market-empty {
  font-size: 13px;
  color: var(--color-text-muted);
  padding: 10px 0;
}
.collection-group-modal {
  position: fixed;
  inset: 0;
  z-index: 260;
  background: rgba(3, 8, 16, 0.74);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
}
.collection-group-modal.hidden {
  display: none;
}
.collection-group-modal-card {
  width: min(520px, 100%);
  border-radius: 18px;
  border: 1px solid var(--collection-modal-border);
  background: var(--collection-modal-surface);
  padding: 20px;
  position: relative;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.34);
}
.collection-group-modal-close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 36px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid var(--collection-chip-border);
  background: var(--collection-chip-bg);
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.collection-group-modal-copy h2 {
  margin: 0;
  font-size: 28px;
}
.collection-group-modal-copy p:last-child {
  margin: 10px 0 0;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.collection-group-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px;
  color: var(--color-text-muted);
  font-size: 12px;
}
.collection-group-field input {
  border: 1px solid var(--collection-input-border);
  border-radius: 10px;
  background: var(--collection-input-bg);
  color: var(--color-text);
  padding: 10px 12px;
  font-size: 14px;
}
.collection-group-field input[type="color"] {
  padding: 4px;
  min-height: 44px;
}
.collection-group-attach {
  margin-top: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text);
}
.collection-group-attach.hidden {
  display: none;
}
.collection-group-modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 16px;
}

body.collection-route-active .collection-controls-wrap,
body.collection-route-active .collection-grid-wrap {
  display: none;
}
body.collection-route-active .collection-detail-overlay {
  position: static;
  inset: auto;
  background: transparent;
  display: block;
  padding: 14px 0 28px;
}
body.collection-route-active .collection-detail-overlay.hidden {
  display: block;
}
body.collection-route-active .collection-detail-modal {
  width: min(1240px, calc(100vw - 32px));
  max-height: none;
  overflow: visible;
  margin: 0 auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.24);
}
body.collection-route-active .collection-detail-close {
  top: 16px;
  right: 16px;
}

@media (max-width: 960px) {
  .collection-detail-modal {
    grid-template-columns: 1fr;
  }
  .collection-detail-image-wrap {
    min-height: 320px;
  }
  .collection-detail-grid {
    grid-template-columns: 1fr;
  }
  .collection-detail-checks {
    grid-template-columns: 1fr;
  }
  .collection-detail-market-summary {
    grid-template-columns: 1fr;
  }
  .collection-detail-market-sale {
    grid-template-columns: 1fr;
  }
  .collection-detail-title-row,
  .collection-detail-groups-header,
  .collection-group-modal-actions {
    flex-direction: column;
    align-items: flex-start;
  }
  body.collection-route-active .collection-detail-modal {
    width: min(100vw, calc(100vw - 20px));
  }
}