.binder-slot-mode-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 3px;
  margin-bottom: 12px;
}

.slot-mode-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  padding: 6px 8px;
  border-radius: 3px;
  cursor: pointer;
}

.slot-mode-btn:hover {
  color: var(--text);
}

.slot-mode-btn.active {
  background: var(--surface-2);
  color: var(--text);
}

.binder-bridge-actions {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.binder-backup-row {
  margin-top: 4px;
}

.art-upload-row {
  display: flex;
  gap: 6px;
}

#binderArtZoom {
  width: 100%;
}

.binder-stage-container {
  width: 100%;
  max-width: 1180px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
}

.binder-toolbar {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
}

.binder-view-toggle,
.binder-page-nav,
.binder-page-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.binder-view-toggle .btn.active {
  background: var(--surface-2);
  border-color: var(--accent);
  color: var(--text);
}

.binder-page-indicator {
  font-family: var(--font-num);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  padding: 0 8px;
  min-width: 105px;
  text-align: center;
}

.binder-stats-bar {
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-size: 12px;
  color: var(--muted);
  padding: 0 2px;
}

.binder-hint {
  font-size: 11.5px;
  color: var(--muted);
}

.binder-spread-viewport {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 8px 0 28px;
  overflow-x: auto;
}

.binder-book {
  display: flex;
  align-items: stretch;
  background: #141619;
  border: 2px solid #282c32;
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.65);
  gap: 0;
}

.binder-spine {
  width: 22px;
  margin: 0 12px;
  background: linear-gradient(90deg, #0d0e10 0%, #23272d 50%, #0d0e10 100%);
  border-left: 1px solid #2e333b;
  border-right: 1px solid #2e333b;
  border-radius: 3px;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  align-items: center;
  padding: 24px 0;
  flex-shrink: 0;
}

.binder-ring {
  width: 16px;
  height: 6px;
  background: #49515c;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

.binder-page-card {
  background: #1b1e22;
  border: 1px solid #2d323a;
  border-radius: 6px;
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.binder-page-card.empty-cover-page {
  justify-content: center;
  align-items: center;
  color: var(--muted);
  font-size: 12.5px;
  min-width: 440px;
  background: repeating-linear-gradient(
    -45deg,
    #171a1e,
    #171a1e 8px,
    #1a1d22 8px,
    #1a1d22 16px
  );
}

.empty-cover-btn {
  margin-top: 8px;
}

.binder-page-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.binder-page-num {
  font-family: var(--font-num);
  font-size: 11.5px;
  font-weight: 600;
  color: var(--accent);
  flex-shrink: 0;
}

.binder-page-title-input {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font-size: 12.5px;
  font-weight: 500;
  padding: 3px 6px;
  border-radius: 3px;
  flex: 1;
  min-width: 0;
}

.binder-page-title-input:hover {
  border-color: var(--border);
}

.binder-page-title-input:focus {
  background: var(--bg);
  border-color: var(--accent);
}

.binder-page-grid {
  --slot-w: 132px;
  --slot-h: 184px;
  --b-gap-x: 9px;
  --b-gap-y: 11px;
  display: grid;
  grid-template-columns: repeat(var(--b-cols, 3), var(--slot-w));
  grid-template-rows: repeat(var(--b-rows, 3), var(--slot-h));
  gap: var(--b-gap-y) var(--b-gap-x);
  background: #121417;
  padding: 12px;
  border-radius: 5px;
  border: 1px solid #262a30;
}

.binder-book.view-spread .binder-page-grid.grid-4x3 {
  --slot-w: 108px;
  --slot-h: 151px;
  --b-gap-x: 7px;
  --b-gap-y: 9px;
}

.binder-book.view-single .binder-page-grid {
  --slot-w: 162px;
  --slot-h: 226px;
  --b-gap-x: 11px;
  --b-gap-y: 13px;
}

.binder-pocket {
  position: relative;
  border-radius: 5px;
  background: #181b1f;
  border: 1px dashed #323842;
  overflow: hidden;
  cursor: pointer;
  user-select: none;
  transition: border-color 0.12s ease, transform 0.12s ease;
}

.binder-pocket:hover {
  border-color: #546070;
}

.binder-pocket.selected-pocket {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-color: var(--accent);
  z-index: 5;
}

.binder-pocket.drag-over-pocket {
  outline: 2px dashed #e5c07b;
  outline-offset: 2px;
}

.binder-pocket::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0) 48%);
  border-left: 2px solid rgba(255, 255, 255, 0.07);
  border-right: 2px solid rgba(255, 255, 255, 0.07);
  pointer-events: none;
  z-index: 4;
}

.binder-pocket.empty-pocket {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  color: #555e6a;
}

.empty-pocket-num {
  font-family: var(--font-num);
  font-size: 11px;
  font-weight: 600;
}

.empty-pocket-plus {
  font-size: 16px;
  line-height: 1;
  opacity: 0.6;
}

.binder-card-slot {
  width: 100%;
  height: 100%;
  position: relative;
  display: flex;
  flex-direction: column;
  background: #20242a;
}

.binder-card-art-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.binder-card-slot.is-missing .binder-card-art-img {
  filter: grayscale(75%) brightness(0.65) contrast(0.95);
}

.binder-card-overlay-bar {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(0deg, rgba(12, 14, 17, 0.94) 0%, rgba(12, 14, 17, 0.72) 70%, transparent 100%);
  padding: 16px 7px 6px;
  display: flex;
  flex-direction: column;
  gap: 1px;
  z-index: 3;
}

.binder-card-title {
  font-size: 11.5px;
  font-weight: 600;
  color: #f0f3f6;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.binder-card-sub {
  font-family: var(--font-num);
  font-size: 10px;
  color: #b4bcc6;
  display: flex;
  justify-content: space-between;
  gap: 4px;
}

.binder-status-badge {
  position: absolute;
  top: 6px;
  right: 6px;
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 5px;
  border-radius: 3px;
  z-index: 3;
}

.binder-status-badge.status-owned {
  background: rgba(36, 92, 58, 0.9);
  color: #b7f0c9;
  border: 1px solid rgba(114, 204, 145, 0.4);
}

.binder-status-badge.status-missing {
  background: rgba(120, 44, 44, 0.92);
  color: #f7c1c1;
  border: 1px solid rgba(224, 118, 118, 0.45);
}

.binder-placeholder-mini {
  width: 100%;
  height: 100%;
  background: #f8f9fa;
  color: #16181b;
  padding: 8px 8px 6px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-top: 5px solid var(--tc, #5f6b76);
}

.bpm-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 4px;
}

.bpm-name {
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.15;
  color: #111;
}

.bpm-sprite {
  width: 28px;
  height: 28px;
  image-rendering: pixelated;
  object-fit: contain;
  flex-shrink: 0;
}

.bpm-body {
  border-top: 1px dotted #c5c9ce;
  border-bottom: 1px dotted #c5c9ce;
  padding: 5px 0;
  font-size: 10px;
}

.bpm-set {
  font-weight: 600;
  color: #222;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bpm-meta {
  font-family: var(--font-num);
  display: flex;
  justify-content: space-between;
  margin-top: 2px;
  color: #444;
}

.bpm-foot {
  font-size: 9px;
  font-weight: 700;
  color: #a13a3a;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.binder-art-slot {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  background: #14171b;
}

.binder-art-slot img {
  position: absolute;
  top: 0;
  left: 0;
  transform-origin: 0 0;
  max-width: none;
  pointer-events: none;
}

.binder-art-seam-v {
  position: absolute;
  top: 0;
  bottom: 0;
  background: rgba(18, 20, 23, 0.55);
  border-left: 1px dashed rgba(255, 255, 255, 0.22);
  border-right: 1px dashed rgba(255, 255, 255, 0.22);
  pointer-events: none;
  z-index: 2;
}

.binder-art-seam-h {
  position: absolute;
  left: 0;
  right: 0;
  background: rgba(18, 20, 23, 0.62);
  border-top: 1px dashed rgba(255, 255, 255, 0.22);
  border-bottom: 1px dashed rgba(255, 255, 255, 0.22);
  pointer-events: none;
  z-index: 2;
}

.binder-art-tag {
  position: absolute;
  bottom: 6px;
  right: 7px;
  background: rgba(15, 17, 20, 0.84);
  color: #e4e7ea;
  font-size: 10px;
  font-weight: 600;
  padding: 2px 7px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  z-index: 3;
  pointer-events: none;
}