:root {
  --canvas: #F8F7F4;
  --surface: #FFFFFF;
  --subtle: #F0EEE9;
  --kraft: #EAE4D7;
  --kraft-border: #D5CBB8;
  --kraft-flap: #DFD7C6;
  --border: #E7E5E4;
  --ink: #18181B;
  --muted: #78716C;
  --accent: #0F766E;
  --accent-hover: #0D655E;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background-color: var(--canvas);
  color: var(--ink);
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.font-mono-code {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
  letter-spacing: 0.03em;
}

/* Standard Architectural Card */
.arch-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease;
}

/* Tactile Physical Box Card on the Shelf */
.shelf-rack {
  background: #F2EFE9;
  border: 1px solid #E2DDD2;
  border-bottom: 4px solid #D5CBB8;
  border-radius: 18px;
  padding: 18px;
}

.box-unit {
  background: #FBF9F5;
  border: 1.5px solid var(--kraft-border);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.18s ease, border-color 0.18s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.box-unit:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 22px -6px rgba(24, 24, 27, 0.08);
}

.box-unit.active-open {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent), 0 10px 24px -6px rgba(15, 118, 110, 0.16);
}

.box-unit-flap {
  background: linear-gradient(180deg, var(--kraft-flap) 0%, var(--kraft) 100%);
  border-bottom: 1.5px dashed #C7B99E;
  padding: 9px 13px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.box-handle-slot {
  width: 36px;
  height: 6px;
  background: #D5CBB8;
  border-radius: 999px;
  margin: 7px auto 2px;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.15);
}

/* Open Box Interior Container */
.open-box-interior {
  background: #FBF9F5;
  border: 2px solid var(--accent);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 18px 40px -12px rgba(15, 118, 110, 0.12);
}

.open-box-header {
  background: linear-gradient(180deg, #E6F4F1 0%, #F5F2EB 100%);
  border-bottom: 1.5px dashed #99CFC7;
  padding: 14px 18px;
}

/* Object Row / Expandable Item inside Box or Loose Gallery */
.object-item-row {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}

.object-item-row:hover {
  border-color: #CBD5E1;
}

.object-item-row.expanded {
  border-color: var(--accent);
  box-shadow: 0 6px 20px -4px rgba(15, 118, 110, 0.1);
}

.loose-indicator-border {
  border-left: 3.5px solid #94A3B8;
}

/* Inputs & Pills */
.arch-input {
  width: 100%;
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 11px;
  font-size: 0.88rem;
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.arch-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.pill-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--subtle);
  color: var(--ink);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.14s ease;
}

.pill-btn:hover {
  border-color: #D6D3CD;
}

.pill-btn.active {
  background: var(--accent);
  color: #FFFFFF;
}

.btn-emerald {
  background: var(--accent);
  color: #FFFFFF;
  border: 1px solid var(--accent);
  border-radius: 10px;
  padding: 8px 15px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.1s ease, background-color 0.15s ease;
}

.btn-emerald:hover {
  background: var(--accent-hover);
}

.btn-stone {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 7px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transition: background-color 0.14s ease, border-color 0.14s ease;
}

.btn-stone:hover {
  background: var(--subtle);
  border-color: #D6D3CD;
}

/* Plan Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-keep { background: #CCFBF1; color: #115E59; }
.badge-move { background: #E0F2FE; color: #075985; }
.badge-sell { background: #FEF3C7; color: #92400E; }
.badge-donate { background: #F3E8FF; color: #6B21A8; }
.badge-neutral { background: #F0EEE9; color: #57534E; }

.toast-msg {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #18181B;
  color: #FFFFFF;
  padding: 10px 16px;
  border-radius: 10px;
  font-size: 0.84rem;
  font-weight: 600;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
  display: none;
  z-index: 1000;
}

.print-sheet {
  display: none;
}

/* Consolidated 2-Column Sticker Cards (Used in Modal Preview & Print Sheet) */
.sticker-grid-10up,
.sticker-grid-6up {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 12px;
  width: 100%;
  grid-column: 1 / -1;
}

.blank-sticker-card {
  border: 1.5px solid #18181B;
  border-radius: 8px;
  padding: 8px 10px;
  background: #FFFFFF;
  color: #18181B;
  break-inside: avoid;
  page-break-inside: avoid;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.sticker-write-line {
  border-bottom: 1px dashed #78716C;
  height: 16px;
  margin-top: 3px;
  font-size: 0.7rem;
  color: #57534E;
  display: flex;
  align-items: flex-end;
  padding-bottom: 1px;
}

@media print {
  @page {
    size: letter portrait;
    margin: 0.3in 0.25in;
  }
  body {
    background: #FFFFFF !important;
    color: #18181B !important;
  }
  .no-print {
    display: none !important;
  }
  .print-sheet {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px 12px !important;
    width: 100% !important;
  }
  .sticker-grid-10up {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 8px 12px !important;
    grid-column: 1 / -1;
  }
  .sticker-grid-6up {
    display: grid !important;
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 12px 14px !important;
    grid-column: 1 / -1;
  }
  .blank-sticker-card {
    border: 1.5px solid #18181B !important;
    border-radius: 8px !important;
    background: #FFFFFF !important;
    color: #18181B !important;
    break-inside: avoid !important;
    page-break-inside: avoid !important;
  }
  .sticker-grid-10up .blank-sticker-card {
    height: 1.78in;
    padding: 7px 10px;
  }
  .sticker-grid-6up .blank-sticker-card {
    height: 2.85in;
    padding: 12px 14px;
  }
  .print-card {
    border: 1.5px solid #18181B;
    border-radius: 8px;
    padding: 9px 11px;
    break-inside: avoid;
    page-break-inside: avoid;
    background: #FFFFFF;
    color: #18181B;
  }
}