*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: #f5f5f5;
  color: #111;
  margin: 0;
  padding: 0;
}

/* ── App bar ── */
#app-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: env(safe-area-inset-top) calc(24px + env(safe-area-inset-right)) 0 calc(24px + env(safe-area-inset-left));
  height: calc(56px + env(safe-area-inset-top));
  background: #00ae42;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}

#app-bar h1 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

/* ── Screen 1 ── */
#screen-select {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 32px calc(16px + env(safe-area-inset-right)) calc(32px + env(safe-area-inset-bottom)) calc(16px + env(safe-area-inset-left));
  max-width: 800px;
  width: 98vw;
  margin: 0 auto;
}

.config-section {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.section-title {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #999;
  margin: 0;
}

.material-checklist {
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  max-height: 280px;
  overflow-y: auto;
}

.checklist-group-header,
.checklist-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
}

.checklist-item:hover {
  background: #f5f5f5;
}

.checklist-group-header {
  font-weight: 600;
  font-size: 0.85rem;
  color: #888;
  background: #fafafa;
  border-bottom: 1px solid #f0f0f0;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}

.checklist-group-header:hover {
  background: #f0f0f0;
}

.checklist-group-cb {
  display: flex;
  align-items: center;
}

.checklist-group-count {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  color: #bbb;
  background: #f0f0f0;
  border-radius: 10px;
  padding: 1px 7px;
}

.checklist-item-count {
  display: flex;
  align-items: center;
  gap: 3px;
  font-size: 0.75rem;
  font-weight: 500;
  color: #bbb;
  background: #f0f0f0;
  border-radius: 10px;
  padding: 1px 7px;
}

.fold-arrow {
  margin-left: 6px;
  color: #bbb;
  transition: transform 0.2s;
  flex-shrink: 0;
}

.checklist-group.collapsed .fold-arrow {
  transform: rotate(-90deg);
}

.checklist-items {
  display: block;
}

.checklist-group.collapsed .checklist-items {
  display: none;
}

.checklist-item {
  padding-left: 32px;
  border-bottom: 1px solid #f5f5f5;
}

.checklist-item:last-child {
  border-bottom: none;
}

.select-input {
  font-size: 1.1rem;
  padding: 10px 16px;
  border: 1px solid #ccc;
  border-radius: 8px;
  background: #fff;
  width: 100%;
  cursor: pointer;
}

.select-input:disabled {
  background: #f0f0f0;
  color: #999;
  cursor: not-allowed;
}

.btn {
  font-size: 1rem;
  padding: 10px 28px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: #00ae42;
  color: #fff;
  font-weight: 700;
  transition: background 0.15s;
}
.btn:hover {
  background: #009035;
}
.btn:disabled {
  background: #ccc;
  cursor: not-allowed;
}
.btn.secondary {
  background: #e0e0e0;
  color: #111;
}
.btn.secondary:hover {
  background: #ccc;
}

/* ── Screen 2 ── */
#screen-labels {
  display: none;
}

.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px calc(24px + env(safe-area-inset-right)) 16px calc(24px + env(safe-area-inset-left));
  background: #fff;
  border-bottom: 1px solid #ddd;
  position: sticky;
  top: 0;
  z-index: 10;
}

.toolbar-back-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: #555;
  display: flex;
  align-items: center;
  border-radius: 50%;
  flex-shrink: 0;
  transition: color 0.15s, background 0.15s;
}

.toolbar-back-btn:hover {
  color: #111;
  background: #f0f0f0;
}

.toolbar-title-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 1;
  min-width: 0;
}

.toolbar h2 {
  margin: 0;
  font-size: 1.1rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 600px) {
  .toolbar {
    flex-wrap: wrap;
  }
  .toolbar-title-row {
    width: 100%;
    flex: none;
  }
}

#labels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 12px;
  padding: 24px calc(24px + env(safe-area-inset-right)) calc(24px + env(safe-area-inset-bottom)) calc(24px + env(safe-area-inset-left));
}

#labels-grid svg {
  width: 100%;
  height: auto;
  display: block;
}

.label-wrapper {
  position: relative;
}

#labels-grid.selection-mode .label-wrapper {
  cursor: pointer;
}

#labels-grid.selection-mode .label-wrapper::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 4px;
  border: 2px solid #00ae42;
  pointer-events: none;
  transition: border-color 0.15s;
}

#labels-grid.selection-mode .label-wrapper.excluded::after {
  border-color: #e0e0e0;
}

#labels-grid.selection-mode .label-wrapper::before {
  content: "✓";
  position: absolute;
  top: 6px;
  right: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #00ae42;
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  pointer-events: none;
  transition: background 0.15s;
}

#labels-grid.selection-mode .label-wrapper.excluded::before {
  background: #ccc;
}

.label-wrapper.excluded svg {
  opacity: 0.25;
  filter: grayscale(1);
  transition: opacity 0.15s, filter 0.15s;
}

#loading {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-size: 1.2rem;
  color: #555;
}

/* ── Custom template ── */
#label-preview {
  align-self: center;
}

.template-select-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}

.info-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  color: #888;
  display: flex;
  align-items: center;
  border-radius: 50%;
  transition: color 0.15s, background 0.15s;
}

.info-btn:hover {
  color: #00ae42;
  background: #f0fdf4;
}

.instructions-panel {
  width: 100%;
}

.instructions-panel table {
  width: 100%;
  border-collapse: collapse;
}

.instructions-panel th,
.instructions-panel td {
  text-align: left;
  padding: 4px 6px;
  border-bottom: 1px solid #eee;
  vertical-align: top;
}

.instructions-panel th {
  font-weight: 600;
  color: #111;
}

.instructions-panel code {
  font-family: monospace;
  background: #f0f0f0;
  padding: 1px 4px;
  border-radius: 3px;
  font-size: 0.8rem;
}

.custom-template {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #555;
}

.custom-template.drag-over {
  outline: 2px dashed #00ae42;
  outline-offset: 4px;
  border-radius: 8px;
  background: #f0fdf4;
}

.custom-template input[type="file"] {
  font-size: 0.9rem;
  cursor: pointer;
}

/* ── Notification ── */
.notification {
  border-radius: 6px;
  padding: 1rem 2.5rem 1rem 1.25rem;
  position: relative;
  width: 100%;
  font-size: 0.85rem;
}

.notification.is-warning.is-light {
  background-color: #fffaeb;
  color: #946c00;
}

.notification.is-info.is-light {
  background-color: #eff5fb;
  color: #296fa8;
}

.notification.is-danger.is-light {
  background-color: #feecf0;
  color: #cc0f35;
}

.notification .delete {
  position: absolute;
  right: 0.5rem;
  top: 0.5rem;
}

.delete {
  appearance: none;
  background-color: rgba(10, 10, 10, 0.2);
  border: none;
  border-radius: 9999px;
  cursor: pointer;
  display: inline-block;
  height: 20px;
  width: 20px;
  position: relative;
  flex-shrink: 0;
}

.delete::before,
.delete::after {
  background-color: #fff;
  content: "";
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translateX(-50%) translateY(-50%) rotate(45deg);
  transform-origin: center center;
}

.delete::before {
  height: 2px;
  width: 50%;
}

.delete::after {
  height: 50%;
  width: 2px;
}

/* ── Print ── */
@media print {
  .no-print,
  #app-bar {
    display: none !important;
  }
  body {
    background: #fff;
  }
  #labels-grid {
    display: grid;
    gap: 3mm;
    padding: 0;
  }
  #labels-grid svg {
    box-shadow: none;
    border-radius: 0;
    page-break-inside: avoid;
  }
  .label-wrapper.excluded {
    display: none;
  }
}