/* Banner Letter Generator styles
 * Scoped under #blt and #tool-root #blt
 */

#blt {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
  margin: 0 auto;
}

#blt canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}

#blt .blt-help p {
  margin: 0;
  color: var(--fg-muted, #94a3b8);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ---------------- Config Panel ---------------- */
#blt .blt-config-panel {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 16px;
}

#blt .blt-field-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#blt .blt-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--fg, #e2e8f0);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

#blt .blt-hint {
  font-size: 0.8rem;
  color: var(--fg-muted, #94a3b8);
}

#tool-root #blt .blt-input {
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  padding: 10px 14px;
  border-radius: 6px;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.2));
  background: var(--bg, #090d16);
  color: var(--fg, #f8fafc);
  width: 100%;
  box-sizing: border-box;
  text-transform: uppercase;
}

#tool-root #blt .blt-input:focus {
  outline: 2px solid var(--accent, #10b981);
  outline-offset: 1px;
}

#blt .blt-pickers-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 600px) {
  #blt .blt-pickers-row {
    grid-template-columns: 1fr;
  }
}

#blt .blt-picker-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#blt .blt-swatches {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 6px;
}

/* Swatch specificity rule to out-rank generic buttons */
#tool-root #blt button.blt-swatch,
#tool-root #blt .blt-swatch {
  width: 100%;
  aspect-ratio: 1 / 1;
  min-width: 0;
  padding: 0;
  margin: 0;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid rgba(127, 127, 127, 0.4);
  box-sizing: border-box;
  transition: transform 0.1s ease;
}

#tool-root #blt button.blt-swatch:hover {
  transform: scale(1.08);
}

#tool-root #blt button.blt-swatch[aria-pressed="true"],
#tool-root #blt button.blt-swatch.is-selected {
  outline: 2px solid var(--fg, #ffffff);
  outline-offset: 2px;
  box-shadow: 0 0 0 4px var(--accent, #10b981);
}

/* ---------------- Preview Section ---------------- */
#blt .blt-preview-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 16px;
}

#blt .blt-section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
}

#blt .blt-h2 {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  color: var(--fg, #f8fafc);
}

#blt .blt-subhint {
  font-size: 0.8rem;
  color: var(--fg-muted, #94a3b8);
}

#blt .blt-stage {
  min-height: 110px;
  padding: 12px;
  background: var(--bg, #040810);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  overflow-x: auto;
}

#blt .blt-banner-row {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 90px;
}

#blt .blt-empty-msg {
  color: var(--fg-muted, #94a3b8);
  font-size: 0.9rem;
  padding: 24px;
  text-align: center;
  width: 100%;
}

#blt .blt-row-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  padding: 6px;
  border-radius: 6px;
  cursor: pointer;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
  user-select: none;
}

#blt .blt-row-item:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--accent, #10b981);
  transform: translateY(-2px);
}

#blt .blt-row-canvas {
  width: 40px;
  height: 80px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
  border-radius: 2px;
}

#blt .blt-row-char {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg-muted, #94a3b8);
}

/* ---------------- Command Box ---------------- */
#blt .blt-cmd-box {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--line, rgba(255, 255, 255, 0.08));
  padding-top: 16px;
}

#blt .blt-cmd-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

#blt .blt-h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  color: var(--fg, #f8fafc);
}

#blt .blt-cmd-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

#tool-root #blt .btn.blt-btn {
  font-family: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 6px;
  background: var(--surface, rgba(255, 255, 255, 0.08));
  color: var(--fg, #f8fafc);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.2));
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

#tool-root #blt .btn.blt-btn:hover {
  background: var(--surface-hover, rgba(255, 255, 255, 0.14));
  border-color: var(--accent, #10b981);
}

#blt .blt-cmd-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#tool-root #blt .blt-textarea {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.8rem;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg, #040810);
  color: var(--fg, #cbd5e1);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  resize: vertical;
  width: 100%;
  box-sizing: border-box;
}

#blt .blt-cmd-note {
  font-size: 0.75rem;
  color: var(--fg-muted, #94a3b8);
  margin: 0;
}

/* ---------------- Total Materials ---------------- */
#blt .blt-materials-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 16px;
}

#blt .blt-materials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

#blt .blt-materials-empty {
  font-size: 0.85rem;
  color: var(--fg-muted, #94a3b8);
  margin: 0;
}

#blt .blt-mats-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg, #040810);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  padding: 10px 12px;
}

#blt .blt-mats-h4 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--fg-muted, #94a3b8);
  margin: 0 0 4px 0;
  letter-spacing: 0.04em;
}

#blt .blt-mats-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#blt .blt-mats-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--fg, #f8fafc);
}

#blt .blt-mat-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.3);
  flex-shrink: 0;
}

/* ---------------- Detail Layout: Alphabet + Steps ---------------- */
#blt .blt-detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

@media (max-width: 860px) {
  #blt .blt-detail-layout {
    grid-template-columns: 1fr;
  }
}

/* Glyph Selector */
#blt .blt-alphabet-section {
  display: flex;
  flex-direction: column;
  gap: 14px;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 16px;
}

#blt .blt-glyph-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(46px, 1fr));
  gap: 8px;
}

#tool-root #blt button.blt-glyph-card,
#tool-root #blt .blt-glyph-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 6px 2px;
  min-width: 0;
  border-radius: 6px;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.12));
  background: var(--bg, #040810);
  cursor: pointer;
  transition: transform 0.12s ease, border-color 0.12s ease, background 0.12s ease;
}

#tool-root #blt button.blt-glyph-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent, #10b981);
}

#tool-root #blt button.blt-glyph-card[aria-pressed="true"],
#tool-root #blt button.blt-glyph-card.is-selected {
  border-color: var(--accent, #10b981);
  box-shadow: 0 0 0 2px var(--accent, #10b981);
  background: rgba(16, 185, 129, 0.08);
}

#blt .blt-glyph-canvas {
  width: 24px;
  height: 48px;
}

#blt .blt-glyph-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--fg, #e2e8f0);
}

/* Loom Steps Section */
#blt .blt-steps-section {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--surface, rgba(255, 255, 255, 0.03));
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 16px;
}

#blt .blt-single-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--bg, #040810);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.1));
  border-radius: 8px;
  padding: 12px;
}

#blt .blt-single-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

#blt .blt-selected-canvas {
  width: 60px;
  height: 120px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
  border-radius: 4px;
}

#blt .blt-single-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
  min-width: 0;
}

#blt .blt-single-cmd-box {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

#blt .blt-single-cmd-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

#blt .blt-code-inline {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.75rem;
  padding: 6px 8px;
  border-radius: 4px;
  background: var(--surface, rgba(255, 255, 255, 0.06));
  color: var(--fg, #e2e8f0);
  overflow-x: auto;
  white-space: nowrap;
  flex-grow: 1;
  border: 1px solid var(--line, rgba(255, 255, 255, 0.08));
}

/* Steps List */
#blt .blt-steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#blt .blt-step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--bg, #040810);
  border: 1px solid var(--line, rgba(255, 255, 255, 0.08));
  border-radius: 6px;
  padding: 8px 12px;
}

#blt .blt-step-canvas-wrap {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

#blt .blt-step-canvas {
  width: 30px;
  height: 60px;
  border-radius: 2px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

#blt .blt-step-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex-grow: 1;
}

#blt .blt-step-num {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent, #10b981);
  letter-spacing: 0.05em;
}

#blt .blt-step-title {
  font-size: 0.88rem;
  color: var(--fg, #f8fafc);
}

#blt .blt-step-desc {
  font-size: 0.78rem;
  color: var(--fg-muted, #94a3b8);
}

#blt .blt-step-item-req {
  font-size: 0.75rem;
  font-weight: 600;
  color: #f59e0b;
  margin-top: 2px;
}