/* ── Screenshot Beautifier — tool-specific styles ────────────────────────────
   Global styles are inherited from /css/style.css.
   Colours reference CSS custom properties only — no hardcoded values.
   ─────────────────────────────────────────────────────────────────────────── */

.sbf-dropzone {
  width: 100%;
  min-height: 200px;
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg, 12px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  padding: 2rem 1rem;
}

.sbf-dropzone:hover,
.sbf-dropzone.is-dragover {
  border-color: var(--accent);
  background: var(--accent-light);
}

.sbf-dropzone__icon { font-size: 3rem; margin-bottom: 12px; display: block; }
.sbf-dropzone__text { font-size: 1.1rem; font-weight: 500; color: var(--text-primary); }
.sbf-dropzone__hint { font-size: 0.8rem; color: var(--text-secondary); margin: 4px 0 0; }

.sbf-browse-btn {
  margin-top: 12px;
  padding: 8px 20px;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  background: transparent;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.sbf-browse-btn:hover { background: var(--accent); color: #fff; }

.sbf-error {
  margin: 0.75rem 0 0;
  color: var(--color-danger, #ef4444);
  font-size: 0.875rem;
}

/* NOTE: .foo[hidden] can get overridden by a display:flex/grid rule applied
   elsewhere in the cascade (see css/style.css's .tool[hidden] comment for the
   canonical example of this pitfall) — restore the hide behavior explicitly
   for every element here that also carries a flex/grid display rule. */
#sbf-editor-section[hidden] { display: none; }
#sbf-quality-row[hidden] { display: none; }
#sbf-gradient-controls[hidden] { display: none; }
#sbf-solid-controls[hidden] { display: none; }
#sbf-transparent-hint[hidden] { display: none; }

.sbf-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 1fr);
  gap: 1.25rem;
  align-items: start;
}

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

.sbf-canvas-col { display: flex; flex-direction: column; gap: 0.6rem; }

.sbf-canvas-container {
  position: relative;
  background:
    linear-gradient(45deg, #808080 25%, transparent 25%) -10px 0/20px 20px,
    linear-gradient(-45deg, #808080 25%, transparent 25%) -10px 0/20px 20px,
    linear-gradient(45deg, transparent 75%, #808080 75%) -10px 0/20px 20px,
    linear-gradient(-45deg, transparent 75%, #808080 75%) -10px 0/20px 20px,
    #666;
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
  border-radius: var(--radius-md, 10px);
  overflow: hidden;
  min-height: 300px;
  max-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#sbf-canvas {
  display: block;
  max-width: 100%;
  max-height: 70vh;
}

.sbf-image-info {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: var(--text-secondary);
  min-height: 20px;
}

.sbf-controls-col {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.sbf-field-row {
  display: flex;
  align-items: flex-end;
  gap: 0.6rem;
}
.sbf-field-row .tzc-field { flex: 1; }

.sbf-mode-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.sbf-mode-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color var(--transition), background var(--transition);
}
.sbf-mode-pill:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-light);
}
.sbf-mode-pill input { accent-color: var(--accent); }

.sbf-checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-primary);
  cursor: pointer;
  margin-top: 0.5rem;
}
.sbf-checkbox-row input { accent-color: var(--accent); }

.sbf-slider { width: 100%; accent-color: var(--accent); cursor: pointer; }
.sbf-slider-val {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 42px;
  text-align: right;
  padding-bottom: 0.55rem;
}

.sbf-color-input {
  width: 100%;
  height: 38px;
  padding: 2px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  background: none;
}

.sbf-gradient-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.sbf-gradient-swatch {
  aspect-ratio: 1;
  border-radius: 8px;
  border: 2px solid var(--border-color);
  cursor: pointer;
  padding: 0;
  transition: border-color var(--transition), transform var(--transition);
}
.sbf-gradient-swatch:hover { transform: scale(1.05); }
.sbf-gradient-swatch.is-active { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-light); }

.sbf-privacy-notice {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
  margin: 0;
}

@media (max-width: 520px) {
  .sbf-field-row { flex-direction: column; align-items: stretch; }
  .sbf-slider-val { text-align: left; padding-bottom: 0; }
  .sbf-gradient-grid { grid-template-columns: repeat(4, 1fr); }
}