.tool-tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

@media (max-width: 640px) {
  .tool-tabs {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    margin-inline: -4px;
    padding-inline: 4px 8px;
  }

  .tool-tab {
    flex-shrink: 0;
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 0.45em 0.9em;
  }

  .form-grid {
    gap: 10px;
  }

  .result-box {
    margin-top: 12px;
    padding: 12px;
  }

  .toolbar {
    margin-bottom: 8px;
  }

  .image-import-zone {
    min-height: 120px;
  }

  .image-import-zone__label {
    padding: 16px;
    gap: 8px;
  }
}

.tool-tab {
  padding: 0.5em 1.1em;
  min-height: 38px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--panel-border);
  background: color-mix(in srgb, var(--btn-bg) 60%, transparent);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  transition: border-color 0.18s ease, background 0.18s ease, color 0.18s ease, box-shadow 0.18s ease, transform 0.15s ease;
}

.tool-tab:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--panel-border));
  color: var(--text);
  background: color-mix(in srgb, var(--btn-bg) 70%, var(--accent) 8%);
  box-shadow: none;
}

.tool-tab.active {
  border-color: color-mix(in srgb, var(--accent) 65%, transparent);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 20%, transparent);
}

.tool-panel { display: none; }
.tool-panel.active { display: block; }

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid--2 {
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.field { margin-bottom: 0; }

.result-box {
  margin-top: 16px;
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
}

.result-box h3 {
  font-size: 0.95rem;
  margin-bottom: 10px;
  color: var(--accent);
}

.result-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.9rem;
}

.result-row:last-child { border-bottom: none; }

.result-row strong { color: var(--text); }

.msg {
  margin-top: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
}

.msg.error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.35);
  color: #fca5a5;
}

.msg.ok {
  background: rgba(74, 222, 128, 0.1);
  border: 1px solid rgba(74, 222, 128, 0.3);
  color: #86efac;
}

.msg.info {
  background: var(--accent-soft);
  border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent);
  color: var(--text-muted);
}

.toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

/* Clickable image import drop zone — shown before an image is loaded */
.image-import-zone {
  position: relative;
  border: 2px dashed var(--panel-border);
  border-radius: var(--radius-sm);
  background: var(--btn-bg);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 160px;
  cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.image-import-zone:hover,
.image-import-zone:focus-visible {
  border-color: var(--accent);
  background: var(--accent-soft);
  outline: none;
}

.image-import-zone.has-image {
  cursor: default;
  border-style: solid;
  border-color: var(--panel-border);
  background: var(--panel-2);
}

.image-import-zone__label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 24px;
  color: var(--text-muted);
  pointer-events: none;
  user-select: none;
}

.image-import-zone__icon {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.image-import-zone__text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.image-import-zone__hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.image-import-zone.has-image .image-import-zone__label {
  display: none;
}

.ltr { direction: ltr; text-align: left; }

.hint {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-top: 8px;
}