/* ===== Tool Common ===== */
.tool-section {
  min-height: 100vh;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--text-dim);
  margin-bottom: 32px;
}
.breadcrumb a { color: var(--text-dim); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { opacity: 0.4; }

.tool-header {
  text-align: center;
  margin-bottom: 48px;
}
.tool-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 12px;
}
.tool-desc {
  color: var(--text-dim);
  font-size: 0.95rem;
  line-height: 1.8;
}

/* ===== Tool List ===== */
.tool-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* ===== Card ===== */
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 32px;
  margin-bottom: 24px;
}

.card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.card-header h2 {
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0;
  flex: 1;
}
.card-step {
  background: linear-gradient(135deg, #b91c1c, #e63946);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}
.card-sub {
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 400;
}
.card-header-actions {
  flex-shrink: 0;
}
.card-header-actions select {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
}

/* ===== Template Grid ===== */
.template-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}
.template-btn {
  background: var(--bg-dark);
  border: 2px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 12px;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text);
}
.template-btn:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}
.template-btn.active {
  border-color: var(--accent);
  box-shadow: 0 0 16px var(--accent-glow);
}
.template-icon { font-size: 1.8rem; }
.template-name { font-weight: 600; font-size: 0.95rem; }
.template-desc { color: var(--text-dim); font-size: 0.75rem; }

/* ===== Form ===== */
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
}
.form-item label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
}
.required { color: var(--accent); }
.form-item input, .form-item select {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  transition: border-color 0.3s;
}
.form-item input:focus, .form-item select:focus {
  outline: none;
  border-color: var(--accent);
}
.form-item-full {
  grid-column: 1 / -1;
}
.form-hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 12px;
}

/* ===== Drop Zone ===== */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.3s, background 0.3s;
  position: relative;
}
.drop-zone:hover, .drop-zone.dragover {
  border-color: var(--accent);
  background: rgba(185, 28, 28, 0.05);
}
.drop-zone-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 0.9rem;
}
.drop-icon { font-size: 2rem; }

/* ===== Migrator ===== */
.notice-list {
  color: var(--text-dim);
  line-height: 1.8;
  margin: 0;
  padding-left: 1.2em;
}
.notice-list strong {
  color: var(--accent);
}
.small-note {
  color: var(--text-dim);
  font-size: 0.8rem;
}
.selected-file {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-dark);
  color: var(--text);
  font-size: 0.9rem;
}
.migration-summary {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}
.summary-item {
  color: var(--text-dim);
  line-height: 1.7;
}
.summary-item code {
  color: var(--text);
  background: rgba(255,255,255,0.06);
  padding: 2px 5px;
  border-radius: 4px;
}
.summary-icon { margin-right: 6px; }
.tool-main-btn {
  width: 100%;
  justify-content: center;
  border: none;
  cursor: pointer;
}
.tool-main-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.result-log {
  white-space: pre-wrap;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 14px;
  overflow: auto;
  line-height: 1.6;
}

/* ===== Image Preview ===== */
.image-preview {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 12px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}
.image-preview img {
  max-width: 80px;
  max-height: 80px;
  border-radius: 4px;
  object-fit: contain;
}

/* ===== Resource / Param Rows ===== */
.resource-row, .param-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.resource-row input, .param-row input {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  transition: border-color 0.3s;
}
.resource-row input:focus, .param-row input:focus {
  outline: none;
  border-color: var(--accent);
}
.resource-row input:first-child, .param-row input:first-child {
  flex: 1;
}
.resource-row input[type="number"] {
  width: 70px;
}

/* ===== Palette ===== */
.palette-hint {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 12px;
}
.palette-hint p {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin: 0;
}
.palette-hint code {
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.8rem;
}
textarea {
  width: 100%;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-family: 'Fira Code', monospace;
  resize: vertical;
  line-height: 1.7;
  transition: border-color 0.3s;
}
textarea:focus {
  outline: none;
  border-color: var(--accent);
}

/* ===== Export ===== */
.export-preview {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  max-height: 400px;
  overflow: auto;
  margin-bottom: 20px;
}
.export-preview pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-all;
}
.export-preview code {
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  color: var(--text-dim);
  line-height: 1.6;
}
.export-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* ===== Buttons ===== */
.btn-primary {
  background: linear-gradient(135deg, #b91c1c, #e63946);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.3s;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px var(--accent-glow);
}
.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 12px 24px;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: border-color 0.3s;
}
.btn-secondary:hover {
  border-color: var(--accent);
}
.btn-small {
  background: var(--surface);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.3s;
}
.btn-small:hover {
  background: rgba(185, 28, 28, 0.1);
}
.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s, border-color 0.3s;
}
.btn-icon:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.btn-remove {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  transition: color 0.3s;
}
.btn-remove:hover {
  color: var(--accent);
}

/* ===== Empty ===== */
.empty-hint {
  color: var(--text-dim);
  font-size: 0.85rem;
  text-align: center;
  padding: 16px;
  opacity: 0.6;
}

/* ===== Tool List Page ===== */
.tool-list-page {
  min-height: 100vh;
  padding-top: 100px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .tool-card {
    padding: 20px;
  }
  .template-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .resource-row, .param-row {
    flex-wrap: wrap;
  }
  .resource-row input[type="number"] {
    width: 60px;
  }
  .export-actions {
    flex-direction: column;
  }
  .btn-primary, .btn-secondary {
    width: 100%;
    text-align: center;
  }
}