/* Chengguang Battery Tools — Extra Styles */

:root {
  --cg-purple: #7c3aed;
  --cg-purple-dark: #5b21b6;
  --cg-purple-light: #a78bfa;
  --cg-bg: #faf5ff;
}

/* Tool card wrappers */
.tool-card {
  background: #fff;
  border: 1px solid #e9d5ff;
  border-radius: 12px;
  padding: 1.5rem 2rem;
  margin: 1.5rem 0;
  box-shadow: 0 1px 3px rgba(124,58,237,0.08);
}

.tool-card h3 {
  color: var(--cg-purple-dark);
  margin-top: 0;
}

/* Form controls */
.cg-select, .cg-input {
  width: 100%;
  max-width: 420px;
  padding: 10px 14px;
  border: 2px solid #d8b4fe;
  border-radius: 8px;
  font-size: 1rem;
  background: #fff;
  transition: border-color 0.2s;
}

.cg-select:focus, .cg-input:focus {
  outline: none;
  border-color: var(--cg-purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}

.cg-select:disabled, .cg-input:disabled {
  background: #f5f3ff;
  opacity: 0.6;
  cursor: not-allowed;
}

.cg-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.3rem;
  color: #4c1d95;
  font-size: 0.9rem;
}

.cg-form-group {
  margin-bottom: 1.2rem;
}

/* Buttons */
.cg-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 10px 24px;
  background: linear-gradient(135deg, var(--cg-purple), var(--cg-purple-dark));
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}

.cg-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(124,58,237,0.35);
}

.cg-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.cg-btn-outline {
  background: transparent;
  border: 2px solid var(--cg-purple);
  color: var(--cg-purple);
}

.cg-btn-outline:hover {
  background: var(--cg-purple);
  color: #fff;
}

/* Result boxes */
.cg-result {
  margin-top: 1.5rem;
  padding: 1.2rem 1.5rem;
  background: linear-gradient(135deg, #faf5ff, #f3e8ff);
  border-left: 4px solid var(--cg-purple);
  border-radius: 0 10px 10px 0;
}

.cg-result h4 {
  margin: 0 0 0.5rem 0;
  color: var(--cg-purple-dark);
}

.cg-result .spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.3rem 0;
  max-width: 400px;
  border-bottom: 1px dotted #e9d5ff;
}

.cg-result .spec-label {
  color: #6b7280;
}

.cg-result .spec-value {
  font-weight: 700;
  color: #4c1d95;
}

/* Warning / info boxes */
.cg-warning {
  background: #fffbeb;
  border-left: 4px solid #f59e0b;
  padding: 0.8rem 1.2rem;
  border-radius: 0 8px 8px 0;
  margin: 1rem 0;
  font-size: 0.9rem;
}

/* Slider */
.cg-slider {
  width: 100%;
  max-width: 420px;
  -webkit-appearance: none;
  appearance: none;
  height: 8px;
  background: #e9d5ff;
  border-radius: 4px;
  outline: none;
}

.cg-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--cg-purple);
  cursor: pointer;
  border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

/* Ecosystem footer */
.ecosystem-footer {
  margin-top: 3rem;
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, #faf5ff, #ede9fe);
  border-top: 2px solid #d8b4fe;
  border-radius: 12px;
  text-align: center;
}

.ecosystem-footer h4 {
  color: var(--cg-purple-dark);
  margin: 0 0 0.8rem 0;
}

.ecosystem-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 0.8rem;
}

.eco-link {
  display: inline-block;
  padding: 6px 16px;
  background: #fff;
  border: 1px solid #d8b4fe;
  border-radius: 20px;
  color: var(--cg-purple-dark);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.2s;
}

.eco-link:hover {
  background: var(--cg-purple);
  color: #fff;
  border-color: var(--cg-purple);
}

.eco-link.active {
  background: var(--cg-purple);
  color: #fff;
  border-color: var(--cg-purple);
}

/* Terminal guide image placeholders */
.terminal-img {
  display: inline-block;
  border: 2px solid #e9d5ff;
  border-radius: 10px;
  padding: 8px;
  background: #fff;
  max-width: 220px;
  text-align: center;
}

.terminal-img svg {
  display: block;
  margin: 0 auto;
}

/* Decision tree */
.decision-tree {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.decision-node {
  background: #fff;
  border: 1px solid #e9d5ff;
  border-radius: 10px;
  padding: 1.2rem;
}

.decision-node.active {
  border-color: var(--cg-purple);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

/* Responsive */
@media (max-width: 768px) {
  .tool-card {
    padding: 1rem;
  }
  .ecosystem-links {
    flex-direction: column;
    align-items: center;
  }
}