/* dev-converter.css — 开发工具转换器共享样式（dc- 前缀） */

.dc-tool { margin: 28px auto; }

.dc-card {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: 22px;
}

.dc-card-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-100);
}

.dc-card-head h2 { font-size: 20px; color: var(--gray-900); }
.dc-card-meta { font-size: 13px; color: var(--gray-400); }

.dc-opts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
  margin-bottom: 14px;
  padding: 10px 14px;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 10px;
}

.dc-opt { display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--gray-700); }
.dc-opt label { font-weight: 600; }
.dc-opt select, .dc-opt input[type="text"], .dc-opt input[type="number"] {
  border: 1px solid var(--gray-300);
  border-radius: 7px;
  padding: 5px 9px;
  font-size: 13px;
  outline: none;
}
.dc-opt input[type="checkbox"] { accent-color: var(--primary); }

.dc-pair { display: grid; grid-template-columns: 1fr 46px 1fr; gap: 10px; align-items: stretch; }
.dc-mid { display: flex; align-items: center; justify-content: center; }
.dc-swap {
  width: 38px; height: 38px; border-radius: 50%;
  border: 1px solid var(--gray-300); background: var(--gray-50);
  font-size: 17px; color: var(--gray-600); cursor: pointer;
}
.dc-swap:hover { border-color: var(--primary); color: var(--primary); }

.dc-ta { width: 100%; display: flex; flex-direction: column; }
.dc-ta textarea {
  width: 100%; flex: 1 1 auto; min-height: 280px;
  border: 1px solid var(--gray-300);
  border-radius: 10px;
  padding: 12px;
  font-family: Consolas, Monaco, monospace;
  font-size: 13px;
  line-height: 1.7;
  outline: none;
  resize: vertical;
}
.dc-ta textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12); }

.dc-ta-label { font-size: 13.5px; font-weight: 600; color: var(--gray-700); margin-bottom: 6px; display: flex; justify-content: space-between; align-items: center; }
.dc-copy-mini { border: 1px solid var(--gray-300); background: var(--gray-50); border-radius: 6px; padding: 2px 10px; font-size: 12px; color: var(--gray-600); cursor: pointer; }
.dc-copy-mini:hover { border-color: var(--primary); color: var(--primary); }

.dc-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.dc-actions .btn { height: 42px; }

.dc-error {
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #b91c1c;
  font-size: 13.5px;
  font-family: Consolas, Monaco, monospace;
  white-space: pre-wrap;
  word-break: break-all;
}

.dc-tip { margin-top: 14px; font-size: 13px; color: var(--gray-500); line-height: 1.8; }

.dc-step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 24px; height: 24px; margin-right: 8px;
  border-radius: 50%; background: var(--primary); color: #fff;
  font-size: 14px; font-weight: 600;
}

@media (max-width: 760px) {
  .dc-pair { grid-template-columns: 1fr; }
  .dc-mid { transform: rotate(90deg); padding: 2px 0; }
  .dc-ta textarea { min-height: 200px; }
}