/* styles.css - 简洁现代的 UI 样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #3370ff;
  --primary-hover: #2860e8;
  --primary-light: #e8f0ff;
  --bg: #f5f6f7;
  --card: #ffffff;
  --text: #1f2329;
  --text-secondary: #646a73;
  --border: #dee0e3;
  --error: #f54a45;
  --error-bg: #fef2f2;
  --warning: #ff8800;
  --success: #00b96b;
  --shadow: 0 2px 8px rgba(31, 35, 41, 0.08);
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 24px 16px;
}

.app {
  max-width: 960px;
  margin: 0 auto;
}

header {
  text-align: center;
  margin-bottom: 24px;
  padding: 24px 16px;
}

h1 {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 8px;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.step {
  background: var(--card);
  border-radius: 12px;
  padding: 24px;
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  transition: opacity 0.2s;
}

.step.hidden { display: none; }

.step h2 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text);
}

.hint {
  color: var(--text-secondary);
  font-size: 13px;
  margin-bottom: 16px;
  line-height: 1.7;
}

.hint code {
  background: var(--bg);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12px;
  color: var(--primary);
}

.form-row {
  margin-bottom: 14px;
}

.form-row label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text);
}

input[type="text"],
input[type="password"],
input[type="url"],
select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  background: white;
  color: var(--text);
  transition: border-color 0.15s;
}

input:focus,
select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

select {
  cursor: pointer;
}

button {
  padding: 10px 20px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: inherit;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.primary {
  background: var(--primary);
  color: white;
}

.primary:hover:not(:disabled) {
  background: var(--primary-hover);
}

.secondary {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
}

.secondary:hover:not(:disabled) {
  background: var(--bg);
}

.big {
  padding: 12px 28px;
  font-size: 15px;
}

.btn-row {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.error,
.info {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: 13px;
  display: none;
  line-height: 1.6;
  word-break: break-word;
}

.error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid #fecaca;
}

.info {
  background: var(--primary-light);
  color: var(--text);
  border: 1px solid #c7d8ff;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
  padding: 12px;
  background: var(--bg);
  border-radius: 6px;
}

.stat {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 4px 10px;
  background: white;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.stat b {
  color: var(--primary);
  font-weight: 600;
}

.preview-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 6px;
  margin-bottom: 16px;
  max-height: 400px;
  overflow-y: auto;
}

.preview-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.preview-table th,
.preview-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.preview-table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.preview-table .filename {
  font-family: 'SF Mono', Consolas, Monaco, monospace;
  color: var(--primary);
  word-break: break-all;
}

.preview-table .more {
  text-align: center;
  color: var(--text-secondary);
  font-style: italic;
}

.preview-hint {
  text-align: center;
  margin: 8px 0 16px;
}

.actions {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
}

.progress-wrap {
  margin: 16px 0;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: var(--bg);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--border);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), #5a8cff);
  width: 0%;
  transition: width 0.2s ease;
}

.progress-text {
  margin-top: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
  font-family: 'SF Mono', Consolas, monospace;
}

.error-log {
  margin-top: 16px;
  padding: 12px;
  background: var(--error-bg);
  border: 1px solid #fecaca;
  border-radius: 6px;
}

.error-log summary {
  cursor: pointer;
  font-size: 13px;
  color: var(--error);
  font-weight: 500;
  user-select: none;
}

.error-log ul {
  list-style: none;
  margin-top: 10px;
  max-height: 200px;
  overflow-y: auto;
}

.error-log li {
  font-size: 12px;
  padding: 4px 0;
  color: var(--text);
  font-family: 'SF Mono', Consolas, monospace;
  border-bottom: 1px dashed #fecaca;
}

.error-log li:last-child { border-bottom: none; }

footer {
  text-align: center;
  margin-top: 32px;
  color: var(--text-secondary);
  font-size: 12px;
}

.version {
  margin-top: 4px;
  opacity: 0.7;
}

@media (max-width: 640px) {
  body { padding: 12px 8px; }
  .step { padding: 16px; }
  h1 { font-size: 22px; }
  .stats { font-size: 12px; }
}