/* shared-main.css - 页面通用样式 */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f6f8fa;
  --bg-tertiary: #f0f2f5;
  --text-primary: #24292e;
  --text-secondary: #586069;
  --border-color: #e1e4e8;
  --accent-color: #0366d6;
  --accent-hover: #005cc5;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.12), 0 1px 2px rgba(0,0,0,0.24);
  --dropdown-shadow: 0 8px 24px rgba(0,0,0,0.15);
  --transition: all 0.3s ease;
}

.dark-mode {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --text-primary: #f0f6fc;
  --text-secondary: #8b949e;
  --border-color: #30363d;
  --accent-color: #58a6ff;
  --accent-hover: #388bfd;
  --card-shadow: 0 1px 3px rgba(0,0,0,0.5), 0 1px 2px rgba(0,0,0,0.4);
  --dropdown-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg-secondary);
  color: var(--text-primary);
  transition: var(--transition);
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.main-content {
  max-width: 800px;
  margin: 40px auto;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 24px;
  box-shadow: var(--card-shadow);
}

h1 {
  font-size: 1.6rem;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

label {
  display: block;
  font-size: 0.95rem;
  margin-bottom: 6px;
  color: var(--text-secondary);
}

textarea {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  resize: vertical;
  margin-bottom: 16px;
}

.select-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.select-group > div {
  flex: 1;
  min-width: 160px;
}

select {
  width: 100%;
  padding: 8px;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-primary);
  margin-bottom: 16px;
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
}

button {
  padding: 8px 16px;
  font-size: 0.95rem;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: var(--accent-color);
  color: white;
  transition: var(--transition);
}

button:hover {
  background: var(--accent-hover);
}

.copy-tip {
  font-size: 0.85rem;
  color: var(--text-secondary);
  text-align: right;
}