options.css

/* =============================================
   Smart TOC & Scroll — Options 设置页面样式 v2.3
   设计规范：UI_DESIGN_SPEC.md §9、§10、§12.3
   ============================================= */

/* === CSS 变量（亮色模式） === */
:root {
  color-scheme: light dark;
  --bg:       #f5f6f8;
  --card:     #ffffff;
  --text:     #1f2328;
  --muted:    #6b7280;
  --accent:   #1f6feb;
  --border:   #e5e7eb;
  --input-bg: #ffffff;
  --icon-bg-1: rgba(9, 105, 218, 0.10);    /* 交互方式卡片图标背景 */
  --icon-bg-2: rgba(227, 119, 12, 0.10);   /* 显示条件卡片图标背景 */
  --icon-bg-3: rgba(100, 110, 120, 0.10);  /* 位置禁用卡片图标背景 */
  --icon-color-1: #0969da;
  --icon-color-2: #e3770c;
  --icon-color-3: #6b7280;
}

/* === 暗色模式变量覆盖 === */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg:       #0d1117;
    --card:     #161b22;
    --text:     #e6edf3;
    --muted:    #7d8590;
    --accent:   #58a6ff;
    --border:   #30363d;
    --input-bg: #0d1117;
  }
}

/* === 全局重置 === */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    -apple-system,
    'PingFang SC',
    'Microsoft YaHei',
    'Segoe UI',
    'Roboto',
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-size: 14px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* === 页面布局 === */
/* 最大宽度从 720px 缩小至 640px，内容更聚焦 */
.page {
  max-width: 640px;
  margin: 40px auto 80px;
  padding: 0 24px;
}

/* === 页面头部 === */
.page-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding-bottom: 28px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

/* 扩展图标区块 */
.page-header-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, #0969da 0%, #218bff 100%);
  box-shadow: 0 2px 8px rgba(9, 105, 218, 0.30);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--text);
  line-height: 1.2;
}

.page-subtitle {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
  line-height: 1.5;
}

/* === 卡片 === */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
  overflow: hidden;  /* 确保圆角裁剪子元素 */
}

/* 卡片头部 */
.card-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}

.card-header h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  color: var(--text);
}

/* 卡片图标 */
.card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* 各卡片图标颜色 */
.card-icon--interaction {
  background: var(--icon-bg-1);
  color: var(--icon-color-1);
}

.card-icon--display {
  background: var(--icon-bg-2);
  color: var(--icon-color-2);
}

.card-icon--settings {
  background: var(--icon-bg-3);
  color: var(--icon-color-3);
}

/* 卡片内容区 */
.card-body {
  padding: 16px 20px;
}

/* === 表单字段 === */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
}

.field:last-child {
  margin-bottom: 0;
}

.field label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
}

/* 辅助说明文字 */
.field-hint {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.4;
}

/* === 表单控件基础样式 === */
.field input[type="text"],
.field input[type="number"],
.field select,
.field textarea {
  border: 1.5px solid var(--border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
  font-family: inherit;
  background: var(--input-bg);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  outline: none;
  width: 100%;
  appearance: none;
  -webkit-appearance: none;
}

/* Select 下拉箭头 */
.field select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
}

/* hover 状态 */
.field input[type="text"]:hover,
.field input[type="number"]:hover,
.field select:hover,
.field textarea:hover {
  border-color: #d1d5db;
}

/* focus 状态 */
.field input[type="text"]:focus,
.field input[type="number"]:focus,
.field select:focus,
.field textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.15);
}

/* disabled 状态 */
.field input:disabled,
.field select:disabled,
.field textarea:disabled {
  border-color: #f3f4f6;
  background: #f9fafb;
  color: var(--muted);
  cursor: not-allowed;
}

/* === Checkbox 字段 === */
.checkbox-field label {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  cursor: pointer;
  font-size: 14px;
  font-weight: normal;
}

/* 自定义 Checkbox 外观 */
.checkbox-field input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  min-width: 18px;
  border: 1.5px solid var(--border);
  border-radius: 5px;
  background: var(--input-bg);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease;
  position: relative;
  margin: 0;
}

.checkbox-field input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

/* 勾选符号（::after 实现） */
.checkbox-field input[type="checkbox"]:checked::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: 2px solid #ffffff;
  border-top: none;
  border-left: none;
  transform: rotate(45deg);
}

.checkbox-field input[type="checkbox"]:focus-visible {
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.20);
  outline: none;
}

/* 禁用态 Checkbox */
.checkbox-field input[type="checkbox"]:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.checkbox-field label:has(input:disabled) {
  opacity: 0.45;
  cursor: not-allowed;
}

/* === 操作区 === */
.actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 20px;
}

/* === 保存按钮（完整状态规范） === */
button#save {
  background: var(--accent);          /* #1f6feb */
  color: #ffffff;
  border: none;
  border-radius: 8px;                 /* 从 999px 改为 8px，更现代 */
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(31, 111, 235, 0.30);
  transition:
    background-color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.10s ease;
}

button#save:hover {
  background: #1b63d3;               /* 加深 5% */
  box-shadow: 0 3px 8px rgba(31, 111, 235, 0.35);
  transform: translateY(-1px);
}

button#save:active {
  background: #1859bf;               /* 加深 10% */
  box-shadow: 0 1px 2px rgba(31, 111, 235, 0.20);
  transform: translateY(0);
}

button#save:focus-visible {
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 111, 235, 0.35);
  outline: none;
  transform: none;
}

button#save:disabled {
  background: #93b4f5;
  box-shadow: none;
  cursor: not-allowed;
  transform: none;
}

/* === 状态提示（fade + slide 动效） === */
#status {
  font-size: 13px;
  color: #16a34a;               /* 成功绿色 */
  display: flex;
  align-items: center;
  gap: 4px;
  /* 初始隐藏 */
  opacity: 0;
  transform: translateX(-4px);
  transition: opacity 0.20s ease, transform 0.20s ease;
}

#status.visible {
  opacity: 1;
  transform: translateX(0);
}

/* === 暗色模式特定调整 === */
@media (prefers-color-scheme: dark) {
  /* 保存按钮改为 GitHub 暗色绿色 */
  button#save {
    background: #238636;
    box-shadow: 0 1px 3px rgba(35, 134, 54, 0.30);
  }

  button#save:hover {
    background: #2ea043;
    box-shadow: 0 3px 8px rgba(35, 134, 54, 0.35);
  }

  button#save:active {
    background: #1e7a30;
    box-shadow: 0 1px 2px rgba(35, 134, 54, 0.20);
  }

  button#save:focus-visible {
    background: #238636;
    box-shadow: 0 0 0 3px rgba(35, 134, 54, 0.40);
  }

  /* Select 下拉箭头颜色在暗色模式下调整 */
  .field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%237d8590' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  }

  /* 暗色模式 focus ring 调整 */
  .field input[type="text"]:focus,
  .field input[type="number"]:focus,
  .field select:focus,
  .field textarea:focus {
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.20);
  }

  .checkbox-field input[type="checkbox"]:focus-visible {
    box-shadow: 0 0 0 3px rgba(88, 166, 255, 0.25);
  }

  /* 图标颜色在暗色模式下 */
  .card-icon--interaction { color: #58a6ff; }
  .card-icon--display     { color: #f0883e; }
  .card-icon--settings    { color: #8b949e; }

  /* disabled 状态 */
  .field input:disabled,
  .field select:disabled,
  .field textarea:disabled {
    border-color: #21262d;
    background: #161b22;
  }
}

/* === 响应式适配 === */
@media (max-width: 640px) {
  .page {
    margin: 16px auto 40px;
    padding: 0 16px;
  }

  .card-header {
    padding: 14px 16px;
  }

  .card-body {
    padding: 14px 16px;
  }

  .page-header {
    padding-bottom: 20px;
  }
}