/* ============================================================
   09-settings.css · 应用设置（齿轮按钮 / 设置弹层 / 深色主题）
   ============================================================ */

/* ── 1. 顶栏齿轮按钮 ─────────────────────────────────────── */
.zm-settings-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  color: var(--color-muted);
  transition: color var(--duration-fast), border-color var(--duration-fast), transform var(--duration-fast);
}

.zm-settings-btn:hover {
  color: var(--color-brand);
  border-color: var(--color-brand);
  transform: rotate(20deg);
}

/* ── 2. 设置页面（工作区内独立页 · 宽度 100% · 双列卡片瀑布） ── */
.app-settings-page {
  width: 100%;
}

.app-settings-head {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.app-settings-back {
  flex-shrink: 0;
}

.app-settings-head-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.app-settings-head-text strong {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.app-settings-head-sub {
  font-size: 13px;
  color: var(--color-muted);
}

/* 双列瀑布：卡片高度不一时左右自然填充，避免等高行留白 */
.app-settings-grid {
  column-count: 2;
  column-gap: var(--space-5);
}

.settings-card {
  break-inside: avoid;
  margin: 0 0 var(--space-5);
  padding: var(--space-5) var(--space-5) calc(var(--space-5) - var(--space-1));
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.settings-card-head {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.settings-card-icon {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  border: 1px solid var(--color-brand-softer);
}

.settings-card-icon svg { display: block; }

.settings-card-titles {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.settings-card-titles strong {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.settings-card-titles > span {
  font-size: 12px;
  color: var(--color-faint);
}

/* accent 配色：各分区图标块用不同色调，浅/深主题都走 token */
.settings-card[data-accent="performance"] .settings-card-icon {
  background: var(--color-cyan-soft);
  color: var(--color-cyan-dark);
  border-color: var(--color-cyan-soft);
}
.settings-card[data-accent="privacy"] .settings-card-icon {
  background: var(--color-success-soft);
  color: var(--color-success);
  border-color: var(--color-success-soft);
}
.settings-card[data-accent="mobile"] .settings-card-icon {
  background: var(--color-warning-soft);
  color: var(--color-warning);
  border-color: var(--color-warning-soft);
}

.settings-card-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.settings-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.settings-item + .settings-item {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-line);
}

.settings-item-label {
  display: flex;
  align-items: center;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

/* 双列在窄窗口降级为单列 */
@media (max-width: 960px) {
  .app-settings-grid { column-count: 1; }
}

.zm-seg {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.zm-seg-btn {
  flex: 1 1 auto;
  min-width: 72px;
  padding: 8px 14px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-text);
  font-size: 14px;
  transition: all var(--duration-fast);
}

.zm-seg-btn:hover {
  border-color: var(--color-brand);
  color: var(--color-brand);
}

.zm-seg-btn.active {
  background: var(--gradient-brand);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.zm-settings-hint {
  margin-top: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--color-faint);
}

.zm-settings-hint-strong {
  color: var(--color-brand);
  font-weight: 600;
}

.zm-settings-input {
  display: block;
  width: 100%;
  box-sizing: border-box;
  padding: 9px 12px;
  margin-bottom: 0;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface-soft);
  color: var(--color-text);
  font-size: 14px;
  transition: border-color var(--duration-fast);
}

.zm-settings-input::placeholder {
  color: var(--color-faint);
}

.zm-settings-input:focus {
  outline: none;
  border-color: var(--color-brand);
}

/* ── 3. 深色主题（token 覆盖 · 适老高对比版） ─────────────── */
/* 设计目标：年龄大的用户也能看清。
   1. 正文/次要文字整体提亮（muted ≥ #c3cad9，对比度 ≥ 7:1）
   2. 边框明显可见（line ≥ #3b4257），分清卡片与背景
   3. 品牌紫/青色在深底上用浅色变体做文字色，避免深紫贴深底 */
html[data-theme="dark"] {
  --color-sidebar: #1a1f2c;
  --color-sidebar-soft: #232938;
  --color-sidebar-hover: #2e3548;
  --color-sidebar-line: #3a4156;
  --color-sidebar-text: #f2f5fa;
  --color-sidebar-muted: #b6bed0;

  --color-workspace: #11141d;
  --color-surface: #1d222f;
  --color-surface-soft: #262c3c;
  --color-surface-raised: #2a3142;
  --color-surface-sunken: #161a24;

  --color-text: #f5f7fb;
  --color-muted: #c3cad9;
  --color-faint: #97a0b5;
  --color-line: #3b4257;
  --color-line-strong: #545e7a;

  --color-brand: #8b5cf6;
  --color-brand-dark: #b39df8;
  --color-brand-darker: #c8b8fb;
  --color-brand-soft: #2e2552;
  --color-brand-softer: #382c64;

  --color-cyan: #38bdf8;
  --color-cyan-dark: #7dd3fc;
  --color-cyan-soft: #133a52;

  --color-danger-soft: #3d2226;
  --color-success-soft: #143228;
  --color-warning-soft: #382c12;
  --color-info-soft: #182a47;

  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
  --shadow-focus: 0 0 0 3px rgba(167, 139, 250, 0.4);
  --gradient-brand: linear-gradient(135deg, #8b5cf6 0%, #6366f1 50%, #0ea5e9 100%);
  --gradient-sidebar: linear-gradient(180deg, #1b2030 0%, #161a26 100%);
  --gradient-workspace: radial-gradient(ellipse 80% 60% at 10% 0%, rgba(139, 92, 246, 0.14) 0%, transparent 55%),
    radial-gradient(ellipse 60% 50% at 90% 10%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    var(--color-workspace);
}

/* 深色下少量硬编码浅色组件的定向覆盖（08-theme.css 之后加载） */
html[data-theme="dark"] .window-chrome {
  background: #11141d;
}

html[data-theme="dark"] .workflow-bar {
  background: rgba(22, 26, 38, 0.82);
}

html[data-theme="dark"] .topbar {
  background: rgba(26, 31, 44, 0.92);
  border-bottom-color: var(--color-line);
}

html[data-theme="dark"] .add-task-hero {
  border-color: rgba(56, 189, 248, 0.28);
  background:
    linear-gradient(135deg, rgba(19, 58, 82, 0.86) 0%, rgba(20, 50, 40, 0.72) 100%),
    var(--color-surface);
}

html[data-theme="dark"] .add-task-hero.is-blocked {
  border-color: rgba(245, 158, 11, 0.32);
  background:
    linear-gradient(135deg, rgba(56, 44, 18, 0.9) 0%, rgba(24, 42, 71, 0.74) 100%),
    var(--color-surface);
}

html[data-theme="dark"] .add-task-flow span {
  background: rgba(29, 34, 47, 0.82);
  border-color: var(--color-line-strong);
}

html[data-theme="dark"] .add-task-submit-bar {
  border-color: rgba(16, 185, 129, 0.34);
  background:
    linear-gradient(135deg, rgba(20, 50, 40, 0.86) 0%, rgba(29, 34, 47, 0.96) 100%),
    var(--color-surface);
}

/* 默认 toast 用 --color-text 当底色，深色下文字色变浅会导致白字贴白底，改为深底白字 */
html[data-theme="dark"] .toast {
  background: #2e3548;
  color: #f5f7fb;
  border: 1px solid var(--color-line-strong);
}

/* 深色下普通按钮边框更亮一档，按钮轮廓一眼可辨 */
html[data-theme="dark"] .btn:not(.primary):not(.danger),
html[data-theme="dark"] .mini-btn,
html[data-theme="dark"] .icon-btn {
  border-color: var(--color-line-strong);
}

/* 输入控件：深色下加深底色并提亮边框，焦点状态更明显 */
html[data-theme="dark"] input,
html[data-theme="dark"] select,
html[data-theme="dark"] textarea {
  border-color: var(--color-line-strong);
}

/* 工作流步骤条 / 侧栏导航 文字提亮 */
html[data-theme="dark"] .workflow-step {
  color: var(--color-text);
}

html[data-theme="dark"] .workflow-step.done {
  color: var(--color-cyan);
}

html[data-theme="dark"] .workflow-step.active,
html[data-theme="dark"] .workflow-step.done.active {
  color: #fff;
}

html[data-theme="dark"] .step-nav button {
  color: var(--color-muted);
}

html[data-theme="dark"] .step-nav button.active,
html[data-theme="dark"] .step-nav button:hover {
  color: var(--color-text);
}

html[data-theme="dark"] ::selection {
  background: rgba(124, 58, 237, 0.45);
  color: #fff;
}

html[data-theme="dark"] ::-webkit-scrollbar-thumb {
  background: rgba(148, 156, 178, 0.3);
  background-clip: padding-box;
  border: 3px solid transparent;
}

html[data-theme="dark"] img,
html[data-theme="dark"] video {
  filter: brightness(0.96);
}

/* 缤纷云「非常便宜」醒目标签 */
.zm-cheap-badge {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.6;
  color: #fff;
  background: linear-gradient(90deg, #ff4d4f, #ff8a00);
  border-radius: 999px;
  vertical-align: middle;
  letter-spacing: 0.3px;
  box-shadow: 0 1px 4px rgba(255, 90, 50, 0.45);
}

/* 设置项「配置说明」问号按钮 */
.zm-help-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-left: 6px;
  padding: 0;
  font-size: 12px;
  font-weight: 700;
  line-height: 1;
  color: var(--color-muted);
  background: var(--color-surface-sunken);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  cursor: pointer;
  vertical-align: middle;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.zm-help-btn:hover {
  color: #fff;
  background: var(--color-brand);
  border-color: var(--color-brand);
}

/* 手机传素材配置说明弹窗 */
.mobile-help-dialog { max-width: 540px; }
.mobile-help-body {
  text-align: left;
  max-height: 62vh;
  overflow-y: auto;
  line-height: 1.7;
}
.mobile-help-body h4 {
  margin: 14px 0 6px;
  font-size: 14px;
  font-weight: 700;
}
.mobile-help-body p { margin: 8px 0; font-size: 13px; }
.mobile-help-body ol,
.mobile-help-body ul { margin: 0; padding-left: 20px; }
.mobile-help-body li { margin: 4px 0; font-size: 13px; }
.mobile-help-tip { color: var(--color-muted); }

/* ── 数据维护：清除缓存 ─────────────────────────────────────── */
.settings-card[data-accent="maintenance"] .settings-card-icon {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: var(--color-danger-soft);
}

.maint-intro {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--color-faint);
}

.maint-options {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.maint-option {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  transition: border-color var(--duration-fast), box-shadow var(--duration-fast);
}
.maint-option:hover {
  border-color: var(--color-line-strong);
  box-shadow: var(--shadow-xs);
}

.maint-option-icon {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  background: var(--color-brand-soft);
  color: var(--color-brand);
  border: 1px solid var(--color-brand-softer);
}
.maint-option-danger .maint-option-icon {
  background: var(--color-danger-soft);
  color: var(--color-danger);
  border-color: var(--color-danger-soft);
}
.maint-option-icon svg { display: block; }

.maint-option-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
  flex: 1;
}
.maint-option-text strong { font-size: 13.5px; font-weight: 700; }
.maint-option-text span {
  font-size: 12px;
  line-height: 1.55;
  color: var(--color-faint);
}

.maint-btn {
  flex-shrink: 0;
  min-width: 60px;
  padding: 7px 16px;
  font-size: 13px;
  font-weight: 600;
  color: var(--color-brand);
  background: var(--color-brand-soft);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background var(--duration-fast), color var(--duration-fast), box-shadow var(--duration-fast);
}
.maint-btn:hover {
  color: #fff;
  background: var(--gradient-brand);
  box-shadow: var(--shadow-sm);
}
.maint-btn-danger {
  color: var(--color-danger);
  background: var(--color-danger-soft);
}
.maint-btn-danger:hover {
  color: #fff;
  background: var(--color-danger);
  box-shadow: none;
}
.maint-btn:disabled {
  opacity: 0.55;
  cursor: default;
  box-shadow: none;
  filter: grayscale(0.2);
}