@layer legacy {
/*
 * iLink visual system v1
 * Loaded last on every top-level page. It intentionally bridges legacy page
 * styles while the duplicated historical CSS files are retired incrementally.
 */

:root {
  /* === 冷白工作台 · 见 DESIGN.md ===
     令牌已迁往 v2/tokens.css（@layer tokens，压过本层）。
     这里保留旧值只作兜底，新代码不要再引用本块。 */
  --ui-canvas: #f6f8fa;
  --ui-surface: #ffffff;
  --ui-surface-subtle: #f4f7fa;
  --ui-surface-selected: #edf1f6;
  --ui-rail: #edf1f6;
  --ui-border: #e6edf3;
  --ui-border-strong: #cfdae5;
  --ui-text: #16232e;
  --ui-text-secondary: #46586a;
  --ui-text-muted: #5e7080;
  --ui-success: #1b7a57;
  --ui-success-soft: #dbeddb;
  --ui-info: #17403f;
  --ui-info-soft: #d9eaea;
  --ui-warning: #8c5f09;
  --ui-warning-soft: #fbf0d7;
  --ui-danger: #b8403a;
  --ui-danger-soft: #fbe7e5;

  /* 动作色：石墨。浅色承载主操作，实心留给决定性提交 */
  --ui-action-soft: #e9edf0;
  --ui-action-ink: #26313a;
  --ui-action-line: #c6d0d8;
  --ui-action-hover: #dce3e8;
  --ui-action-solid: #2f3a42;
  --ui-action-solid-hover: #232b31;

  --ui-radius-control: 10px;
  --ui-radius-surface: 14px;
  --ui-radius-panel: 16px;
  --ui-ring: 0 0 0 2px var(--ui-surface), 0 0 0 4px rgba(47, 58, 66, 0.28);
  /* 高度只用一种表达：阴影。不再叠 1px 描边 */
  --ui-shadow-surface: 0 1px 2px rgba(22, 35, 46, 0.04), 0 10px 28px rgba(22, 35, 46, 0.05);
  --ui-shadow-lift: 0 2px 6px rgba(22, 35, 46, 0.05), 0 16px 36px rgba(22, 35, 46, 0.08);
  --ui-shadow-float: var(--shadow-float);

  /* design-tokens.css 里的主按钮变量仍被多处引用，
     统一改指浅云蓝品牌色（与 .ui-btn--brand 同一组令牌） */
  --btn-primary-bg: var(--ui-brand-bg-bottom);
  --btn-primary-bg-hover: #b5dcff;
  --btn-primary-text: var(--ui-brand-text);
  --btn-danger-bg: var(--ui-danger-soft);
  --btn-danger-text: var(--ui-danger);
  --ui-font: Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;

  --primary: var(--ui-text);
  --primary-dark: #1a1a1c;
  --primary-light: var(--ui-surface-selected);
  --accent: var(--ui-text-muted);
  --success: var(--ui-success);
  --warning: var(--ui-danger);
  --error: var(--ui-danger);
  --danger: var(--ui-danger);
  --bg-body: var(--ui-canvas);
  --bg-light: var(--ui-canvas);
  --bg-white: var(--ui-surface);
  --bg-surface: var(--ui-surface);
  --bg-surface-hover: var(--ui-surface-subtle);
  --bg-muted: var(--ui-surface-subtle);
  --text-primary: var(--ui-text);
  --text-secondary: var(--ui-text-secondary);
  --text-tertiary: var(--ui-text-muted);
  --border-light: var(--ui-border);
  --border-default: var(--ui-border-strong);
  --border-dark: #a1a1a6;
  --color-black: var(--ui-text);
  --color-dark: var(--ui-text);
  --color-gray-700: var(--ui-text-secondary);
  --color-gray-600: #6e6e73;
  --color-gray-500: var(--ui-text-muted);
  --color-gray-400: #6e6e73;
  --color-gray-300: var(--ui-border-strong);
  --color-gray-200: var(--ui-border);
  --color-gray-100: var(--ui-surface-subtle);
  --color-gray-50: var(--ui-canvas);
  --color-white: var(--ui-surface);
  --font-display: var(--ui-font);
  --font-family: var(--ui-font);
  --font-sans: var(--ui-font);
  --font-serif: var(--ui-font);
  --home-accent: var(--ui-text-secondary);
  --home-accent-dark: var(--ui-text);
  --home-bg-warm: var(--ui-canvas);
  --home-text-secondary: var(--ui-text-secondary);
  --home-text-muted: var(--ui-text-muted);
  --home-border: rgba(15, 23, 42, 0.08);
  --home-border-strong: rgba(15, 23, 42, 0.14);
  --home-radius: var(--ui-radius-panel);
  --home-radius-sm: var(--ui-radius-control);
  --home-radius-pill: 100px;
  --bg-grid: none;
  --bg-mesh: none;
}

html.ilink-app,
html.ilink-app body {
  min-height: 100%;
}

html.ilink-app body,
html.ilink-app body.ilink-page-bg,
html.ilink-app body[data-app-page],
html.ilink-app body[data-profile-page] {
  background: var(--ui-canvas) !important;
  background-image: none !important;
  color: var(--ui-text);
  font-family: var(--ui-font) !important;
  font-size: 14px;
  line-height: 1.6;
}

html.ilink-app body::before,
html.ilink-app body::after,
html.ilink-app .particle-canvas,
html.ilink-app #particleCanvas,
html.ilink-app .floating-shapes {
  display: none !important;
}

/* 工作区铺一层极淡的冷光，让白卡"浮"起来；首页保留自己的世界，不在此列 */
html.ilink-app body:not([data-app-page="home"]) {
  background-image:
    radial-gradient(1200px 760px at 6% -12%, rgba(203, 228, 250, 0.5) 0%, rgba(203, 228, 250, 0) 62%) !important;
  background-repeat: no-repeat !important;
  background-attachment: fixed !important;
}

html.ilink-app *,
html.ilink-app *::before,
html.ilink-app *::after {
  box-sizing: border-box;
}

html.ilink-app :focus-visible {
  outline: 2px solid var(--ui-action-solid);
  outline-offset: 2px;
}

/* 浏览器自己的表面：选中色与滚动条 */
html.ilink-app ::selection {
  color: var(--ui-text);
  background: #dce3e8;
}

html.ilink-app * {
  scrollbar-width: thin;
  scrollbar-color: var(--ui-border-strong) transparent;
}

html.ilink-app ::-webkit-scrollbar { width: 10px; height: 10px; }
html.ilink-app ::-webkit-scrollbar-thumb {
  background: var(--ui-border-strong);
  background-clip: padding-box;
  border: 3px solid transparent;
  border-radius: 999px;
}
html.ilink-app ::-webkit-scrollbar-thumb:hover {
  background: var(--ui-text-muted);
  background-clip: padding-box;
  border: 3px solid transparent;
}
html.ilink-app ::-webkit-scrollbar-track { background: transparent; }

html.ilink-app a {
  color: inherit;
  text-underline-offset: 3px;
}

html.ilink-app ::selection {
  background: var(--ui-surface-selected);
  color: var(--ui-text);
}


/* Shared public portal shell. */
html.ilink-app body[data-app-page]:not([data-app-page="team-space"]) .main-content,
html.ilink-app body[data-app-page] .il-page-wrapper,
html.ilink-app body[data-profile-page] .il-page-wrapper {
  width: min(100% - 48px, 1200px);
  margin-right: auto;
  margin-left: auto;
}

html.ilink-app body[data-app-page]:not([data-app-page="team-space"]) .main-content {
  padding-top: 32px;
  padding-bottom: 56px;
}

html.ilink-app body[data-app-page="team-market"] .hero-section,
html.ilink-app body[data-app-page="teacher-wall"] .hero-section,
html.ilink-app body[data-app-page] .il-hero {
  width: min(100% - 48px, 1200px) !important;
  min-height: 0 !important;
  margin: 0 auto !important;
  padding: 40px 0 24px !important;
  background: transparent !important;
  border: 0 !important;
  box-shadow: none !important;
}

html.ilink-app body[data-app-page] .il-hero__eyebrow,
html.ilink-app body[data-app-page] .il-hero__badge,
html.ilink-app body[data-app-page] .hero-eyebrow,
html.ilink-app body[data-app-page] .il-hero__eyebrow * {
  color: var(--ui-text-muted) !important;
  font-family: var(--ui-font) !important;
  font-size: 12px !important;
  font-weight: 600 !important;
  letter-spacing: 0.02em;
}

/* hero 的标题/描述/标签样式已归拢到 demo-refresh.css，原全局兜底删除，避免与页面规则互相压制 */


/* Unified controls, including the legacy search field that previously had two padding systems. */
html.ilink-app .il-btn,
html.ilink-app .btn,
html.ilink-app .il-search-bar__btn,
html.ilink-app .competition-card__link,
html.ilink-app .mentor-btn {
  display: inline-flex;
  min-height: var(--btn-height-current, var(--btn-height, 36px));
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 14px;
  border: 1px solid var(--ui-border);
  border-radius: var(--ui-radius-control) !important;
  box-shadow: none !important;
  font-family: var(--ui-font) !important;
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none !important;
  transition: background-color 140ms ease, border-color 140ms ease, color 140ms ease, transform 140ms ease;
}

/* 按钮尺寸档位：上面的统一规则特异度更高，会盖掉 .il-btn-sm 等，
   所以尺寸与字号必须在这里显式重申一次。 */
html.ilink-app .il-btn-xs {
  --btn-height-current: var(--btn-height-xs, 28px);
  padding: 0 12px;
  font-size: 12px !important;
}
html.ilink-app .il-btn-sm,
html.ilink-app .il-btn--sm,
html.ilink-app .btn-sm {
  --btn-height-current: var(--btn-height-sm, 32px);
  padding: 0 14px;
  font-size: 13px !important;
}
html.ilink-app .il-btn-lg,
html.ilink-app .il-btn--lg,
html.ilink-app .btn-lg {
  --btn-height-current: var(--btn-height-lg, 44px);
  padding: 0 24px;
  font-size: 15px !important;
}

html.ilink-app .il-btn:hover,
html.ilink-app .btn:hover,
html.ilink-app .il-search-bar__btn:hover,
html.ilink-app .competition-card__link:hover,
html.ilink-app .mentor-btn:hover {
  transform: none;
}

/* 按钮语义色：主 = 浅云蓝；次 = 浅灰实心；三级 = 白底细描边。
   主按钮只给每个视图真正的主操作，列表行内动作用三级/文字按钮。
   浅云蓝与团队大厅的 .ui-btn--brand 是同一套：上浅下深的渐变 + 深蓝字，
   白色内高光负责"厚度"，外发光只在悬浮时增强。 */
html.ilink-app .il-btn-primary,
html.ilink-app .btn-primary,
html.ilink-app .il-search-bar__btn--primary,
html.ilink-app .il-search-bar__btn--create {
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, var(--ui-brand-bg-top), var(--ui-brand-bg-bottom)) !important;
  border-color: rgba(12, 74, 110, 0.10) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -2px 5px rgba(10, 61, 92, 0.14),
    0 0 0 1px rgba(255, 255, 255, 0.5),
    0 6px 14px -8px var(--ui-brand-glow) !important;
}

html.ilink-app .il-btn-primary:hover,
html.ilink-app .btn-primary:hover,
html.ilink-app .il-search-bar__btn--primary:hover,
html.ilink-app .il-search-bar__btn--create:hover {
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, #f2f9ff, #b5dcff) !important;
  border-color: rgba(12, 74, 110, 0.16) !important;
  box-shadow:
    inset 0 1px 0 #fff,
    inset 0 -2px 5px rgba(10, 61, 92, 0.16),
    0 0 0 1px rgba(255, 255, 255, 0.7),
    0 12px 22px -10px var(--ui-brand-glow) !important;
}

/* 决定性提交（登录 / 发布 / 保存）同样走浅云蓝，不再用大块深色 */
html.ilink-app .btn-primary--solid,
html.ilink-app .il-btn-primary--solid {
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, var(--ui-brand-bg-top), var(--ui-brand-bg-bottom)) !important;
  border-color: rgba(12, 74, 110, 0.10) !important;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -2px 5px rgba(10, 61, 92, 0.14),
    0 6px 14px -8px var(--ui-brand-glow) !important;
}

html.ilink-app .btn-primary--solid:hover,
html.ilink-app .il-btn-primary--solid:hover {
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, #f2f9ff, #b5dcff) !important;
  border-color: rgba(12, 74, 110, 0.16) !important;
}

html.ilink-app .il-btn-secondary {
  color: var(--btn-secondary-text) !important;
  background: var(--btn-secondary-bg) !important;
  border-color: transparent !important;
}

html.ilink-app .il-btn-secondary:hover {
  color: var(--btn-secondary-text) !important;
  background: var(--btn-secondary-bg-hover) !important;
  border-color: transparent !important;
}

html.ilink-app .btn-outline-secondary,
html.ilink-app .il-search-bar__btn--secondary,
html.ilink-app .il-search-bar__btn--ghost,
html.ilink-app .il-btn-xs-ghost {
  color: var(--btn-tertiary-text) !important;
  background: var(--btn-tertiary-bg) !important;
  border-color: var(--btn-tertiary-border) !important;
}

html.ilink-app .btn-outline-secondary:hover,
html.ilink-app .il-search-bar__btn--secondary:hover,
html.ilink-app .il-search-bar__btn--ghost:hover,
html.ilink-app .il-btn-xs-ghost:hover {
  color: var(--btn-tertiary-text) !important;
  background: var(--ui-surface-subtle) !important;
  border-color: var(--ui-border-strong) !important;
}

/* 搜索栏里的发布/创建动作：保留文字胶囊，不要变成图标圆钮 */
html.ilink-app body:is([data-app-page="team-market"],[data-app-page="teacher-wall"],[data-app-page="gallery"],[data-app-page="community"],[data-app-page="competitions"]) .il-search-bar .il-search-bar__btn.il-search-bar__btn--create {
  /* 浏览页的「写文章 / 发布成果」是页面唯一的主操作，给品牌浅云蓝 */
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, var(--ui-brand-bg-top), var(--ui-brand-bg-bottom)) !important;
  border: 1px solid rgba(255, 255, 255, 0.9) !important;
  border-radius: 22px !important;
  width: auto !important;
  height: 44px !important;
  padding: 0 18px !important;
  font-size: 13px !important;
  font-weight: 600 !important;
  margin-left: 8px !important;
}
html.ilink-app body:is([data-app-page="team-market"],[data-app-page="teacher-wall"],[data-app-page="gallery"],[data-app-page="community"],[data-app-page="competitions"]) .il-search-bar .il-search-bar__btn.il-search-bar__btn--create:hover {
  color: var(--ui-brand-text) !important;
  background: linear-gradient(180deg, #ffffff, var(--ui-brand-bg-bottom)) !important;
  border-color: rgba(255, 255, 255, 1) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 8px 18px -6px var(--ui-brand-glow) !important;
}

html.ilink-app .btn-danger,
html.ilink-app .il-btn-danger,
html.ilink-app .il-btn-xs-danger {
  color: var(--ui-danger) !important;
  background: var(--ui-danger-soft) !important;
  border-color: #f7cfcd !important;
}

html.ilink-app .il-search-bar {
  display: flex !important;
  width: min(100% - 48px, 1200px) !important;
  min-height: 64px !important;
  align-items: center;
  gap: 10px !important;
  margin: 0 auto 28px !important;
  padding: 10px !important;
  background: var(--ui-surface) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: var(--ui-radius-panel) !important;
  box-shadow: none !important;
}

html.ilink-app .il-search-bar__input-wrap,
html.ilink-app .il-toolbar-search,
html.ilink-app .competition-toolbar__search {
  flex: 1 1 280px;
  min-width: 220px;
}

html.ilink-app .il-search-field {
  position: relative !important;
  display: flex !important;
  width: 100% !important;
  min-height: 44px !important;
  align-items: center;
  padding: 0 !important;
  color: var(--ui-text-secondary);
  background: var(--ui-surface) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: var(--ui-radius-control) !important;
  box-shadow: none !important;
}

html.ilink-app .il-search-field:focus-within {
  border-color: var(--ui-text) !important;
  box-shadow: var(--ui-ring) !important;
}

html.ilink-app .il-search-field__icon {
  position: absolute !important;
  z-index: 1;
  left: 14px !important;
  width: 18px;
  height: 18px;
  color: var(--ui-text-muted) !important;
  pointer-events: none;
}

html.ilink-app .il-search-field__input,
html.ilink-app .il-search-field input,
html.ilink-app .il-search-bar__input {
  width: 100% !important;
  min-height: 42px;
  padding: 0 12px 0 44px !important;
  color: var(--ui-text) !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: inherit !important;
  box-shadow: none !important;
  font-family: var(--ui-font) !important;
  font-size: 14px;
  outline: 0 !important;
}

html.ilink-app .il-search-field__input::placeholder,
html.ilink-app .il-search-field input::placeholder,
html.ilink-app .il-search-bar__input::placeholder {
  color: var(--ui-text-muted) !important;
  opacity: 1;
}

html.ilink-app .il-search-field--combo .il-search-field__input {
  padding-right: 8px !important;
}

html.ilink-app .il-search-field__action {
  min-height: 34px;
  margin-right: 4px;
  padding: 0 14px;
  color: var(--ui-surface);
  background: var(--ui-text);
  border: 0;
  border-radius: 8px;
  font-family: var(--ui-font);
  font-size: 13px;
  font-weight: 600;
}

html.ilink-app .il-search-bar__select,
html.ilink-app .il-toolbar-select {
  min-width: 132px;
}

html.ilink-app .il-search-bar__select select,
html.ilink-app .il-toolbar-select,
html.ilink-app .form-select,
html.ilink-app .form-control,
html.ilink-app .il-form-input,
html.ilink-app .il-form-select,
html.ilink-app .il-select,
html.ilink-app .il-input,
html.ilink-app .il-textarea {
  min-height: var(--field-height-current, var(--field-height, 44px));
  color: var(--ui-text) !important;
  background-color: var(--field-bg, #ffffff) !important;
  border: 1px solid var(--field-border, #d2d2d7) !important;
  border-radius: var(--field-radius, 8px) !important;
  box-shadow: none !important;
  font-family: var(--ui-font) !important;
  font-size: var(--field-font-size, 14px);
}

html.ilink-app .form-control:focus,
html.ilink-app .form-select:focus,
html.ilink-app .il-form-input:focus,
html.ilink-app .il-form-select:focus,
html.ilink-app .il-input:focus,
html.ilink-app .il-textarea:focus {
  border-color: var(--field-focus-border, #1d1d1f) !important;
  box-shadow: var(--field-ring, 0 0 0 3px rgba(15, 23, 42, 0.12)) !important;
}

html.ilink-app .form-control::placeholder,
html.ilink-app .il-form-input::placeholder,
html.ilink-app .il-input::placeholder,
html.ilink-app .il-textarea::placeholder,
html.ilink-app .auth-card input::placeholder {
  color: var(--field-placeholder, #6e6e73) !important;
  opacity: 1;
}

/* 下拉选择：去掉系统原生外观（各平台原生箭头/内阴影都不一样，是页面里最"没设计过"的控件），
   统一换成自绘箭头 + 浅灰描边；hover 加深一档，focus 用中性光圈。
   覆盖所有单选下拉（含没有 .form-select 类的裸 <select>），多选保留原生列表外观 */
html.ilink-app select:not([multiple]) {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 30px !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2374767B' stroke-width='2.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: right 10px center !important;
  background-size: 15px 15px !important;
  cursor: pointer;
}
html.ilink-app select:not([multiple]):hover {
  border-color: var(--ui-border-strong) !important;
}
html.ilink-app select:not([multiple]) option {
  color: var(--ui-text);
  background: #ffffff;
}

/* 展开的下拉列表本体：原生那层由系统绘制，CSS 摸不到（各平台差异最大的一块）。
   Chrome 135+ 的 appearance: base-select 把 ::picker(select) 交给页面，
   支持时做完整样式：圆角面板 / 浅灰悬停 / 选中加粗；不支持的浏览器保持原生外观。 */
@supports (appearance: base-select) {
  html.ilink-app select:not([multiple]) {
    /* !important：各页自己写的 `appearance: none`（下拉、工具栏、搜索栏）都比这条特异度高，
       不加 !important 就只有部分页面能享受可定制的下拉列表。
       -webkit-appearance 必须一起写：各页写的是这个前缀属性，只写标准属性会被它盖住 */
    -webkit-appearance: base-select !important;
    appearance: base-select !important;
    padding-right: 12px !important;
    background-image: none !important;   /* 箭头改由 ::picker-icon 提供，可跟随展开旋转 */
  }
  html.ilink-app select:not([multiple])::picker(select) {
    appearance: base-select;
    margin-top: 6px;
    padding: 4px;
    background: #ffffff;
    border: 1px solid var(--ui-border-strong);
    border-radius: 12px;
    box-shadow: 0 12px 28px rgb(15 23 42 / 12%);
    /* 固定向下展开：默认 Chrome 会在下方空间不足时向上翻，方向忽上忽下很跳。
       改成永远在下方，超过 320px 的列表在面板内滚动，避免贴底时被裁掉 */
    position-area: block-end span-inline-end;
    position-try-fallbacks: none;
    max-height: 320px;
    overflow-y: auto;
    overscroll-behavior: contain;
  }
  html.ilink-app select:not([multiple]) option {
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--ui-text);
    font-size: 14px;
  }
  html.ilink-app select:not([multiple]) option:hover,
  html.ilink-app select:not([multiple]) option:focus {
    background: var(--ui-surface-subtle);
  }
  html.ilink-app select:not([multiple]) option:checked {
    background: var(--ui-surface-subtle);
    color: var(--ui-text);
    font-weight: 600;
  }
  /* 选中项不再显示原生对勾：浅灰底 + 加粗已经足够表达"当前选中" */
  html.ilink-app select:not([multiple]) option::checkmark { display: none; }
  html.ilink-app select:not([multiple])::picker-icon {
    color: var(--ui-text-muted);
    transition: transform .2s ease;
  }
  html.ilink-app select:not([multiple]):open::picker-icon {
    transform: rotate(180deg);
  }
}

html.ilink-app textarea.form-control,
html.ilink-app textarea.il-form-input,
html.ilink-app textarea.il-input {
  min-height: 110px !important;
  padding-top: 10px !important;
  padding-bottom: 10px !important;
}

/* Status and metadata share a quiet default; colors only express actual states. */
html.ilink-app .il-tag,
html.ilink-app .skill-tag,
html.ilink-app .mentor-tag,
html.ilink-app .gallery-tag,
html.ilink-app .meta-chip,
html.ilink-app .badge:not(.bg-success):not(.bg-danger):not(#unreadCount),
html.ilink-app .competition-card__level,
html.ilink-app .competition-card__tag {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: 5px;
  padding: 0 8px;
  color: var(--ui-text-secondary) !important;
  background: var(--ui-surface-subtle) !important;
  border: 1px solid transparent !important;
  border-radius: 999px !important;
  box-shadow: none !important;
  font-family: var(--ui-font) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
}

/* 状态色提高一档饱和度：旧的一组（#1b7a57/#b8403a/#8c5f09）偏灰，
   在白底列表里像褪色。底色仍然很浅，靠文字和圆点给信号。 */
html.ilink-app .il-status-recruiting,
html.ilink-app .il-team-card__badge--open,
html.ilink-app .il-team-card__badge--approved,
html.ilink-app .status-approved,
html.ilink-app .status-open,
html.ilink-app .status-success {
  --ui-status-color: #22c55e;
  color: #15803d !important;
  background: #dcfce7 !important;
  border-color: rgba(22, 163, 74, 0.18) !important;
}

html.ilink-app .il-status-closed,
html.ilink-app .il-status-teamed,
html.ilink-app .il-team-card__badge--closed,
html.ilink-app .status-closed,
html.ilink-app .status-neutral {
  --ui-status-color: #94a3b8;
  color: #475569 !important;
  background: #f1f5f9 !important;
  border-color: rgba(100, 116, 139, 0.16) !important;
}

html.ilink-app .il-team-card__badge--teaming,
html.ilink-app .status-teaming {
  --ui-status-color: #0284c7;
  color: #0c4a6e !important;
  background: #e0f2fe !important;
  border-color: rgba(2, 132, 199, 0.18) !important;
}

html.ilink-app .il-team-card__badge--pending,
html.ilink-app .status-pending {
  --ui-status-color: #f59e0b;
  color: #b45309 !important;
  background: #fef3c7 !important;
  border-color: rgba(217, 119, 6, 0.18) !important;
}

html.ilink-app .il-team-card__badge--dissolved,
html.ilink-app .il-team-card__badge--rejected,
html.ilink-app .status-dissolved,
html.ilink-app .status-rejected,
html.ilink-app .status-error,
html.ilink-app .status-expired,
html.ilink-app .il-status-danger {
  --ui-status-color: #ef4444;
  color: #b91c1c !important;
  background: #fee2e2 !important;
  border-color: rgba(220, 38, 38, 0.18) !important;
}

html.ilink-app .il-status-recruiting,
html.ilink-app .il-status-closed,
html.ilink-app .il-status-teamed,
html.ilink-app .il-team-card__badge,
html.ilink-app .status-approved,
html.ilink-app .status-open,
html.ilink-app .status-pending,
html.ilink-app .status-teaming,
html.ilink-app .status-closed,
html.ilink-app .status-rejected,
html.ilink-app .status-expired,
html.ilink-app .status-success,
html.ilink-app .status-error,
html.ilink-app .status-neutral {
  display: inline-flex;
  min-height: 24px;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border: 1px solid var(--ui-border);
  border-radius: 999px;
  font-family: var(--ui-font);
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
}

html.ilink-app .il-status-recruiting::before,
html.ilink-app .il-status-closed::before,
html.ilink-app .il-status-teamed::before,
html.ilink-app .il-team-card__badge::before,
html.ilink-app .status-approved::before,
html.ilink-app .status-open::before,
html.ilink-app .status-pending::before,
html.ilink-app .status-teaming::before,
html.ilink-app .status-closed::before,
html.ilink-app .status-rejected::before,
html.ilink-app .status-expired::before,
html.ilink-app .status-success::before,
html.ilink-app .status-error::before,
html.ilink-app .status-neutral::before {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ui-status-color, var(--ui-text-muted));
  content: "";
}

/* Common standalone objects. Lists remain flat surfaces instead of card stacks. */
html.ilink-app .card,
html.ilink-app .team-card,
html.ilink-app .il-team-card,
html.ilink-app .mentor-card,
html.ilink-app .mentor-card-shell,
html.ilink-app .contest-card,
html.ilink-app .competition-card,
html.ilink-app .il-profile-card,
html.ilink-app .il-section-card,
html.ilink-app .admin-content-panel,
html.ilink-app .admin-table-card,
html.ilink-app .detail-view {
  color: var(--ui-text) !important;
  background: var(--ui-surface) !important;
  /* 高度只用一种表达：去掉描边，交给阴影 */
  border: 0 !important;
  border-radius: var(--ui-radius-surface) !important;
  box-shadow: var(--ui-shadow-surface) !important;
}

html.ilink-app .team-card:hover,
html.ilink-app .il-team-card:hover,
html.ilink-app .mentor-card-shell:hover,
html.ilink-app .contest-card:hover,
html.ilink-app .competition-card:hover {
  border-color: transparent !important;
  box-shadow: var(--ui-shadow-lift) !important;
  transform: translateY(-2px);
}

html.ilink-app .card-header,
html.ilink-app .card-footer,
html.ilink-app .il-team-card-header,
html.ilink-app .il-section-header {
  color: inherit;
  background: transparent !important;
  border-color: var(--ui-border) !important;
}

html.ilink-app .team-card h1,
html.ilink-app .team-card h2,
html.ilink-app .il-team-card__title,
html.ilink-app .mentor-card h2,
html.ilink-app .mentor-card h3,
html.ilink-app .article-card h2,
html.ilink-app .competition-card__title,
html.ilink-app .gc-card h2 {
  color: var(--ui-text) !important;
  font-family: var(--ui-font) !important;
  font-weight: 600 !important;
  letter-spacing: -0.02em;
}

html.ilink-app .il-empty-state,
html.ilink-app .empty-state,
html.ilink-app .gc-empty,
html.ilink-app .kanban-empty {
  color: var(--ui-text-secondary) !important;
  background: transparent !important;
  border: 1px dashed var(--ui-border-strong) !important;
  border-radius: var(--ui-radius-surface) !important;
  box-shadow: none !important;
}

/* 分页样式已收敛到 pagination.css（全站唯一来源），此处不再覆盖 */

/* Toast 视觉已迁移至 components.css 的紧凑暗胶囊 (ilink-toast) 规则，旧规则停用。 */

/* 右下角悬浮工具（AI / 反馈 / 关于）需要一条自己的右侧轨道：
   内容铺满或窗口较窄时，它们会压住表格操作列、卡片按钮，这里为内容让出空间。 */
@media (min-width: 1024px) {
  html.ilink-app body[data-app-page="admin"] > .main-content,
  html.ilink-app body[data-app-page="team-space"] > .main-content,
  html.ilink-app body[data-app-page="team-chat"] > .main-content {
    padding-right: 84px !important;
  }
}

@media (min-width: 1024px) and (max-width: 1399.98px) {
  html.ilink-app body:not([data-app-page="home"]) > .il-page-wrapper,
  html.ilink-app body:not([data-app-page="home"]) > .main-content {
    padding-right: 84px !important;
  }
  /* 后台的 .admin-shell 有页面级 padding-right: 0 !important，改在内层面板留轨道 */
  html.ilink-app body[data-app-page="admin"] .admin-content-panel,
  html.ilink-app body[data-app-page="admin"] .admin-stats-grid {
    padding-right: 84px !important;
  }
  /* 个人中心的 wrapper 上也有页面级 padding-right: 0 !important，改在内容列留轨道 */
  html.ilink-app body[data-profile-page] .il-profile-content {
    padding-right: 84px !important;
  }
  /* 页脚不在页面 wrapper 内，单独留出右侧轨道；首页保持定稿不动 */
  html.ilink-app body:not([data-app-page="home"]) .il-footer__inner {
    padding-right: 84px;
  }
}

html.ilink-app .modal-content,
html.ilink-app .offcanvas,
html.ilink-app .dropdown-menu {
  color: var(--ui-text) !important;
  background: var(--ui-surface) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: var(--ui-radius-surface) !important;
  box-shadow: var(--ui-shadow-float) !important;
}

html.ilink-app .modal-header,
html.ilink-app .modal-footer {
  border-color: var(--ui-border) !important;
}

/* 遮罩从纯黑改成冷灰蓝：纯黑压在冷白页面上会发褐，也和 Agent 抽屉的遮罩不一致 */
html.ilink-app .modal-backdrop.show {
  background-color: rgba(15, 23, 42, 0.34) !important;
  opacity: 1 !important;
}

/* Authentication is deliberately quiet: one focused form on a neutral canvas. */
html.ilink-app body.auth-page--login,
html.ilink-app body.auth-page--register {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--ui-canvas) !important;
  color: var(--ui-text);
  font-family: var(--ui-font) !important;
}

html.ilink-app .auth-wrapper {
  width: 100%;
  max-width: calc(440px + 48px);
  padding: 24px;
}

html.ilink-app .auth-card {
  width: min(100%, 440px);
  padding: 32px !important;
  color: var(--ui-text) !important;
  background: var(--ui-surface) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: var(--ui-radius-panel) !important;
  box-shadow: var(--shadow-float) !important;
}

html.ilink-app .brand-logo__icon {
  width: 42px !important;
  height: 42px !important;
  color: var(--ui-surface) !important;
  background: var(--ui-text) !important;
  border-radius: 12px !important;
  box-shadow: none !important;
}

html.ilink-app .auth-card__title {
  color: var(--ui-text) !important;
  font-family: var(--ui-font) !important;
  font-size: var(--type-display-size, 32px) !important;
  font-weight: var(--type-display-weight, 600) !important;
  letter-spacing: var(--type-display-tracking, -0.02em) !important;
  line-height: var(--type-display-leading, 1.3) !important;
}

html.ilink-app .auth-card__subtitle,
html.ilink-app .auth-card__footer,
html.ilink-app .form-group > label {
  color: var(--ui-text-secondary) !important;
  font-family: var(--ui-font) !important;
}

html.ilink-app .auth-card input:not([type="checkbox"]):not([type="radio"]),
html.ilink-app .auth-card select {
  min-height: var(--field-height, 44px) !important;
  color: var(--ui-text) !important;
  background: var(--field-bg, #ffffff) !important;
  border: 1px solid var(--field-border, #d2d2d7) !important;
  border-radius: var(--field-radius, 8px) !important;
  box-shadow: none !important;
  font-size: var(--field-font-size, 14px) !important;
}

html.ilink-app .auth-card input:not([type="checkbox"]):not([type="radio"]):focus,
html.ilink-app .auth-card select:focus {
  border-color: var(--field-focus-border, #1d1d1f) !important;
  box-shadow: var(--field-ring, 0 0 0 3px rgba(15, 23, 42, 0.12)) !important;
}

html.ilink-app .identifier-toggle {
  padding: 3px;
  background: var(--ui-surface-subtle) !important;
  border-radius: 8px !important;
}

html.ilink-app .identifier-toggle__btn {
  min-height: 36px;
  color: var(--ui-text-secondary) !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 8px !important;
  font-family: var(--ui-font) !important;
  font-weight: 600;
}

html.ilink-app .identifier-toggle__btn.active {
  color: var(--ui-text) !important;
  background: var(--ui-surface) !important;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.08) !important;
}

/* 登录 / 注册 / 找回密码页的主按钮：保持深色实心（这两页是单卡极简布局，
   深色按钮是页面上唯一的主动作，改成浅色会失去焦点）。
   这两页是明确例外，不跟随全站浅云蓝。 */
html.ilink-app .btn-submit {
  height: var(--btn-height-lg, 44px);
  min-height: 44px;
  padding: 0 !important;
  color: var(--ui-surface) !important;
  background: var(--ui-text) !important;
  border: 1px solid var(--ui-text) !important;
  border-radius: var(--ui-radius-control) !important;
  box-shadow: none !important;
  font-family: var(--ui-font) !important;
  font-size: 14px;
  font-weight: 600;
}
html.ilink-app .btn-submit:hover {
  color: var(--ui-surface) !important;
  background: var(--primary-dark) !important;
  border-color: var(--primary-dark) !important;
  transform: none !important;
}

/* 按钮键盘焦点统一为 Apple 蓝；字段仍用中性光圈 */
html.ilink-app .btn:focus-visible,
html.ilink-app .il-btn:focus-visible,
html.ilink-app .il-activity-toolbar__action:focus-visible,
html.ilink-app .il-team-card__btn:focus-visible,
html.ilink-app .il-search-bar__btn:focus-visible {
  outline: 2px solid var(--btn-focus) !important;
  outline-offset: 2px !important;
}

/* 禁用态：统一浅灰底 + 弱化字，不再靠透明度 */
html.ilink-app .btn:disabled,
html.ilink-app .btn.disabled,
html.ilink-app .il-btn:disabled,
html.ilink-app .il-btn--disabled {
  color: var(--btn-disabled-text) !important;
  background: var(--btn-disabled-bg) !important;
  border-color: transparent !important;
  box-shadow: none !important;
  opacity: 1 !important;
  cursor: not-allowed;
}

html.ilink-app .il-link {
  color: var(--ui-text) !important;
  font-weight: 600;
}

html.ilink-app .error-message,
html.ilink-app .il-field-hint.is-error {
  color: var(--ui-danger) !important;
}

/* 协议勾选框不被 auth-card input 的 min-height 误伤 */
html.ilink-app .agreement-wrapper input[type="checkbox"] {
  min-height: auto !important;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-top: 3px;
}

/* Admin remains data-first, reusing its existing tabs and tables. */
html.ilink-app body[data-app-page="admin"] .admin-shell {
  width: min(100% - 48px, 1360px) !important;
  padding-top: 32px;
  padding-bottom: 56px;
}

html.ilink-app body[data-app-page="admin"] .admin-page-header,
html.ilink-app body[data-app-page="admin"] .admin-stats-grid,
html.ilink-app body[data-app-page="admin"] .admin-workspace {
  color: var(--ui-text) !important;
}

html.ilink-app body[data-app-page="admin"] .admin-workspace {
  display: grid !important;
  grid-template-columns: 210px minmax(0, 1fr) !important;
  gap: 24px !important;
}

html.ilink-app body[data-app-page="admin"] .admin-sidebar {
  position: sticky;
  top: 96px;
  padding: 14px !important;
  background: var(--ui-surface) !important;
  border: 1px solid var(--ui-border) !important;
  border-radius: var(--ui-radius-surface) !important;
  box-shadow: none !important;
}

html.ilink-app body[data-app-page="admin"] .admin-tabs .nav-link {
  min-height: var(--nav-item-height, 44px);
  color: var(--ui-text-secondary) !important;
  border-radius: var(--nav-item-radius, 8px) !important;
  font-family: var(--ui-font) !important;
  font-size: 14px;
  font-weight: 500;
}

html.ilink-app body[data-app-page="admin"] .admin-tabs .nav-link:hover {
  color: var(--ui-text) !important;
  background: var(--nav-hover-bg, #f5f5f7) !important;
}

html.ilink-app body[data-app-page="admin"] .admin-tabs .nav-link.active,
html.ilink-app body[data-app-page="admin"] .admin-tabs .nav-link.active:hover {
  color: var(--ui-text) !important;
  background: var(--nav-active-bg, #ECEDEF) !important;
  font-weight: 600;
}

html.ilink-app body[data-app-page="admin"] .admin-table-card {
  overflow: hidden;
}

html.ilink-app body[data-app-page="admin"] .admin-table-card .card-header {
  padding: 20px 24px;
}

html.ilink-app body[data-app-page="admin"] .admin-table {
  margin: 0;
  color: var(--ui-text) !important;
}

html.ilink-app body[data-app-page="admin"] .admin-table > :not(caption) > * > * {
  padding: 14px 16px;
  color: inherit;
  background: transparent !important;
  border-color: var(--ui-border) !important;
  font-family: var(--ui-font) !important;
  font-size: 13px;
}

html.ilink-app body[data-app-page="admin"] .admin-table thead th {
  color: var(--ui-text-muted) !important;
  background: var(--ui-surface-subtle) !important;
  font-size: 12px;
  font-weight: 600;
}

/* Narrow screens retain hierarchy without shrinking interactive targets. */
@media (max-width: 1024px) {
  html.ilink-app body[data-app-page="admin"] .admin-shell {
    width: min(100% - 32px, 1200px) !important;
  }

  html.ilink-app body[data-app-page="admin"] .admin-workspace {
    grid-template-columns: minmax(0, 1fr) !important;
  }

  /* The tab row is a horizontal scroll container here; letting the sidebar
     shrink below its content width keeps longer (e.g. English) labels from
     widening the whole page. */
  html.ilink-app body[data-app-page="admin"] .admin-sidebar {
    min-width: 0 !important;
  }

  /* Soft right edge so a clipped tab reads as "scroll for more". Only the
     tablet range scrolls the row; small screens switch to a two-column grid. */
  @media (min-width: 768px) {
    html.ilink-app body[data-app-page="admin"] .admin-tabs {
      -webkit-mask-image: linear-gradient(to right, #000000 calc(100% - 16px), transparent 100%);
      mask-image: linear-gradient(to right, #000000 calc(100% - 16px), transparent 100%);
    }
  }

  html.ilink-app body[data-app-page="admin"] .admin-sidebar {
    position: static;
  }
}

@media (max-width: 767.98px) {
  html.ilink-app body[data-app-page="admin"] .admin-shell {
    width: min(100% - 24px, 1200px) !important;
  }

  html.ilink-app .auth-wrapper {
    padding: 24px 16px;
  }

  html.ilink-app .auth-card {
    padding: 24px !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  html.ilink-app *,
  html.ilink-app *::before,
  html.ilink-app *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
/* Mobile touch targets: all actionable controls remain comfortably tappable. */
@media (max-width: 767.98px), (pointer: coarse) {
  :where(
    button,
    .btn,
    [role="button"],
    input:not([type="checkbox"]):not([type="radio"]):not([type="hidden"]),
    select,
    .form-select,
    .form-control,
    .nav-link,
    .page-link,
    .il-btn,
    .il-link-button,
    .competition-track-tab,
    .detail-action-btn
  ) {
    min-height: 44px !important;
    max-height: none !important;
    touch-action: manipulation;
  }

  :where(
    button,
    [role="button"],
    .icon-button,
    .btn-icon,
    .toggle-password,
    .page-link,
    .emoji-item
  ) {
    min-width: 44px !important;
  }

  :where(a, button, input, select, textarea, [role="button"]):focus-visible {
    outline: 2px solid var(--accent-color, #5f6f8f);
    outline-offset: 2px;
  }
}

/* 键盘焦点安全网（全设备）：无论组件是否移除 outline，键盘导航焦点始终可见 */
.ilink-app :focus-visible {
  outline: 2px solid var(--color-gray-500);
  outline-offset: 2px;
}

/* 表单控件普遍已有 box-shadow 焦点环，去 outline 避免双指示叠加 */
.ilink-app input:focus-visible,
.ilink-app textarea:focus-visible,
.ilink-app select:focus-visible,
.ilink-app [contenteditable="true"]:focus-visible {
  outline: none;
}


/* 首页按钮保持黑白（已定稿）：全局工具层里的发送/提交也不使用蓝色 */
html.ilink-app body[data-app-page="home"] .kgd-sendbtn,
html.ilink-app body[data-app-page="home"] .fbk-submit {
  color: #ffffff !important;
  background: var(--ui-text, #1d1d1f) !important;
  border-color: var(--ui-text, #1d1d1f) !important;
}
html.ilink-app body[data-app-page="home"] .kgd-sendbtn:hover,
html.ilink-app body[data-app-page="home"] .fbk-submit:hover {
  background: #000000 !important;
  border-color: #000000 !important;
}

/* ========================================
   状态徽章：全站收成一套
   徽章是页面上面积最大的颜色，各页面自己写的色值必须先统一，
   否则同一个「已组队」在不同页面是三种蓝。
   ======================================== */
html.ilink-app .status-badge,
html.ilink-app .admin-status-badge {
  display: inline-flex !important;
  align-items: center;
  gap: 6px;
  padding: 3px 10px !important;
  border: 0 !important;
  border-radius: 999px !important;
  box-shadow: none !important;
  background: #eff2f5 !important;
  color: var(--ui-text-muted) !important;
  font-size: 12px !important;
  font-weight: 500 !important;
  white-space: nowrap;
}

html.ilink-app .status-badge::before,
html.ilink-app .admin-status-badge::before {
  content: "";
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  border-radius: 50%;
  background: currentColor;
}

html.ilink-app .status-badge.approved,
html.ilink-app .status-badge.teaming {
  background: var(--ui-success-soft) !important;
  color: var(--ui-success) !important;
}

html.ilink-app .status-badge.pending {
  background: var(--ui-warning-soft) !important;
  color: var(--ui-warning) !important;
}

html.ilink-app .status-badge.closed {
  background: var(--ui-danger-soft) !important;
  color: var(--ui-danger) !important;
}

}