/* ============================================================
   RSS Reader — 日系简约 黑白灰 + 全液态玻璃 + 明快色彩
   ============================================================ */

/* ── 主题变量（深色为默认） ── */
:root {
  --bg:        #111;
  --surface:   #1a1a1a;
  --surface2:  #222;
  --surface3:  #2e2e2e;
  --border:    #2a2a2a;
  --accent:    #888;
  --accent2:   #666;
  --text:      #e0e0e0;
  --text2:     #999;
  --text3:     #5a5a5a;
  --danger:    #a06060;
  --success:   #6a9a6a;
  --star:      #c8a84c;
  --primary:   #6b8e8e;
  --radius:    6px;
  --sidebar-w: 280px;

  /* 色彩系统 */
  --color-all:    #7eb8da;
  --color-star:   #e8b84b;
  --color-note:   #b39ddb;
  --color-unread: #f0937e;

  /* 玻璃质感 */
  --glass-bg:       rgba(24, 24, 28, 0.72);
  --glass-border:   rgba(255, 255, 255, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.03);

  --modal-glass-bg:       rgba(24, 24, 28, 0.85);
  --modal-glass-border:   rgba(255, 255, 255, 0.08);
  --modal-glass-highlight: rgba(255, 255, 255, 0.04);
  
  --topbar-glass-bg:       rgba(24, 24, 28, 0.65);
  --topbar-glass-border:   rgba(255, 255, 255, 0.05);
}

:root.light {
  --bg:        #fafafa;
  --surface:   #fff;
  --surface2:  #f2f2f2;
  --surface3:  #e6e6e6;
  --border:    #ddd;
  --accent:    #555;
  --accent2:   #888;
  --text:      #1a1a1a;
  --text2:     #666;
  --text3:     #aaa;
  --danger:    #b05050;
  --success:   #5a8a5a;
  --star:      #a8882c;
  --primary:   #5a7a7a;

  --color-all:    #5a9cc8;
  --color-star:   #d4972c;
  --color-note:   #8b7db5;
  --color-unread: #e07a60;

  --glass-bg:       rgba(248, 248, 252, 0.68);
  --glass-border:   rgba(0, 0, 0, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.55);

  --modal-glass-bg:       rgba(248, 248, 252, 0.80);
  --modal-glass-border:   rgba(0, 0, 0, 0.08);
  --modal-glass-highlight: rgba(255, 255, 255, 0.50);
  
  --topbar-glass-bg:       rgba(248, 248, 252, 0.60);
  --topbar-glass-border:   rgba(0, 0, 0, 0.05);
}

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

body {
  font-family: "Noto Sans SC", -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  height: 100vh;
  overflow: hidden;
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  transition: background .3s, color .3s;
  /* iOS 安全区域（只用 env，防止重复叠加） */
  padding-top: env(safe-area-inset-top, 20px);
}

/* ── Layout ── */
#app { display: flex; height: 100vh; }

/* ============================================================
   Sidebar — 液态玻璃 + 彩色标签
   ============================================================ */
#sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--glass-bg);
  backdrop-filter: blur(32px) saturate(180%);
  -webkit-backdrop-filter: blur(32px) saturate(180%);
  border-right: 1px solid var(--glass-border);
  box-shadow: 1px 0 24px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background 0.4s, border-color 0.4s, box-shadow 0.4s;
  position: relative;
  /* iOS 安全区域 */
  padding-top: env(safe-area-inset-top);
}

#sidebar::before {
  content: "";
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 200%;
  height: 180px;
  background: radial-gradient(ellipse at 50% 0%,
      var(--glass-highlight) 0%,
      transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#sidebar-header {
  height: 48px;
  padding: 0 16px;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

#sidebar-header h2 {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  letter-spacing: .5px;
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1;
}
.site-logo {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  object-fit: contain;
}

#feed-list {
  flex: 1;
  overflow-y: auto;
  padding: 6px 0;
  position: relative;
  z-index: 1;
}
#feed-list::-webkit-scrollbar { width: 3px; }
#feed-list::-webkit-scrollbar-thumb { background: rgba(128,128,128,0.2); border-radius: 2px; }

#sidebar-footer {
  padding: 10px 16px;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  position: relative;
  z-index: 1;
}

#user-info {
  font-size: 12px;
  color: var(--text3);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 8px;
  transition: background 0.15s;
}
#user-info:hover { background: var(--surface2); }

.user-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  flex-shrink: 0;
}

#sidebar-footer button {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 14px;
  padding: 4px 6px;
  border-radius: 4px;
  color: var(--text3);
  transition: background .15s, color .15s;
  line-height: 1;
}
#sidebar-footer button:hover { background: rgba(128,128,128,0.08); color: var(--text2); }
#theme-btn:hover { color: var(--color-star) !important; }

.group-header {
  display: flex;
  align-items: center;
  padding: 8px 16px 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--text3);
  text-transform: uppercase;
  letter-spacing: .5px;
  cursor: pointer;
  user-select: none;
  gap: 4px;
  position: relative;
  z-index: 1;
}
.group-header:hover { color: var(--text2); }
.group-header .group-arrow { font-size: 10px; transition: transform .15s, color .2s; color: var(--text3); }
.group-header.collapsed .group-arrow { transform: rotate(-90deg); }
.group-header:hover .group-arrow { color: var(--color-all); }
.group-feeds { overflow: hidden; }
.group-feeds.collapsed { display: none; }

.feed-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 16px;
  cursor: pointer;
  transition: background .15s, border-color .15s;
  border-left: 3px solid transparent;
}
.feed-item:hover { background: rgba(255,255,255,0.05); }
.feed-item.active { background: rgba(255,255,255,0.08); border-left-color: var(--text3); }

.feed-item.all-feeds.active {
  border-left-color: var(--color-all);
  background: rgba(126, 184, 218, 0.06);
}
.feed-item.starred-feed.active {
  border-left-color: var(--color-star);
  background: rgba(232, 184, 75, 0.06);
}
.feed-item.notes-feed.active {
  border-left-color: var(--color-note);
  background: rgba(179, 157, 219, 0.06);
}

.favicon-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.favicon-wrap img {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  object-fit: contain;
  background: var(--surface2);
}
/* 特殊入口（全部/收藏/笔记）使用 placeholder 结构 */
.favicon-wrap .favicon-placeholder {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  background: var(--surface3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--text3);
}

.feed-info { flex: 1; min-width: 0; }
.feed-name {
  flex: 1;
  font-size: 13px;
  color: var(--text);
  font-weight: 400;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* 未读徽章 */
.feed-unread {
  font-size: 11px;
  font-weight: 600;
  color: var(--color-unread);
  background: rgba(240, 147, 126, 0.15);
  border-radius: 10px;
  padding: 2px 8px;
  min-width: 22px;
  text-align: center;
  flex-shrink: 0;
  transition: background 0.2s, color 0.2s;
}
:root.light .feed-unread { background: rgba(224, 122, 96, 0.14); }
.feed-item:hover .feed-unread { background: rgba(240, 147, 126, 0.25); }

/* 特殊标签图标 */
.feed-item.all-feeds .favicon-placeholder,
.feed-item.starred-feed .favicon-placeholder,
.feed-item.notes-feed .favicon-placeholder {
  color: #fff;
  font-size: 9px;
  border-radius: 6px;
  transition: transform 0.2s, box-shadow 0.2s;
}
.feed-item.all-feeds .favicon-placeholder {
  background: var(--color-all);
  box-shadow: 0 2px 8px rgba(126,184,218,0.25);
}
.feed-item.all-feeds:hover .favicon-placeholder {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(126,184,218,0.35);
}
.feed-item.starred-feed .favicon-placeholder {
  background: var(--color-star);
  box-shadow: 0 2px 8px rgba(232,184,75,0.25);
}
.feed-item.starred-feed:hover .favicon-placeholder {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(232,184,75,0.35);
}
.feed-item.notes-feed .favicon-placeholder {
  background: var(--color-note);
  box-shadow: 0 2px 8px rgba(179,157,219,0.25);
}
.feed-item.notes-feed:hover .favicon-placeholder {
  transform: scale(1.08);
  box-shadow: 0 4px 14px rgba(179,157,219,0.35);
}

/* ============================================================
   Main & Topbar — 玻璃质感
   ============================================================ */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  position: relative;
}

#topbar {
  height: 48px;
  border-bottom: 1px solid var(--topbar-glass-border);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--topbar-glass-bg);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  transition: background .3s, border-color .3s;
  position: relative;
  z-index: 10;
}

#topbar-title {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#podcast-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: rgba(128,128,128,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 50%;
  color: var(--text2);
  font-size: 13px;
  text-decoration: none;
  flex-shrink: 0;
  transition: all .2s;
  margin: 0 4px;
}
#podcast-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(var(--primary-rgb, 59,130,246), 0.08);
}
#topbar-center { display: flex; gap: 6px; align-items: center; }

#menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text2);
  font-size: 16px;
  cursor: pointer;
  border-radius: 6px;
  flex-shrink: 0;
  transition: all 0.25s ease;
}

#menu-btn:hover {
  background: rgba(128, 128, 128, 0.08);
  color: var(--text);
}

#menu-btn i {
  transition: color 0.25s ease;
}

#plus-btn {
  background: rgba(128,128,128,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text3);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .25s;
  flex-shrink: 0;
}
#plus-btn:hover {
  border-color: var(--color-all);
  color: var(--color-all);
  background: rgba(126,184,218,0.1);
}

#search-box {
  display: flex;
  align-items: center;
  background: rgba(128,128,128,0.08);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 0 12px;
  gap: 6px;
  height: 30px;
  transition: border-color .2s, background .2s;
  backdrop-filter: blur(4px);
}
#search-box:focus-within { border-color: var(--text3); background: rgba(128,128,128,0.12); }
#search-box svg { color: var(--text3); flex-shrink: 0; }
#search-box input {
  background: none;
  border: none;
  outline: none;
  color: var(--text);
  font-size: 13px;
  width: 140px;
}
#search-box input::placeholder { color: var(--text3); }

#view-toggle {
  display: flex;
  background: rgba(128,128,128,0.06);
  border: 1px solid var(--glass-border);
  border-radius: 4px;
  overflow: hidden;
}
.view-btn {
  padding: 4px 8px;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--text3);
  transition: all .15s;
}
.view-btn.active { background: rgba(128,128,128,0.2); color: var(--text); }
.view-btn:hover:not(.active) { color: var(--text); }

#refresh-btn, #mark-read-btn {
  background: rgba(128,128,128,0.08);
  border: 1px solid var(--glass-border);
  color: var(--text2);
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .2s;
  flex-shrink: 0;
  backdrop-filter: blur(4px);
}
#refresh-btn:hover, #mark-read-btn:hover {
  border-color: var(--text3);
  color: var(--text);
  background: rgba(128,128,128,0.15);
}

#topbar-favicon .favicon-wrap { width: 18px; height: 18px; }
#topbar-favicon .favicon-wrap img,
#topbar-favicon .favicon-wrap .favicon-placeholder { width: 18px; height: 18px; border-radius: 3px; font-size: 9px; }

#topbar-title-input {
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: var(--surface2);
  border: 1px solid var(--text3);
  border-radius: 4px;
  padding: 2px 8px;
  outline: none;
  flex: 1;
  min-width: 0;
}

/* ============================================================
   Content Area
   ============================================================ */
#content {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  background: var(--bg);
}
#content::-webkit-scrollbar { width: 4px; }
#content::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }
:root.light #content { background: #fff; }
:root.dark #content { background: #1a1a1a; }

#content.view-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 10px;
  align-content: start;
}
#content.view-list { display: flex; flex-direction: column; gap: 1px; }

/* ============================================================
   Cards
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  transition: border-color .2s;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.card:hover { border-color: var(--text3); }
.card.read { opacity: .45; }

.card-header { display: flex; align-items: flex-start; gap: 8px; }
.card .favicon-wrap { width: 16px; height: 16px; }
.card .favicon-wrap img,
.card .favicon-wrap .favicon-placeholder { width: 16px; height: 16px; border-radius: 3px; font-size: 8px; }

.card-meta { flex: 1; min-width: 0; }
.card-feed-title { font-size: 12px; color: var(--text3); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card-date { font-size: 12px; color: var(--text3); flex-shrink: 0; min-width: 60px; text-align: right; white-space: nowrap; }

.card-title {
  font-size: 15px; font-weight: 500; color: var(--text); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.card-title.unread { font-weight: 600; }

.card-summary {
  font-size: 14px; color: var(--text2); line-height: 1.5;
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}

/* ============================================================
   List Items
   ============================================================ */
.list-item {
  background: var(--surface);
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.list-item:hover { background: var(--surface2); border-color: var(--border); }
.list-item.read { opacity: .45; }

.list-item .favicon-wrap { width: 16px; height: 16px; }
.list-item .favicon-wrap img,
.list-item .favicon-wrap .favicon-placeholder { width: 16px; height: 16px; border-radius: 3px; font-size: 8px; }

.list-item-title {
  flex: 1; min-width: 0; font-size: 14px; font-weight: 400; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.list-item-title.unread { font-weight: 500; }
.list-item-feed { font-size: 12px; color: var(--text3); flex-shrink: 0; max-width: 100px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.list-item-date { font-size: 12px; color: var(--text3); flex-shrink: 0; min-width: 60px; text-align: right; }
.list-item-meta { display: flex; flex-shrink: 0; gap: 8px; align-items: center; }

/* ── Audio play button (starred list) ── */
.audio-btn { display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 4px; cursor: pointer; font-size: 12px; flex-shrink: 0; margin-right: 4px; transition: background 0.15s, color 0.15s; }
.audio-ready { color: var(--text2); }
.audio-ready:hover { background: var(--surface2); color: var(--accent); }
.audio-loading { color: var(--text3); cursor: default; }
.audio-error { color: #e74c3c; cursor: pointer; }
.audio-error:hover { background: rgba(231,76,60,0.1); }
.audio-btn.playing { color: var(--accent); }

/* ============================================================
   Detail Area
   ============================================================ */
#item-detail {
  display: none;
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  background: var(--bg);
  transition: background .3s;
  position: relative;
}
#item-detail::-webkit-scrollbar { width: 4px; }
#item-detail::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }

#detail-wrapper { max-width: 840px; width: 100%; margin: 0 auto; }

/* 悬浮磨砂玻璃工具栏 */
#floating-toolbar {
  display: none;
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  background: var(--modal-glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border-radius: 100px;
  border: 1px solid var(--modal-glass-border);
  box-shadow: 0 2px 16px rgba(0,0,0,.2);
  z-index: 999;
  width: min(360px, calc(100% - 32px));
  justify-content: center;
  transition: transform 0.3s ease, opacity 0.3s ease;
}
#floating-toolbar.toolbar-hidden {
  transform: translateX(-50%) translateY(calc(100% + 50px));
  opacity: 0;
  pointer-events: none;
}
:root.light #floating-toolbar { background: var(--modal-glass-bg); }

#floating-toolbar button {
  width: 36px; height: 36px; border-radius: 50%;
  border: none; background: transparent;
  color: var(--text2); font-size: 14px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
#floating-toolbar button:hover { background: rgba(255,255,255,0.1); color: var(--text); }
:root.light #floating-toolbar button:hover { background: rgba(0,0,0,0.06); }
#floating-toolbar button.starred { color: var(--star); }
#floating-toolbar button.active { color: var(--primary); }
#floating-toolbar button:disabled { opacity: .25; cursor: default; }
.toolbar-divider {
  width: 1px; height: 24px; background: rgba(255,255,255,0.12); margin: 0 8px;
}
:root.light .toolbar-divider { background: rgba(0,0,0,0.1); }

/* ── 文章元信息与内容样式 ── */
#detail-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text3);
  flex-wrap: wrap;
}
#detail-meta a, #detail-content a { color: var(--accent); text-decoration: none; }

#detail-meta .favicon-wrap { width: 16px; height: 16px; flex-shrink: 0; }
#detail-meta .favicon-wrap img,
#detail-meta .favicon-wrap .favicon-placeholder { width: 16px; height: 16px; border-radius: 3px; font-size: 8px; }

#detail-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin: 0;
  display: inline;
  word-break: break-word;
}
#detail-title .title-link {
  color: inherit;
  text-decoration: none;
}
#detail-title .title-link:hover {
  text-decoration: none;
}

#detail-content {
  font-size: 16px;
  line-height: 1.75em;
  color: var(--text2);
  word-wrap: break-word;
  padding-bottom: 80px; /* 为悬浮工具栏留白 */
}

#detail-content img {
  max-width: 100%;
  height: auto;
  border-radius: 5px;
  margin: 16px 0;
  display: block;
  box-shadow: 0 1px 3px 0 rgb(0 0 0 / .1), 0 1px 2px -1px rgb(0 0 0 / .1);
}

#detail-content a.doubanlink { color:#4caf50;}

#detail-content video {
  max-width: 100%;
  width: 100%;
  height: auto;
  border-radius: 12px;
  margin: 24px 0;
  display: block;
  background: #000;
  box-shadow:
    0 8px 24px -4px rgb(0 0 0 / .18),
    0 0 0 1px rgb(255 255 255 / .05);
  outline: none;
}
#detail-content video:focus-visible {
  box-shadow:
    0 8px 24px -4px rgb(0 0 0 / .18),
    0 0 0 2px var(--accent);
}

#detail-content blockquote {
  margin: 1rem 0;
  padding: 1em 1rem 1rem 3rem;
  border-left: none;
  background-color: #f4f4f4;
  border-radius: 8px;
  font-style: normal;
  color: #4b5563;
  line-height: 1.7;
  position: relative;
}
#detail-content blockquote p::before,
#detail-content blockquote p::after {
  content: "" !important;
}
#detail-content blockquote::before {
  content: "\201C";
  position: absolute;
  top: 1rem;
  left: 0.8rem;
  font-family: Georgia, serif;
  font-size: 3rem;
  line-height: 1;
  color: #3eaf7c;
  font-weight: bold;
  opacity: 0.4;
  z-index: 0;
}
#detail-content blockquote p {
  position: relative;
  z-index: 1;
  font-style: normal;
  font-weight: 400;
  color: #888;
  margin: 0;
}
:root.light #detail-content blockquote {
  background-color: #f4f4f4;
  color: #4b5563;
}
:root.light #detail-content blockquote p { color: #888; }
:root.light #detail-content blockquote::before { color: #3eaf7c; opacity: 0.4; }
:root:not(.light) #detail-content blockquote {
  background-color: #1f1f1f;
  color: #a3a3a3;
}
:root:not(.light) #detail-content blockquote p { color: #a3a3a3; }
:root:not(.light) #detail-content blockquote::before { opacity: 0.6; }

#detail-content h1 { font-size: 22px; margin: 24px 0 12px; font-weight: 600; color: var(--text); }
#detail-content h2 { font-size: 20px; margin: 20px 0 10px; font-weight: 500; color: var(--text); }
#detail-content h3 { font-size: 18px; margin: 16px 0 8px; font-weight: 500; color: var(--text); }
#detail-content p { margin-bottom: 14px; }
#detail-content hr{border:none;border-bottom:1px dashed;color:var(--text3);margin:2em 0;}
#detail-content ul,
#detail-content ol {
  margin: 0 0 16px 0;
  padding-left: 24px;
}
#detail-content li {
  margin-bottom: 6px;
  line-height: 1.75em;
}
#detail-content li::marker { color: var(--text3); }

#detail-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  line-height: 1.6;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 1px 3px rgb(0 0 0 / .08);
}
#detail-content thead { border-bottom: 2px solid var(--border); }
#detail-content th {
  font-weight: 600;
  color: var(--text);
  text-align: left;
  padding: 10px 14px;
  background: var(--surface);
  white-space: nowrap;
}
#detail-content td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text2);
  vertical-align: top;
}
#detail-content tbody tr:nth-child(even) { background: var(--surface2); }
#detail-content tbody tr:nth-child(odd)  { background: transparent; }
#detail-content tbody tr:hover { background: var(--surface3); }
#detail-content tbody tr:last-child td { border-bottom: none; }

#detail-content pre, #detail-content code {
  background: var(--surface);
  border-radius: 4px;
  font-size: 13px;
}
#detail-content code { padding: 2px 6px; }
#detail-content pre { padding: 14px; overflow-x: auto; }

/* 自定义音频播放器 */
#detail-content audio { display: none; }
.audio-player {
  margin: 16px 0;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.audio-player .ap-play {
  width: 36px; height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--text);
  color: var(--bg);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 14px;
  transition: opacity .15s;
}
.audio-player .ap-play:hover { opacity: .8; }
.audio-player .ap-body { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.audio-player .ap-bar {
  width: 100%; height: 4px;
  background: var(--border);
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.audio-player .ap-bar-fill {
  height: 100%;
  background: var(--text3);
  border-radius: 2px;
  width: 0%;
  transition: width .1s linear;
}
.audio-player .ap-time {
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--text3);
  font-variant-numeric: tabular-nums;
}

::selection { background: var(--text3); color: var(--bg); }

/* ── 笔记与批注样式 ── */
.note-highlight {
  margin-top: 20px;
  padding: 12px 14px;
  background: var(--surface2);
  border-radius: 6px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text2);
  border-left: 3px solid var(--color-note);
}
.note-highlight i { margin-right: 8px; color: var(--color-note); }

mark.annotation {
  background: linear-gradient(120deg, rgba(107,142,142,0.15) 0%, rgba(107,142,142,0.25) 100%);
  color: inherit;
  padding: 2px 4px;
  border-radius: 3px;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-color: var(--primary);
  text-underline-offset: 3px;
  position: relative;
}
mark.annotation:hover {
  background: linear-gradient(120deg, rgba(107,142,142,0.3) 0%, rgba(107,142,142,0.4) 100%);
}
mark.annotation::after {
  content: attr(data-note);
  position: absolute;
  left: 0;
  top: 100%;
  margin-top: 6px;
  padding: 8px 12px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text);
  white-space: pre-wrap;
  max-width: 300px;
  box-shadow: 0 4px 16px rgba(0,0,0,.2);
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity .15s;
}
mark.annotation:hover::after { opacity: 1; }

.annotation-ref {
  font-size: 0.75em;
  color: var(--primary);
  margin-left: 2px;
  font-weight: 600;
  cursor: pointer;
}

.article-notes {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
}
.notes-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text2);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.notes-title i { color: var(--color-note); }

.note-item {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  background: var(--surface2);
  border-radius: 6px;
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.6;
}
.note-num {
  color: var(--color-note);
  font-weight: 600;
  flex-shrink: 0;
}
.note-text { color: var(--text); flex: 1; }
.note-back {
  color: var(--text3);
  text-decoration: none;
  flex-shrink: 0;
  font-size: 12px;
}
.note-back:hover { color: var(--primary); }
.note-delete {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 14px;
  padding: 0 4px;
  opacity: 0.4;
  transition: opacity 0.15s;
}
.note-delete:hover { opacity: 1; color: #c00; }

/* ── Empty State ── */
#empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  color: var(--text3);
}
#empty-state .icon { font-size: 28px; margin-bottom: 16px; color: var(--text3); opacity: .4; }
#empty-state h3 { font-size: 14px; color: var(--text2); margin-bottom: 8px; font-weight: 400; }
#empty-state p { font-size: 13px; }

/* ============================================================
   弹窗 — 彩色液态玻璃
   ============================================================ */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.visible { display: flex; }

.modal-box {
  background: var(--modal-glass-bg);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border: 1px solid var(--modal-glass-border);
  border-radius: 12px;
  padding: 24px;
  width: 400px;
  max-width: 90vw;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  position: relative;
  transition: background 0.3s, border-color 0.3s;
}

/* 弹窗顶部微光 */
.modal-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--modal-glass-highlight), transparent);
  opacity: 0.8;
}

.modal-box h3 { font-size: 14px; margin-bottom: 16px; color: var(--text); font-weight: 500; }

.modal-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
  border-bottom: 1px solid rgba(128,128,128,0.15);
}
.modal-tab {
  flex: 1;
  padding: 8px 0;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text3);
  font-size: 13px;
  cursor: pointer;
  transition: all .2s;
}
.modal-tab.active {
  color: var(--text);
  border-bottom-color: var(--color-all);
}
.modal-tab:hover:not(.active) { color: var(--text2); }

.modal-tab-content { display: none; }
.modal-tab-content.active { display: block; }

.modal-box label { display: block; font-size: 12px; color: var(--text3); margin-bottom: 6px; }
.modal-box input, .modal-box select, .modal-box textarea {
  width: 100%;
  padding: 8px 10px;
  background: rgba(128,128,128,0.08);
  border: 1px solid var(--modal-glass-border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
  outline: none;
  margin-bottom: 12px;
  transition: border-color .2s, background .2s;
  backdrop-filter: blur(4px);
}
.modal-box input:focus, .modal-box select:focus, .modal-box textarea:focus {
  border-color: var(--color-all);
  background: rgba(128,128,128,0.12);
}
.modal-box select {
  cursor: pointer;
  appearance: none;
  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='%23999' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.modal-actions button {
  padding: 7px 16px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid transparent;
  background: rgba(128,128,128,0.1);
  color: var(--text2);
  transition: all .2s;
  backdrop-filter: blur(4px);
}
.modal-actions button:hover {
  border-color: var(--modal-glass-border);
  background: rgba(128,128,128,0.2);
  color: var(--text);
}

/* 确认 / 保存按钮色彩化 */
#modal-feed-confirm, #group-edit-save, #modal-note-save {
  background: var(--color-all);
  color: #fff;
  border-color: var(--color-all);
}
#modal-feed-confirm:hover, #group-edit-save:hover, #modal-note-save:hover {
  background: var(--color-all);
  opacity: 0.9;
}

#auth-submit {
  background: var(--color-all);
  color: #fff;
  border-color: var(--color-all);
}
#auth-submit:hover { opacity: 0.9; }

#modal-error { font-size: 12px; color: var(--danger); margin-bottom: 10px; display: none; }

#note-selected-text {
  font-size: 12px; color: var(--text3); margin-bottom: 8px; padding: 8px;
  background: rgba(128,128,128,0.06); border-radius: 4px; line-height: 1.5;
}

/* 分组管理弹窗内的列表 */
.group-list-container {
  max-height: 280px;
  overflow-y: auto;
  border: 1px solid var(--modal-glass-border);
  border-radius: 6px;
  margin-bottom: 12px;
  background: rgba(128,128,128,0.04);
}
.group-list-container::-webkit-scrollbar { width: 3px; }
.group-list-container::-webkit-scrollbar-thumb { background: rgba(128,128,128,0.2); border-radius: 2px; }
.group-list-empty { padding: 20px; text-align: center; color: var(--text3); font-size: 13px; }
.group-list-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--modal-glass-border);
  font-size: 13px;
  color: var(--text);
}
.group-list-item:last-child { border-bottom: none; }
.group-list-name { flex: 1; }
.group-list-count { font-size: 11px; color: var(--text3); }
.group-edit-btn, .group-del-btn {
  background: none;
  border: none;
  color: var(--text3);
  cursor: pointer;
  font-size: 13px;
  padding: 2px 6px;
  border-radius: 4px;
  transition: color .15s, background .15s;
}
.group-edit-btn:hover { color: var(--text); background: rgba(128,128,128,0.1); }
.group-del-btn:hover { color: var(--danger); background: rgba(128,128,128,0.1); }

/* ── Context Menu 样式 ── */
#feed-context-menu, #note-context-menu {
  display: none;
  position: fixed;
  z-index: 2000;
  min-width: 120px;
  max-width: 220px;
  background: var(--modal-glass-bg);
  backdrop-filter: blur(24px) saturate(180%);
  -webkit-backdrop-filter: blur(24px) saturate(180%);
  border: 1px solid var(--modal-glass-border);
  border-radius: 8px;
  padding: 4px 0;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  min-width: 130px;
  box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
#feed-context-menu .ctx-item, #note-context-menu .ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background .1s;
}
#feed-context-menu .ctx-item:hover, #note-context-menu .ctx-item:hover { background: rgba(128,128,128,0.1); }
#feed-context-menu .ctx-item i, #note-context-menu .ctx-item i {
  color: var(--text3); font-size: 12px; width: 14px; text-align: center;
}
#feed-context-menu .ctx-sep { height: 1px; background: rgba(128,128,128,0.15); margin: 4px 0; }

/* ── Light mode tweaks ── */
:root.light .card:hover { box-shadow: 0 1px 6px rgba(0,0,0,.06); }

/* ============================================================
   移动端响应式
   ============================================================ */
@media (max-width: 767px) {
  #menu-btn {
    width: 36px;
    height: 36px;
    font-size: 18px;
    color: var(--text);
  }
  #menu-btn:hover { 
    background: var(--surface2); 
  }
  #menu-btn i { 
    color: var(--text); 
  }

  #topbar { gap: 6px; padding: 8px 10px; overflow-x: auto; }
  #topbar-title { font-size: 13px; }
  #search-box { flex: 1; min-width: 0; }
  #view-toggle { display: none; }
  #refresh-btn, #mark-read-btn { width: 28px; height: 28px; font-size: 11px; }

  #sidebar {
    position: fixed;
    top: 0; left: 0;
    width: 260px;
    height: 100%;
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform .25s cubic-bezier(.4,0,.2,1);
    background: rgba(24,24,28,0.82);
    backdrop-filter: blur(40px) saturate(180%);
    -webkit-backdrop-filter: blur(40px) saturate(180%);
    box-shadow: 8px 0 40px rgba(0,0,0,0.35);
  }
  :root.light #sidebar {
    background: rgba(248,248,252,0.78);
    box-shadow: 8px 0 40px rgba(0,0,0,0.12);
  }
  #sidebar.open {
    transform: translateX(0);
    box-shadow: 4px 0 20px rgba(0,0,0,.3);
  }

  .card { padding: 10px; }
  .card-title { font-size: 13px; }
  .card-summary { font-size: 12px; }
  #detail-wrapper { max-width: 100%; padding: 12px 10px; }
  #detail-title { font-size: 18px; }
  #detail-content { font-size: 15px; line-height: 1.7; }
  #detail-content blockquote { font-size: 15px;padding: 0.8em 0.6rem 0.8rem 2rem; }
  #detail-content blockquote::before { font-size: 2.5rem;left: 0.4rem;top: 0.9rem; }
  #floating-toolbar { position: fixed; bottom: 16px; gap: 8px; padding: 6px 12px; }
  #floating-toolbar button { width: 36px; height: 36px; font-size: 14px; }
  
  .modal-box { width: 95vw; }
}

/* ── 动画 ── */
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
.spinning i { animation: spin .8s linear infinite; }
#pull-hint {
  display: none;
  text-align: center;
  padding: 8px;
  font-size: 12px;
  color: var(--text3);
}
#pull-hint.show { display: block; }

/* ── 详情页标题行 ── */
#detail-title-row {
  display: block;
  margin-bottom: 16px;
  line-height: 1.4;
}
#detail-title-row h1 {
  margin: 0;
}
#detail-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
  margin: 0;
  display: inline;
  word-break: break-word;
  vertical-align: middle;
}
#detail-title .title-link {
  color: inherit;
  text-decoration: none;
}
#detail-title .title-link:hover {
  text-decoration: none;
}
#detail-ai-btn {
  display: none;
  cursor: pointer;
  padding: 4px;
  background: transparent;
  border: none;
  font-size: 20px;
  color: var(--primary);
  border-radius: 6px;
  transition: background .15s;
  vertical-align: middle;
  line-height: 1;
  margin-left: 6px;
  align-items: center;
  justify-content: center;
}
#detail-ai-btn img {
  width: 1em;
  height: 1em;
  display: block;
}
#detail-ai-btn:hover {
  background: color-mix(in srgb, var(--primary) 15%, transparent);
}

/* AI 图标旋转动画 */
@keyframes ai-icon-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.ai-icon-animating img {
  animation: ai-icon-spin 1s linear infinite;
}

/* ── Settings Modal ── */
.settings-modal {
  display: flex;
  width: 480px;
  background: var(--surface1);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,.4);
}

/* 左侧导航 */
.settings-nav {
  width: 180px;
  min-width: 160px;
  background: var(--surface2);
  display: flex;
  flex-direction: column;
  padding: 0;
  border-right: 1px solid var(--border);
}
.settings-nav-user {
  padding: 24px 16px 16px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.settings-nav-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; color: #fff;
  margin: 0 auto;
  overflow: hidden;
  flex-shrink: 0;
}
.settings-nav-list {
  padding: 8px 0;
  flex: 1;
}
.settings-nav-item {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 12px 20px;
  border: none; background: none;
  color: var(--text2); font-size: 14px;
  cursor: pointer; text-align: left;
  transition: all .15s;
}
.settings-nav-item:hover { background: var(--surface3); color: var(--text); }
.settings-nav-item.active {
  color: var(--primary);
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  font-weight: 600;
}
.settings-nav-item i { width: 18px; text-align: center; font-size: 14px; }
.settings-logout-btn {
  width: 100%; padding: 10px;
  border: none; border-radius: 6px;
  background: var(--danger); color: #fff;
  font-size: 13px; cursor: pointer;
  transition: opacity .15s;
}
.settings-logout-btn:hover { opacity: .85; }

/* 右侧内容 */
.settings-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px 24px;
}
.settings-panel-title {
  font-size: 17px; font-weight: 600;
  margin-bottom: 20px;
  display: flex; align-items: center; gap: 8px;
  color: var(--text);
}
.settings-panel-title i { color: var(--primary); }
.settings-section {
  margin-bottom: 18px;
}
.provider-select-wrap {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}
.provider-select-wrap select {
  width: 130px;
  flex-shrink: 0;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  transition: border-color .15s;
}
.provider-select-wrap select:focus { border-color: var(--primary); }
.provider-select-wrap input {
  flex: 1;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .15s, opacity .15s;
}
.provider-select-wrap input:focus { border-color: var(--primary); }
.provider-select-wrap input[readonly] {
  opacity: 0.6;
  cursor: not-allowed;
  background: var(--surface1);
}
.settings-label {
  font-size: 13px; font-weight: 500;
  color: var(--text2);
  display: flex; align-items: center; gap: 6px;
  word-break: break-word;
  line-height: 1.4;
}
.settings-label i { font-size: 12px; flex-shrink: 0; }
.settings-input {
  width: 100%; padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .15s;
}
.settings-input:focus { border-color: var(--primary); }
.settings-avatar-preview {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: #fff;
  overflow: hidden;
  flex-shrink: 0;
}
.settings-upload-btn {
  padding: 8px 16px;
  border: 1px dashed var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text2);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.settings-upload-btn:hover { border-color: var(--primary); color: var(--primary); }
.settings-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.settings-btn-primary {
  padding: 8px 20px;
  border: none; border-radius: 6px;
  background: var(--primary); color: #fff;
  font-size: 14px; cursor: pointer;
  transition: opacity .15s;
}
.settings-btn-primary:hover { opacity: .85; }
.settings-btn-secondary {
  padding: 8px 20px;
  border: none; border-radius: 6px;
  background: var(--surface2); color: var(--text2);
  font-size: 14px; cursor: pointer;
}
.settings-btn-secondary:hover { background: var(--surface3); }
.settings-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}
.settings-row:last-child { border-bottom: none; }
.settings-row-label {
  font-size: 14px; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.settings-row-label i { color: var(--text3); width: 18px; text-align: center; }
.settings-toggle-btn {
  padding: 6px 16px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface2);
  color: var(--text);
  font-size: 13px;
  cursor: pointer;
  transition: all .15s;
}
.settings-toggle-btn:hover { border-color: var(--primary); }

/* ── Settings Modal ── */
  .settings-modal { flex-direction: column; max-width: 92vw; }
  .settings-nav {
    width: 100%; min-width: 100%;
    flex-direction: row; align-items: center;
    border-right: none; border-bottom: 1px solid var(--border);
    padding: 0;
  }
  .settings-nav-user { display: none; }
  .settings-nav-list { display: flex; flex-direction: row; padding: 0; }
  .settings-nav-item { padding: 10px; font-size: 13px; white-space: nowrap; }
  .settings-logout-btn { display: none; }

  /* 移动端关闭磨砂玻璃，改用实色背景 */
  #sidebar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) #sidebar { background: #1a1a1a !important; }
  :root.light #sidebar { background: #fff !important; }

  #topbar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) #topbar { background: #1a1a1a !important; }
  :root.light #topbar { background: #fafafa !important; }

  .modal-overlay {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }

  .modal-box {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) .modal-box { background: #222 !important; }
  :root.light .modal-box { background: #fff !important; }

  .settings-modal {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) .settings-modal { background: #222 !important; }
  :root.light .settings-modal { background: #fff !important; }

  #floating-toolbar {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) #floating-toolbar { background: #2a2a2a !important; }
  :root.light #floating-toolbar { background: #f5f5f5 !important; }

  #feed-context-menu, #note-context-menu {
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
  }
  :root:not(.light) #feed-context-menu,
  :root:not(.light) #note-context-menu { background: #222 !important; }
  :root.light #feed-context-menu,
  :root.light #note-context-menu { background: #fff !important; }

  /* 头像URL输入框加大 */
  #settings-avatar-input {
    width: 100% !important;
    padding: 10px 12px !important;
    font-size: 14px !important;
    min-height: 40px !important;
  }

  /* 添加订阅URL输入框加大 */
  #modal-url {
    padding: 10px 12px !important;
    font-size: 14px !important;
    min-height: 40px !important;
  }
}

/* ── OPML 导入导出 ── */
.opml-cards {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-top: 8px;
}
.opml-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0;
  margin-bottom: 18px !important;
}
.opml-card-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  background: var(--surface2);
  color: var(--text2);
}
.opml-card-body {
  flex: 1;
  min-width: 0;
}
.opml-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  line-height: 1.5;
}
.opml-card-desc {
  font-size: 12px;
  color: var(--text3);
  margin-top: 4px;
  line-height: 1.5;
}
.opml-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 7px 14px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  background: transparent;
  color: var(--text2);
  transition: background 0.15s, color 0.15s;
}
.opml-card-btn:hover {
  background: var(--surface2);
  color: var(--text);
}
.opml-card-btn:active {
  background: var(--surface1);
}
#tab-opml {
  padding: 10px 0 6px;
}
#tab-opml .modal-actions { margin-top: 24px; }
#opml-result { display: none; }

/* 笔记模态框 */
.note-modal-box {
  width: min(500px, 92vw) !important;
  max-width: 500px;
}
.note-modal-box #note-input {
  width: 100%;
  min-height: 120px;
  resize: vertical;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.6;
  box-sizing: border-box;
}
.note-modal-box #note-input:focus {
  outline: none;
  border-color: var(--primary);
}
.modal-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  justify-content: flex-end;
}
.modal-actions button {
  padding: 8px 18px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface2);
  color: var(--text);
  transition: all 0.15s;
}
.modal-actions button:hover {
  border-color: var(--primary);
  color: var(--primary);
}
#modal-note-save {
  background: var(--primary) !important;
  color: #fff !important;
  border: none !important;
}
#modal-note-save:hover {
  opacity: 0.9;
}

/* ── 文章大纲 TOC ── */
#article-toc {
  position: fixed;
  top: 80px;
  right: 200px !important;
  width: 180px;
  display: none;
  flex-direction: column;
  z-index: 1001;
}
#article-toc.visible {
  display: flex;
}
#article-toc.hidden {
  display: none;
}
.toc-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.toc-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.toc-hide-btn {
  font-size: 11px;
  color: var(--text3);
  background: none;
  border: none;
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  transition: color 0.15s, background 0.15s;
}
.toc-hide-btn:hover {
  color: var(--text2);
  background: rgba(128,128,128,0.1);
}
.toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.toc-list li {
  margin: 0;
  padding: 0;
}
.toc-list a {
  display: block;
  padding: 4px 0;
  font-size: 12px;
  color: var(--text2);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color 0.25s ease, border-left 0.25s ease, padding-left 0.25s ease, font-weight 0.25s ease;
  border-left: 2px solid transparent;
  padding-left: 10px;
}
.toc-list a:hover {
  color: var(--primary);
}
.toc-list li.toc-l2 a {
  padding-left: 12px;
  font-size: 11px;
}
.toc-list li.active a {
  color: var(--primary);
  font-weight: 600;
  border-left: 2px solid rgba(107,142,142,0.35);
  padding-left: 8px;
}

/* 响应式：小屏隐藏 TOC */
@media (max-width: 900px) {
  #article-toc {
    display: none !important;
  }
}

/* ── AI Summary ── */
#ai-summary-container {
  margin: 12px 0;
  border-radius: 10px;
  overflow: hidden;
}

/* 加载中：仿 ChatGPT 风格 */
.ai-summary-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  border-radius: 8px;
  font-size: 13px;
  color: var(--text2);
}
.ai-summary-loading .ai-dot-bar {
  display: inline-flex;
  gap: 4px;
  align-items: center;
}
.ai-summary-loading .ai-dot-bar span {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: ai-dot-bounce 1.4s ease-in-out infinite;
}
.ai-summary-loading .ai-dot-bar span:nth-child(2) { animation-delay: 0.2s; }
.ai-summary-loading .ai-dot-bar span:nth-child(3) { animation-delay: 0.4s; }
@keyframes ai-dot-bounce {
  0%, 80%, 100% { transform: scale(0.7); opacity: 0.5; }
  40% { transform: scale(1); opacity: 1; }
}

/* 摘要结果卡片 */
.ai-summary-box {
  background: color-mix(in srgb, var(--primary) 6%, var(--card));
  border: 1px solid color-mix(in srgb, var(--primary) 18%, var(--border));
  border-radius: 10px;
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.75;
  box-shadow: 0 2px 12px color-mix(in srgb, var(--primary) 8%, transparent);
}
.ai-summary-box-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--primary) 12%, var(--border));
}
.ai-summary-box-header i { font-size: 14px; }
.ai-summary-box-body { color: var(--text1); }
.ai-summary-box--err {
  background: color-mix(in srgb, #dc3545 6%, var(--card));
  border-color: color-mix(in srgb, #dc3545 18%, var(--border));
  color: #dc3545;
}
.ai-summary-box--err .ai-summary-box-header { color: #dc3545; border-bottom-color: color-mix(in srgb, #dc3545 12%, var(--border)); }
.ai-summary-box--err .ai-summary-box-body { color: color-mix(in srgb, #dc3545 80%, var(--text1)); }

/* AI 图标按钮 (列表/卡片) */
.item-ai-btn {
  background: none; border: none;
  padding: 4px 8px; cursor: pointer;
  color: var(--text3); font-size: 12px;
  transition: color .2s; margin-left: 8px;
}
.item-ai-btn:hover { color: var(--primary); }

/* AI 图标旋转缩放动画 */
@keyframes ai-icon-spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}
.ai-icon-animating img {
  animation: ai-icon-spin 1s linear infinite;
}

/* API Key 显示/隐藏按钮 */
.key-input-wrap {
  display: flex;
  align-items: center;
  gap: 0;
  margin-top: 6px;
  width: 100%;
  box-sizing: border-box;
}
.key-input-wrap .settings-input {
  flex: 1 1 auto;
  min-width: 0;
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
  border-right: none;
  margin-top: 0;
  box-sizing: border-box;
}
.key-toggle-btn {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border: 1px solid var(--border);
  border-left: none;
  border-radius: 0 6px 6px 0;
  background: var(--surface2);
  color: var(--text3);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: color .15s, background .15s;
  box-sizing: border-box;
}
.key-toggle-btn:hover {
  color: var(--primary);
  background: var(--surface1);
}