:root {
  --bg: #eef2f6;
  --panel: rgba(255, 255, 255, 0.82);
  --text: #2c3e50;
  --muted: #6c757d;
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --border: rgba(0, 0, 0, 0.06);
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
  --sidebar-w: 240px;
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(-45deg, #ffecd2, #fcb69f, #c2e9fb, #e0c3fc);
  background-size: 400% 400%;
  animation: gradientBG 18s ease infinite;
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

#app { min-height: 100vh; display: flex; flex-direction: column; }

/* 头部 */
.app-header {
  background: rgba(255, 255, 255, 0.72);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}
.app-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, #ff9a9e, #fecfef, #a1c4fd, #c2e9fb, #d4fc79);
  background-size: 300% 100%;
  animation: shimmer 4s linear infinite;
}
.brand { display: flex; align-items: baseline; gap: 12px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-logo { width: 40px; height: 40px; border-radius: 8px; align-self: center; }
.brand h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 1px;
  line-height: 1;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 10px rgba(102, 126, 234, 0.25));
}
.brand span { color: var(--muted); font-size: 14px; margin-bottom: 3px; }
.header-actions { display: flex; gap: 12px; align-items: center; }
.top-nav { display: flex; gap: 24px; align-items: center; margin: 0 auto; }
.top-nav a {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: border-color .15s, color .15s;
}
.top-nav a:hover {
  color: var(--primary);
  text-decoration: none;
  border-bottom-color: var(--primary);
}
.user-menu { position: relative; }
.user-menu-toggle {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 12px;
  font-size: 14px;
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
}
.user-menu-toggle:hover { border-color: var(--primary); color: var(--primary); }
.user-menu-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  min-width: 150px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 100;
  overflow: hidden;
}
.user-menu-dropdown a,
.user-menu-dropdown button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
}
.user-menu-dropdown a:hover,
.user-menu-dropdown button:hover { background: #f5f7fa; color: var(--primary); }
.user-menu-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* 主体布局 */
.app-body { display: flex; flex: 1; }
.sidebar {
  width: var(--sidebar-w);
  background: rgba(255, 255, 255, 0.65);
  border-right: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 20px 0;
  flex-shrink: 0;
  overflow-y: auto;
}
.main { flex: 1; padding: 24px; max-width: 1100px; margin: 0 auto; width: 100%; }
.main-landing { max-width: none; padding: 0; }
.app-footer {
  background: rgba(255, 255, 255, 0.65);
  border-top: 1px solid rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
}

/* 导航 */
.nav-section { margin-bottom: 20px; }
.nav-title {
  padding: 0 20px;
  font-size: 12px;
  text-transform: uppercase;
  color: var(--muted);
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}
.nav-list { list-style: none; margin: 0; padding: 0; }
.nav-list li a, .nav-list li .nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 20px;
  color: var(--text);
  cursor: pointer;
}
.nav-list li a:hover, .nav-list li .nav-item:hover { background: #f0f4f8; }
.nav-list li a.router-link-active { color: var(--primary); background: #eef5fd; border-right: 3px solid var(--primary); }
.nav-toggle { font-size: 12px; color: var(--muted); width: 18px; text-align: center; }
.nav-children { padding-left: 16px; }

/* 按钮 */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--panel); color: var(--text); cursor: pointer; font-size: 14px;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}
.btn:hover {
  border-color: #c0c7cf;
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.btn-primary {
  background: var(--primary-gradient);
  border-color: transparent;
  color: #fff;
}
.btn-primary:not(:hover) {
  animation: breathe 2.6s ease-in-out infinite;
}
.btn-primary:hover {
  filter: brightness(1.08);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.35);
}
.btn-danger { color: #c0392b; border-color: #e6b0aa; }
.btn-danger:hover { background: #fdedec; }
.btn-small { padding: 4px 10px; font-size: 13px; }

/* 卡片 */
.card {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform .2s ease, box-shadow .2s ease;
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}
.card-title { margin: 0 0 16px; font-size: 20px; }

/* 列表 */
.list-item {
  padding: 16px 0; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: flex-start;
}
.list-item:last-child { border-bottom: none; }
.list-item h3 { margin: 0 0 6px; font-size: 17px; }
.list-meta { font-size: 13px; color: var(--muted); }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; margin-bottom: 6px; font-weight: 500; }
input[type="text"], input[type="password"], textarea, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; font-family: inherit;
}
input:focus, textarea:focus, select:focus { outline: none; border-color: var(--primary); }
textarea { resize: vertical; }

/* 编辑器 */
.editor-wrap { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.editor-toolbar {
  background: #f8f9fa; border-bottom: 1px solid var(--border);
  padding: 8px 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap;
}
.editor-tools { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.editor-panes { display: grid; grid-template-columns: 1fr 1fr; min-height: 500px; }
.editor-panes textarea {
  border: none; border-right: 1px solid var(--border); min-height: 500px;
  width: 100%; box-sizing: border-box; padding: 16px;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace; line-height: 1.7;
}
.editor-preview {
  padding: 16px; overflow: auto; background: var(--panel);
}

/* 预览内容样式 */
.markdown-body h1, .markdown-body h2, .markdown-body h3, .markdown-body h4 { margin-top: 24px; margin-bottom: 12px; }
.markdown-body p { margin: 0 0 12px; }
.markdown-body img { max-width: 100%; border-radius: 4px; }
.markdown-body pre { background: #f6f8fa; padding: 16px; border-radius: 6px; overflow: auto; }
.markdown-body code { font-family: "SFMono-Regular", Consolas, monospace; background: #f0f2f5; padding: 2px 6px; border-radius: 4px; }
.markdown-body blockquote { border-left: 4px solid var(--primary); margin: 0; padding: 0 16px; color: var(--muted); }
.markdown-body table { border-collapse: collapse; width: 100%; }
.markdown-body th, .markdown-body td { border: 1px solid var(--border); padding: 8px; }

/* Tag */
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  background: #eef5fd; color: var(--primary); padding: 3px 10px; border-radius: 20px;
  font-size: 13px; cursor: pointer;
}
.tag:hover { background: #dbeafe; text-decoration: none; }
.tag.active { background: var(--primary); color: #fff; }
.tag.dim { background: #f3f4f6; color: var(--muted); }

/* 树 */
.tree-node { padding: 6px 0; }
.tree-row { display: flex; align-items: center; gap: 8px; }
.tree-children { padding-left: 20px; }

/* 标签管理树 */
.tag-tree {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tag-tree li {
  border-bottom: 1px solid var(--border);
}
.tag-tree li:last-child {
  border-bottom: none;
}
.tag-tree-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--panel);
}
.tag-tree-row:hover {
  background: #f8f9fa;
}
.tag-tree-toggle {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--muted);
  font-weight: bold;
  border-radius: 4px;
}
.tag-tree-toggle:hover {
  background: var(--border);
}
.tag-tree-spacer {
  width: 18px;
}
.tag-tree-name {
  flex: 1;
}
.tag-tree .tag-tree {
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 0;
  margin-left: 24px;
}
.tag-tree .tag-tree li:last-child {
  border-bottom: none;
}
.drag-handle {
  cursor: grab;
  color: var(--muted);
  user-select: none;
  padding: 0 4px;
  font-size: 12px;
}
.drag-handle:active { cursor: grabbing; }
.tag-tree-actions {
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.7;
  transition: opacity .15s;
}
.tag-tree-row:hover .tag-tree-actions { opacity: 1; }
.tag-tree-name {
  flex: 1;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: text;
}
.tag-tree-name:hover { background: #f0f0f0; }
.tag-edit-input {
  flex: 1;
  padding: 4px 6px;
  border: 1px solid var(--primary);
  border-radius: 4px;
  outline: none;
}
.tag-tree-row.drag-before {
  border-top: 2px solid var(--primary);
}
.tag-tree-row.drag-after {
  border-bottom: 2px solid var(--primary);
}
.tag-tree-row.drag-over-child {
  background: #e8f4ff;
  outline: 2px dashed var(--primary);
  outline-offset: -2px;
}
.tag-tree-root-drop {
  padding: 8px 12px;
  color: var(--muted);
  text-align: center;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  margin: 4px 0;
  background: #fafafa;
}
.tag-tree-root-drop.drag-over,
.tag-tree-root-drop:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: #f0f8ff;
}

/* 标签搜索选择器 */
.tag-search-selector {
  position: relative;
}
.tag-search-input-wrap {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  min-height: 40px;
}
.tag-search-input-wrap:focus-within {
  border-color: var(--primary);
}
.tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  background: #e8f4ff;
  color: var(--primary);
  border-radius: 12px;
  font-size: 13px;
}
.tag-badge-remove {
  border: none;
  background: transparent;
  color: var(--primary);
  cursor: pointer;
  font-size: 16px;
  line-height: 1;
  padding: 0 2px;
}
.tag-badge-remove:hover { color: #c0392b; }
.tag-search-input {
  flex: 1;
  min-width: 120px;
  border: none;
  outline: none;
  background: transparent;
  padding: 4px;
  font-size: 14px;
}
.tag-search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 10;
  margin-top: 4px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  max-height: 240px;
  overflow-y: auto;
}
.tag-search-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  cursor: pointer;
  gap: 8px;
}
.tag-search-item:hover { background: #f5f5f5; }
.tag-search-path {
  color: var(--muted);
  font-size: 12px;
}
.tag-search-empty {
  padding: 10px 12px;
  color: var(--muted);
  font-size: 13px;
}

/* Vditor 编辑器 */
.vditor-editor { min-height: 360px; }

/* 公开首页落地页 */
.landing { color: var(--text); }
.landing-hero {
  position: relative;
  min-height: 100vh;
  padding: 64px 0 76px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #fff;
  background-size: cover;
  background-position: center;
}
.landing-hero-content {
  position: relative;
  z-index: 1;
  padding: 40px 24px;
  max-width: 800px;
}
.landing-hero h1 {
  font-size: 76px;
  margin: 0 0 16px;
  text-shadow: 0 4px 24px rgba(0,0,0,0.35);
  letter-spacing: 2px;
}
.landing-slogan {
  font-size: 26px;
  margin: 0 0 36px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.35);
}
.landing-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.landing-credit {
  margin-top: 24px;
  font-size: 12px;
  color: rgba(255,255,255,0.7);
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
}

/* 介绍页 */
.intro-page { max-width: 760px; margin: 0 auto; }
.intro-title {
  font-size: 42px;
  margin: 0 0 8px;
  color: var(--primary);
}
.intro-lead {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 12px;
}
.intro-note {
  background: linear-gradient(135deg, rgba(99,102,241,0.08) 0%, rgba(118,75,162,0.08) 100%);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 12px 16px;
  color: var(--text);
  font-size: 15px;
  margin: 0 0 24px;
}
.intro-page h3 { margin-top: 28px; }
.intro-list { padding-left: 20px; }
.intro-list li { margin-bottom: 10px; line-height: 1.7; }
.intro-actions { margin-top: 28px; display: flex; gap: 12px; }

.btn-large {
  padding: 12px 28px;
  font-size: 16px;
}

/* 侧边栏日历 */
.calendar-widget {
  margin-top: 24px;
  padding: 16px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-weight: 600;
}
.calendar-weekdays {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  text-align: center;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.calendar-days {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.calendar-day {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  cursor: pointer;
  font-size: 12px;
  position: relative;
  transition: background .15s;
}
.calendar-day:hover { background: #f0f4f8; }
.calendar-day.out-month { color: #c0c4cc; cursor: default; }
.calendar-day:not(.has-article):not(.has-event):not(.out-month) { cursor: default; }
.calendar-day:not(.has-article):not(.has-event):not(.out-month):hover { background: transparent; }
.calendar-day.today { background: #e8f4ff; font-weight: bold; color: var(--primary); }
.calendar-day-num { line-height: 1; }
.calendar-dots {
  display: flex;
  gap: 3px;
  margin-top: 2px;
  height: 5px;
  align-items: center;
  justify-content: center;
}
.calendar-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}
.calendar-dot.event { background: #e74c3c; }
.calendar-dot.article { background: #27ae60; }
.calendar-countdowns {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.calendar-countdown {
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.calendar-countdown strong { color: var(--primary); }

/* 日期详情页 */
.day-event-list { padding-left: 20px; }
.day-event-list li { margin-bottom: 8px; }

/* 登录 */
.login-box { max-width: 360px; margin: 80px auto; }

/* 消息 */
.toast {
  position: fixed; top: 20px; right: 20px; z-index: 100;
  padding: 12px 18px; border-radius: var(--radius); color: #fff; box-shadow: var(--shadow);
}
.toast.success { background: #27ae60; }
.toast.error { background: #c0392b; }

/* 移动端头部菜单 */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  gap: 6px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  margin-left: 12px;
}
.mobile-menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .2s ease, opacity .2s ease;
}
.app-header.menu-open .mobile-menu-toggle span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.app-header.menu-open .mobile-menu-toggle span:nth-child(2) {
  opacity: 0;
}
.app-header.menu-open .mobile-menu-toggle span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}
.mobile-nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  padding: 8px 0;
  z-index: 9;
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
}
.mobile-nav.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.mobile-nav a {
  display: block;
  padding: 12px 24px;
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  border-bottom: 1px solid transparent;
}
.mobile-nav a:hover {
  color: var(--primary);
  text-decoration: none;
  background: #f5f7fa;
}
.app-header.floating .mobile-menu-toggle { border-color: rgba(255,255,255,0.35); }
.app-header.floating .mobile-menu-toggle span { background: rgba(255,255,255,0.9); }
.app-header.floating .mobile-nav {
  background: rgba(0, 0, 0, 0.45);
  border-bottom: 1px solid rgba(255,255,255,0.15);
}
.app-header.floating .mobile-nav a {
  color: rgba(255,255,255,0.9);
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
}
.app-header.floating .mobile-nav a:hover {
  color: #fff;
  background: rgba(255,255,255,0.12);
}

/* 响应式 */
@media (max-width: 860px) {
  .app-header { padding: 0 16px; }
  .brand { gap: 8px; }
  .brand h1 { font-size: 22px; }
  .brand-logo { width: 32px; height: 32px; }
  .brand-slogan { display: none; }
  .top-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .mobile-nav { display: flex; }
  .header-actions { margin-left: auto; }
  .sidebar { display: none; }
  .editor-panes { grid-template-columns: 1fr; }
  .editor-panes textarea { border-right: none; border-bottom: 1px solid var(--border); min-height: 300px; }
  .editor-preview { min-height: 300px; }
}

/* 动态效果 */
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes shimmer {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
@keyframes breathe {
  0%, 100% { box-shadow: 0 0 6px rgba(102, 126, 234, 0.35); }
  50% { box-shadow: 0 0 18px rgba(118, 75, 162, 0.55); }
}

/* 输入框聚焦光晕 */
input:focus, textarea:focus, select:focus {
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

/* 链接微动效 */
a {
  transition: color .15s ease;
}

/* 标签微立体 */
.tag {
  box-shadow: 0 2px 5px rgba(0,0,0,0.04);
  transition: transform .15s ease, box-shadow .15s ease;
}
.tag:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 10px rgba(0,0,0,0.08);
}

/* 首页全屏背景时，顶部/底部浮在图片上 */
.app-header.floating {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.15);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: none;
}
.app-header.floating .top-nav a,
.app-header.floating .user-menu-toggle,
.app-header.floating .brand span {
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
}
.app-header.floating .top-nav a:hover {
  color: #fff;
  border-bottom-color: rgba(255, 255, 255, 0.8);
}
.app-header.floating .user-menu-toggle {
  border-color: rgba(255, 255, 255, 0.35);
}
.app-footer.floating {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.85);
  text-shadow: 0 1px 3px rgba(0,0,0,0.35);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}