/* Dove default styles: clean, responsive, dark-mode friendly */
:root {
  --bg: #0b0c0f;
  --panel: #0f1218;
  --text: #f5f7fa;
  --muted: #a8b3c1;
  --border: #222634;
  --brand: #f45d22; /* brand orange */
  --brand-2: #ff7a45; /* gradient */
  --ring: rgba(244,93,34,0.35);
  --shadow: 0 6px 18px rgba(0,0,0,0.35);
  /* note (warning) */
  --note-bg: rgba(255, 193, 7, 0.06); /* amber, lighter */
  --note-border: rgba(255, 193, 7, 0.22);
  --note-accent: #ffcc66;
  /* background controls */
  --bg-blur: 12px;
  --bg-overlay: 0.3;
  --bg-quality: high; /* 设备相关的背景质量设置 */
  
  /* 设备类型相关变量 */
  --device-mobile: false;
  --device-tablet: false;
  --device-touch: false;
  --device-highdpi: false;
}

/* 添加设备类型相关的CSS变量 */
body.device-mobile {
  --device-mobile: true;
  --bg-quality: low;
}

body.device-tablet {
  --device-tablet: true;
  --bg-quality: medium;
}

body.device-touch {
  --device-touch: true;
}

body.device-highdpi {
  --device-highdpi: true;
}

/* 性能模式优化 */
body.performance-mode {
  --bg-blur: 6px; /* 降低模糊值以提高性能 */
  --transition-speed: 0.1s; /* 加快过渡速度 */
}

/* 高DPI屏幕适配 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  body:not(.performance-mode) {
    --bg-quality: high;
  }
}

/* 触摸设备样式优化 */
body.device-touch {
  /* 增加触摸目标大小 */
  .btn, .cat-item {
    min-height: 44px;
    min-width: 44px;
  }
  
  /* 禁用悬停效果 */
  .card:hover, .list-item:hover {
    transform: none;
    box-shadow: none;
  }
  
  /* 调整过渡时间 */
  .card, .list-item, .cat-item {
    transition: all 0.15s ease-out;
  }
}

body.theme-light { --bg:#ffffff; --panel:#ffffff; --text:#0b0c0f; --muted:#a8b3c1; --border:#e6e8eb; --brand:#f45d22; --brand-2:#ff8a4d; --ring:rgba(244,93,34,0.25); --note-bg: rgba(255,193,7,0.10); --note-border: rgba(255,193,7,0.28); --note-accent:#ffb84d; }
@media (prefers-color-scheme: light) { body.theme-auto { --bg:#ffffff; --panel:#ffffff; --text:#0b0c0f; --muted:#a8b3c1; --border:#e6e8eb; --brand:#f45d22; --brand-2:#ff8a4d; --ring:rgba(244,93,34,0.25); --note-bg: rgba(255,193,7,0.10); --note-border: rgba(255,193,7,0.28); --note-accent:#ffb84d; } }

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 400 16px/1.6 system-ui, -apple-system, Segoe UI, Roboto, Noto Sans, Ubuntu, Cantarell, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; }
a { color: inherit; text-decoration: none; }
a:hover { text-decoration: none; }

/* Fullscreen background image layer */
.bg-layer { position: fixed; inset: 0; z-index: -1; background-color: #0b0c0f; background-position: center; background-size: cover; background-repeat: no-repeat; transition: opacity .4s ease; opacity: 1; filter: blur(var(--bg-blur, 12px)) brightness(0.7) saturate(0.9); transform: scale(1.06); will-change: opacity, transform, filter; backface-visibility: hidden; }
.bg-layer.fade { opacity: 0; }
.bg-layer::after { content:""; position:absolute; inset:0; background: linear-gradient(180deg, rgba(0,0,0,var(--bg-overlay)), rgba(0,0,0,var(--bg-overlay))); }
body.theme-light .bg-layer::after { background: linear-gradient(180deg, rgba(255,255,255,var(--bg-overlay-light)), rgba(255,255,255,var(--bg-overlay-light))); }

.hero { background: none; padding: 10px 0; }
.hero-inner { max-width: 1100px; margin: 0 auto; padding: 0 16px; display:flex; align-items:center; justify-content: center; gap:16px; position: relative; flex-direction: column; }
.top-actions { position: absolute; right: 12px; top: 8px; display:flex; align-items:center; gap:8px; z-index: 1000; flex-wrap: nowrap; }
.top-actions .btn { padding: 6px 10px; font-size: 12px; border-radius: 999px; background: transparent; color: var(--muted); border: none; box-shadow: none; }
.top-actions .btn:hover { color: #fff; background: rgba(255,255,255,0.04); border: none; }
.top-actions .btn:active { transform: scale(0.95); }
.top-actions .top-link { display:inline-flex; align-items:center; justify-content:center; font-size: 13px; color: var(--muted); padding: 6px 10px; border-radius: 999px; border: 1px solid transparent; background: transparent; white-space: nowrap; line-height: 1; }
.top-actions .top-link:active { transform: scale(0.97); }
.top-actions .top-link:hover { color: var(--text); background: rgba(255,255,255,0.04); }
/* Background interval selector, compact */
.top-actions .bg-select { padding: 6px 10px; font-size: 12px; border-radius: 999px; background: transparent; color: var(--muted); border: none; box-shadow: none; }
.top-actions .bg-select:hover { color: var(--text); background: rgba(255,255,255,0.04); }

/* Force white text for key UI over background */
.top-actions .btn, .top-actions .top-link, .top-actions .bg-select { color: #fff; border-color: transparent; }
.top-actions .top-link:hover, .top-actions .bg-select:hover { color: #fff; }
/* Simple navbar for detail page */
.navbar { border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1100px; margin: 0 auto; padding: 8px 16px; display:flex; align-items:center; gap:10px; flex-wrap: wrap; }
.nav-cats { display:flex; align-items:center; gap:8px; flex-wrap: wrap; }
.nav-cat { color: var(--muted); font-size: 13px; padding: 4px 8px; border: none; border-radius: 999px; background: transparent; }
.nav-cat:hover { color: var(--text); background: rgba(255,255,255,0.06); }
/* Remove borders for buttons inside the detail navbar to keep it clean */
.navbar .btn.ghost { border-color: transparent; box-shadow: none; background: transparent; }
.navbar .btn.ghost:hover { border-color: transparent; background: rgba(255,255,255,0.06); }
/* Spacing between navbar and content on detail page */
.page-detail .navbar { margin-bottom: 14px; }
/* Header actions inside card */
.head-split { display:flex; align-items:center; justify-content: space-between; gap: 12px; }
.head-left { display:flex; align-items:center; gap:10px; min-width: 0; }
.head-left .title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.header-actions { display:flex; align-items:center; gap:8px; flex-wrap: nowrap; }
.detail-header .card-head { margin: 10px 0; }
@media (max-width: 600px){
  .header-actions { gap:6px; }
  /* Stack actions below title on detail view for mobile */
  .detail-header .head-split { flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 8px; }
  .detail-header .header-actions { flex-wrap: wrap; margin-top: 50px; }
  .detail-header .card-head { margin-bottom: 10px; }
}
.hero-center { display:flex; flex-direction:column; align-items:center; gap:6px; }
.clock { font-size: 56px; font-weight: 700; letter-spacing: 1px; line-height: 1; font-variant-numeric: tabular-nums lining-nums; font-feature-settings: 'tnum' 1, 'lnum' 1; color: #fff; }
.clock, .clock-date { text-shadow: 0 2px 8px rgba(0,0,0,0.45); }
.clock-date { color: #fff; font-size: 14px; }
body.theme-light .clock, body.theme-light .clock-date { text-shadow: 0 1px 6px rgba(0,0,0,0.18); }
.clock-date:hover { color: #fff; }

/* Auto tone overrides (only affect hero and top actions for readability over background) */
body[data-img-tone="light"] .hero,
body[data-img-tone="light"] .top-actions { --text:#0b0c0f; --muted:#516173; --border:#e6e8eb; }
body[data-img-tone="dark"] .hero,
body[data-img-tone="dark"] .top-actions { --text:#f5f7fa; --muted:#a8b3c1; --border:#222634; }
body[data-img-tone="light"] .clock, body[data-img-tone="light"] .clock-date { text-shadow: 0 1px 6px rgba(255,255,255,0.35); }
.clock-date:hover { color: #fff; }
/* blinking colon */
.clock-colon { display:inline-block; width:.65ch; text-align:center; transition: opacity .15s ease; position: relative; top: -0.1em; }
.clock-colon.off { opacity: 0; }
@media (max-width: 520px) { .clock { font-size: 42px; } }
.actions { display: flex; gap: 10px; align-items: center; }
.searchbar { display:flex; gap:10px; align-items:center; flex-wrap: wrap; }
.engine-select { appearance: none; -webkit-appearance: none; padding: 10px 14px; border-radius: 999px; background: var(--panel); color: var(--text); border: 1px solid var(--border); }
.engine-select:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring); outline: none; }
.engine { position: relative; }
.engine-menu { position: absolute; top: 120%; right: 0; min-width: 180px; margin: 4px 0 0; padding: 6px; list-style: none; background: var(--panel); border: none; border-radius: 12px; box-shadow: var(--shadow); z-index: 2500; }
.engine-menu li { display:flex; align-items:center; gap:8px; padding:8px 10px; border-radius: 8px; cursor: pointer; }
.engine-menu li:hover, .engine-menu li:focus { background: rgba(255,255,255,0.06); outline: none; }
.engine-icon { width:16px; height:16px; border-radius: 50%; }
/* Engine menu: prevent overflow on small screens */
.engine-menu { max-height: 60vh; overflow: auto; max-width: 92vw; }
.search { width: min(420px, 60vw); padding: 12px 14px; border-radius: 999px; border: 1px solid var(--border); outline: none; background: var(--panel); color: var(--text); caret-color: var(--text); box-shadow: inset 0 1px 0 rgba(255,255,255,0.02); }
.search::placeholder { color: var(--muted); opacity: 1; }
.search::-webkit-input-placeholder { color: var(--muted); }
.search::-moz-placeholder { color: var(--muted); }
.search:-ms-input-placeholder { color: var(--muted); }
.search::-ms-input-placeholder { color: var(--muted); }
.search:focus { border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring), inset 0 1px 0 rgba(255,255,255,0.04); }
.btn { padding: 10px 14px; border-radius: 999px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); border: 1px solid rgba(255,255,255,0.08); color: #fff; cursor: pointer; box-shadow: var(--shadow); }
.btn:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--border); box-shadow: none; }
.btn.ghost:hover { border-color: var(--brand); }

/* Unified search box (grid layout to avoid overlaps) */
.searchbox { position: relative; display:grid; grid-template-columns: 24px 1fr auto auto; align-items:center; column-gap:10px; width: min(680px, 80vw); background: var(--panel); border: none; border-radius: 999px; padding: 8px 12px; box-shadow: inset 0 1px 0 rgba(255,255,255,0.02); }
.searchbox:focus-within { border-color: var(--brand); box-shadow: 0 0 0 3px var(--ring), inset 0 1px 0 rgba(255,255,255,0.04); }
.sb-icon { color: var(--muted); text-align:center; }
.sb-input { width:100%; border:none; outline:none; background: transparent; color: var(--text); caret-color: var(--text); padding: 6px 0; }
.sb-input::placeholder { color: var(--muted); opacity: 1; }
.sb-input::-webkit-input-placeholder { color: var(--muted); }
.sb-input::-moz-placeholder { color: var(--muted); }
.sb-input:-ms-input-placeholder { color: var(--muted); }
.sb-input::-ms-input-placeholder { color: var(--muted); }
.searchbox .sb-input:focus { outline: none; box-shadow: none !important; }
.sb-engine { position: relative; }
.sb-engine-btn { padding: 6px 10px; border-radius: 999px; background: transparent; color: var(--muted); border: 1px solid transparent; cursor: pointer; max-width: 160px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sb-engine-btn:hover { background: rgba(255,255,255,0.04); border-color: var(--border); }
.sb-action { width: 28px; height: 28px; border-radius: 50%; border: none; background: transparent; color: var(--muted); cursor: pointer; }
.sb-action:hover { color: var(--text); background: rgba(255,255,255,0.06); }
.sb-action:active { transform: scale(0.98); }
.sb-engine .engine-menu { position: absolute; top: 120%; right: 0; }

.container { max-width: 1080px; margin: 0 auto; padding: 0 16px 10px; }
.appwrap { display:flex; align-items:flex-start; gap: 16px; }
.sidebar { position: sticky; top: 12px; min-width: 160px; padding-top: 6px; }
.cats { list-style: none; margin: 0; padding: 0; display:flex; flex-direction: column; gap:6px; }
.cat-item { display:flex; align-items:center; padding: 8px 10px; border-radius: 8px; color: var(--muted); cursor: pointer; border: 1px solid transparent; line-height: 1; }
.cat-item:hover, .cat-item:focus { background: rgba(255,255,255,0.04); color: var(--text); outline: none; }

.link-preview {
  position: fixed;
  top: 0;
  left: 0;
  width: min(360px, 85vw);
  max-height: 260px;
  overflow: hidden;
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translate3d(-9999px, -9999px, 0);
  transition: opacity .18s ease;
  pointer-events: none;
  z-index: 2600;
}

.link-preview.is-visible {
  opacity: 1;
}

.link-preview-title {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}

.link-preview-desc {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.link-preview-meta {
  margin-top: 8px;
  font-size: 12px;
  color: var(--muted);
  opacity: 0.75;
  overflow-wrap: anywhere;
}

@media (max-width: 720px) {
  .link-preview {
    width: min(360px, 92vw);
  }
}
.cat-item.active { background: rgba(244,93,34,0.12); color: #ffb08f; border-color: rgba(244,93,34,0.25); }

/* Sidebar: make labels white and borders invisible */
.sidebar, .cats, .cat-item { color: #fff; }
.cat-item { border-color: transparent; }
.cat-item:hover, .cat-item:focus { color: #fff; }
.content { flex:1; }
.group { margin: 18px 0 8px; }
.group-title { font-size: 12px; font-weight: 500; color: var(--muted); margin: 10px 2px 6px; letter-spacing: 0.2px; text-transform: uppercase; }
/* Group title: force white over background */
.group-title { color: rgba(255, 255, 255, 0.7); }

/* Compact mode group title enhancement */
.grid.compact ~ .grid.compact .group-title {
  margin-top: 24px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.grid.compact { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); }
@media (max-width: 900px) {
  .appwrap { flex-direction: column; align-items: stretch; }
  .content { width: 100%; }
  .sidebar { position: static; overflow-x: auto; white-space: nowrap; }
  .cats { flex-direction: row; gap: 8px; }
  .cat-item { display: inline-flex; align-items: center; justify-content: center; }
}

/* Standard mode card layout */
.display-standard .grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.display-standard .card {
  display: block;
  height: 100%;
}

.display-standard .card-head {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.display-standard .card-content {
  display: flex;
  flex-direction: column;
  min-width: 0;
  flex: 1;
}

.display-standard .card .title {
  font-weight: 700;
  color: var(--text);
  font-size: 17px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
}

.display-standard .card .desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 4px;
}

.card { display: block; text-decoration: none; color: inherit; background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel); border: none; border-radius: 14px; padding: 14px; transition: border-color .2s ease, transform .15s ease, box-shadow .15s ease; box-shadow: 0 1px 0 rgba(255,255,255,0.03); }
.card:hover { border-color: var(--brand); transform: translateY(-2px); box-shadow: 0 10px 24px rgba(244,93,34,0.18); }
.card:active { transform: translateY(0); }
.card-head { display:flex; align-items:center; gap:12px; margin: 5px 0; }
.card .icon { width: 32px; height: 32px; opacity: .9; flex-shrink: 0; }
.card-content { flex: 1; min-width: 0; }
.card .title { font-weight: 600; font-size: 15px; margin: 0; flex-shrink: 0; }
.card .desc { color: var(--muted); font-size: 13px; margin-top: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.card .meta { color: var(--muted); font-size: 12px; margin-top: 8px; }
.chip { display:inline-block; padding:2px 8px; border-radius:999px; font-size:12px; background: rgba(244,93,34,0.10); color:#ffb08f; border: 1px solid rgba(244,93,34,0.28); }

.site-footer { max-width:1080px; margin: 10px auto; padding: 0 16px; color: var(--muted); font-size: 12px; }
.site-footer a { color: var(--muted); text-decoration: none; }
.site-footer a:hover { color: var(--brand); }

/* NTP layout */
body.layout-ntp .hero { padding: 168px 0 28px; }
body.layout-ntp .hero-inner { flex-direction: column; align-items: center; gap: 16px; text-align: center; }
body.layout-ntp .brand { justify-content: center; }
body.layout-ntp .actions { margin-left: 0; flex-wrap: wrap; justify-content: center; }
body.layout-ntp .searchbox { width: min(680px, 80vw); }

/* Better focus */
a:focus { outline: none; box-shadow: 0 0 0 3px var(--ring); border-radius: 10px; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); }
.risk-low { background: rgba(40, 167, 69, 0.12); color: #8cd9a9; border-color: rgba(40,167,69,0.35); }
.risk-medium { background: rgba(255, 193, 7, 0.12); color: #ffd36a; border-color: rgba(255,193,7,0.35); }
.risk-high { background: rgba(220, 53, 69, 0.12); color: #ff9aa6; border-color: rgba(220,53,69,0.35); }
.tile .card-head { gap: 12px; padding: 5px 0; }
.tile .icon { width: 32px; height: 32px; border-radius: 50%; background: rgba(255,255,255,0.06); padding: 6px; }
.tile .title { font-size: 15px; font-weight: 600; }
.tile .desc { margin-top: 4px; }

/* Compact grid: tighter spacing, no desc */
.grid.compact { gap: 12px; }
.card.tile.compact { padding: 10px 12px; }
.card.tile.compact .desc { display: none; }

/* Compact mode: icon above text (app-like) */
.card.tile.compact { 
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 6px 8px;
  position: relative;
}
.card.tile.compact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  opacity: 0;
  transition: opacity 0.2s ease;
  z-index: -1;
}
.card.tile.compact:hover::before {
  opacity: 1;
}
.card.tile.compact .card-head.compact { 
  flex-direction: column; 
  gap: 4px; 
  padding: 6px 0; 
  align-items: center; 
  text-align: center; 
}
.card.tile.compact .card-head.compact .icon { 
  width: 42px; 
  height: 42px; 
  border-radius: 10px; 
  background: rgba(255, 255, 255, 1);
  padding: 4px;
}
.card.tile.compact .card-head.compact .title { 
  font-size: 12px; 
  line-height: 1.3; 
  color: #ffffff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* List mode - Original version (backup) */
.list-original { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.list-original .list-item a { 
  display: flex; 
  align-items: center; 
  gap: 12px; 
  padding: 12px 16px; 
  border-radius: 12px; 
  border: 1px solid var(--border); 
  background: var(--panel); 
  text-decoration: none;
  transition: all 0.2s ease;
}
.list-original .list-item a:hover { 
  border-color: rgba(255,255,255,0.16); 
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  transform: translateY(-2px);
}
.list-original .list-icon { 
  width: 20px; 
  height: 20px; 
  border-radius: 6px; 
  opacity: .9; 
  flex-shrink: 0;
}
.list-original .list-content { 
  display: flex; 
  flex-direction: column; 
  min-width: 0; 
  flex: 1;
}
.list-original .list-title { 
  font-weight: 600; 
  color: var(--text);
  font-size: 15px;
}
.list-original .list-desc { 
  color: var(--muted); 
  font-size: 13px; 
  margin-top: 4px;
}

/* List mode - Two column grid layout */
.list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Keep single item lists from stretching across the full width */
.list > .list-item:only-child {
  width: min(100%, 520px);
  justify-self: start;
}

.list-item {
  border-radius: 12px;
  background: var(--panel);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1); 
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.list-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--brand), #ff8c6b);
  transform: scaleX(0);
  transition: transform 0.4s ease;
  transform-origin: left;
}

.list-item:hover { 
  border-color: rgba(255,255,255,0.15); 
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  transform: translateY(-3px);
}

.list-item:hover::before {
  transform: scaleX(1);
}

.list-item a { 
  display: flex; 
  flex-direction: row;
  align-items: center; 
  gap: 8px; 
  padding: 8px 12px; 
  text-decoration: none; 
  border-radius: 12px;
  position: relative;
  z-index: 1;
}

.list-icon { 
  width: 24px; 
  height: 24px; 
  border-radius: 6px; 
  flex-shrink: 0; 
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.05);
  padding: 2px;
  transition: all 0.3s ease;
}

.list-item:hover .list-icon {
  transform: scale(1.05) rotate(3deg);
  box-shadow: 0 6px 12px rgba(0,0,0,0.2);
}

/* Ensure content is in a single line */
.list-content {
  display: flex;
  flex-direction: row;
  align-items: center;
  min-width: 0;
  flex: 1;
  gap: 12px;
}

.list-title {
  font-weight: 700;
  color: var(--text);
  font-size: 17px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 0;
  margin: 0;
}

.list-desc {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex-shrink: 1;
}

/* Add a subtle separator between list items */
.list-item { 
  margin-bottom: 6px; 
}

/* Text mode */
.text-list { display: flex; flex-direction: column; gap: 4px; }
.text-row { color: var(--text); font-size: 14px; }
.text-title { font-weight: 600; }
.text-url { color: #ffffff; text-decoration: none; }
.text-url:hover { text-decoration: underline; }
.text-sep { color: var(--muted); }

/* Detail page layout - single column (no sidebar) */
.detail-layout { display: grid; grid-template-columns: 1fr; gap: 16px; align-items: start; }
@media (max-width: 980px){ .detail-layout { grid-template-columns: 1fr; } }
.detail-main { min-width: 0; }
.detail-header { padding: 0; margin-bottom: 16px; }
.meta-row { display:flex; gap:10px; align-items:center; flex-wrap: wrap; color: var(--muted); font-size: 13px; margin: 4px 0 12px; }

/* Limit the size of icons in the detail page header */
.detail-header .icon {
  max-width: 48px;
  max-height: 48px;
  width: auto;
  height: auto;
}
.tldr { display:flex; gap:8px; align-items:flex-start; background: rgba(255,255,255,0.04); border:1px solid var(--border); border-radius: 12px; padding: 10px 12px; margin-top: 6px; color: var(--text); }
.tldr strong { font-size: 12px; color: #ffb08f; letter-spacing: .2px; }
.actions-row { display:flex; gap:8px; flex-wrap: wrap; margin-top: 10px; }
.btn.small { padding: 6px 10px; font-size: 12px; }
.detail-side { position: sticky; top: 12px; }
.side-block { margin-bottom: 12px; }
.side-title { font-size: 13px; color: var(--muted); margin-bottom: 8px; font-weight: 600; }

/* Extra spacing for inline side blocks on detail header */
.detail-header .side-block { margin-top: 12px; }
/* Detail header sticky-note style blocks (smaller font, warning note look) */
.detail-header .side-block {
  background: var(--note-bg);
  border: 1px solid var(--note-border);
  border-left: 4px solid var(--note-accent);
  border-radius: 12px;
  padding: 10px 12px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.08);
  font-size: 13px;
}
.detail-header #cdWrap { padding: 10px 0px 0; }
.detail-header .side-block .side-title:not(:first-child){ margin-top: 8px; }
.detail-header .side-block .side-title {
  margin: 0 0 6px;
  color: var(--note-accent);
  font-size: 12px;
  letter-spacing: .2px;
}
.detail-header .side-block .meta,
.detail-header .side-block .desc,
.detail-header .side-block ul,
.detail-header .side-block li {
  font-size: 13px;
}
.detail-header .side-block .desc ul { padding-left: 1.2em; }
.detail-header .side-block code { background: rgba(0,0,0,0.10); }
/* Spacing between header and body on detail page */
.detail-body-wrap { margin-top: 10px; }

/* Long URL wrapping in meta lines */
.card .meta code { word-break: break-all; }
/* Also apply wrapping when not using card frames (detail page) */
.meta code { word-break: break-all; }

/* Prose typography */
.prose { color: var(--text); font-size: 16px; line-height: 1.75; max-width: 100%; }
.prose { word-wrap: break-word; overflow-wrap: anywhere; }
.prose h1, .prose h2, .prose h3, .prose h4 { line-height: 1.3; margin: 1.2em 0 .6em; }
.prose h2 { font-size: 18px; font-weight: 600; color: var(--muted); margin: 0.8em 0 0.4em; }
.prose h3 { font-size: 18px; }
.prose p { margin: .8em 0; }
.prose ul, .prose ol { padding-left: 1.2em; margin: .8em 0; }
.prose li { margin: .3em 0; }
.prose code { background: rgba(255,255,255,0.06); padding: 2px 6px; border-radius: 6px; font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; font-size: .92em; }
.prose code { word-break: break-all; white-space: normal; }
.prose pre { background: rgba(255,255,255,0.06); padding: 10px 12px; border-radius: 10px; overflow: auto; }
.prose blockquote { margin: 1em 0; padding: .1em 1em; border-left: 3px solid var(--border); color: var(--muted); }
.prose a { color: #ffb08f; text-decoration: none; }
.prose a:hover { text-decoration: underline; }

/* Touch devices: avoid hover lift that can jitter */
@media (hover: none) {
  .card:hover { transform: none; box-shadow: 0 1px 0 rgba(255,255,255,0.03); }
}

/* Mobile tweaks */
@media (max-width: 768px) {
  .hero { padding: 20px 0 12px; }
  .hero-inner { padding: 0 12px; }
  .searchbox { width: 92vw; grid-template-columns: 18px minmax(0, 1fr) max-content max-content; column-gap: 8px; }
  .sb-icon { font-size: 14px; }
  .sb-input { font-size: 16px; /* Prevent zoom on iOS */ }
  .sb-engine-btn { max-width: 100px; font-size: 13px; padding: 6px 8px; }
  .sb-action { width: 24px; height: 24px; }
  .grid { gap: 10px; }
  .grid.compact { gap: 8px; }
  .card { padding: 12px; }
  .card-head { margin-bottom: 4px; gap: 8px; }
  .card .icon { width: 36px; height: 36px; }
  .card .title { font-size: 14px; flex-shrink: 0; }
  .card .desc { font-size: 12px; margin-top: 3px; }
  .appwrap { gap: 12px; }
  .sidebar { padding-top: 0; min-width: auto; }
  .cats { gap: 6px; }
  .cat-item { padding: 6px 8px; font-size: 13px; }
  .group-title { font-size: 11px; margin: 8px 2px 4px; }
  .container { padding: 0 12px 10px; }
  .site-footer { padding: 0 12px; font-size: 11px; text-align: center; }
  .top-actions { right: 8px; top: 6px; gap: 6px; }
  .top-actions .btn, .top-actions .top-link, .top-actions .bg-select { padding: 4px 8px; font-size: 11px; }
  .navbar { padding: 6px 12px; }
  .nav-inner { padding: 6px 12px; }
  .nav-cat { padding: 4px 6px; font-size: 12px; }
  .detail-header .head-split { gap: 8px; }
  .header-actions { gap: 6px; }
  .btn.small { padding: 4px 8px; font-size: 11px; }
  .meta-row { gap: 6px; font-size: 12px; }
  .tldr { padding: 8px 10px; font-size: 12px; }
  .side-block { margin-bottom: 8px; }
  .side-title { font-size: 12px; margin-bottom: 6px; }
  .detail-body-wrap { margin-top: 8px; }
  .prose { font-size: 14px; }
  .prose h2 { font-size: 16px; }
  .prose h3 { font-size: 15px; }
  .prose code { font-size: .85em; padding: 1px 4px; }
  .prose pre { padding: 8px 10px; font-size: 13px; }
  /* Detail page adjustments */
  .detail-layout { gap: 12px; }
  .detail-header .card-head { padding: 8px 0; }
  .detail-header .side-block { padding: 8px 10px; }
  .detail-header .side-block .meta, 
  .detail-header .side-block .desc,
  .detail-header .side-block ul,
  .detail-header .side-block li { font-size: 12px; }
  /* List mode adjustments */
  .list { grid-template-columns: 1fr; gap: 6px; }
  .list-item a { gap: 6px; padding: 6px 10px; }
  .list-icon { width: 20px; height: 20px; }
  .list-title { font-size: 14px; }
  .list-desc { font-size: 12px; }
  /* Compact mode adjustments */
  .card.tile.compact { padding: 4px 6px; }
  .card.tile.compact .card-head.compact { gap: 3px; padding: 4px 0; }
  .card.tile.compact .card-head.compact .icon { width: 36px; height: 36px; }
  .card.tile.compact .card-head.compact .title { font-size: 11px; }
  /* Modal adjustments */
  .modal-card { width: min(300px, 92vw); }
}

@media (max-width: 480px) {
  .hero { padding: 16px 0 10px; }
  .clock { font-size: 36px; }
  .clock-date { font-size: 12px; }
  .searchbox { grid-template-columns: 16px minmax(0, 1fr) max-content max-content; column-gap: 6px; }
  .sb-icon { font-size: 12px; }
  .sb-input { font-size: 16px; }
  .sb-engine-btn { max-width: 80px; font-size: 12px; padding: 4px 6px; }
  .grid { gap: 8px; }
  .grid.compact { gap: 6px; }
  .card { padding: 10px; }
  .card-head { gap: 6px; }
  .card .icon { width: 32px; height: 32px; }
  .card .title { font-size: 13px; }
  .card .desc { font-size: 11px; }
  .appwrap { gap: 10px; flex-direction: column; }
  .sidebar { position: static; overflow-x: auto; white-space: nowrap; padding: 8px 0; }
  .cats { flex-direction: row; gap: 6px; }
  .cat-item { display: inline-flex; align-items: center; justify-content: center; padding: 4px 8px; font-size: 12px; }
  .group-title { font-size: 10px; margin: 6px 2px 3px; }
  .container { padding: 0 10px 8px; }
  .site-footer { padding: 0 10px; font-size: 10px; }
  .top-actions { right: 6px; top: 5px; gap: 4px; }
  .top-actions .btn, .top-actions .top-link, .top-actions .bg-select { padding: 3px 6px; font-size: 10px; }
  .navbar { padding: 5px 10px; }
  .nav-inner { padding: 5px 10px; gap: 5px; }
  .nav-cat { padding: 3px 5px; font-size: 11px; }
  .detail-header .head-split { flex-direction: column; align-items: flex-start; gap: 6px; }
  .header-actions { flex-wrap: wrap; margin-top: 40px; }
  .btn.small { padding: 3px 6px; font-size: 10px; }
  .meta-row { gap: 5px; font-size: 11px; }
  .tldr { padding: 6px 8px; font-size: 11px; }
  .side-block { margin-bottom: 6px; }
  .side-title { font-size: 11px; margin-bottom: 5px; }
  .detail-body-wrap { margin-top: 6px; }
  .prose { font-size: 13px; }
  .prose h2 { font-size: 15px; }
  .prose h3 { font-size: 14px; }
  .prose code { font-size: .8em; padding: 1px 3px; }
  .prose pre { padding: 6px 8px; font-size: 12px; }
  /* Detail page adjustments */
  .detail-layout { gap: 10px; }
  .detail-header .card-head { padding: 6px 0; }
  .detail-header .side-block { padding: 6px 8px; }
  .detail-header .side-block .meta, 
  .detail-header .side-block .desc,
  .detail-header .side-block ul,
  .detail-header .side-block li { font-size: 11px; }
  /* List mode adjustments */
  .list { gap: 5px; }
  .list-item a { gap: 5px; padding: 5px 8px; }
  .list-icon { width: 18px; height: 18px; }
  .list-title { font-size: 13px; }
  .list-desc { font-size: 11px; }
  /* Compact mode adjustments */
  .card.tile.compact { padding: 3px 5px; }
  .card.tile.compact .card-head.compact { gap: 2px; padding: 3px 0; }
  .card.tile.compact .card-head.compact .icon { width: 32px; height: 32px; }
  .card.tile.compact .card-head.compact .title { font-size: 10px; }
  /* Modal adjustments */
  .modal-card { width: min(260px, 92vw); }
  .engine-menu { min-width: 150px; }
  .engine-menu li { padding: 6px 8px; gap: 6px; }
  .engine-icon { width: 14px; height: 14px; }
}

/* Fix for iOS Safari bottom toolbar overlapping content */
@supports (padding-bottom: env(safe-area-inset-bottom)) {
  .site-footer {
    padding-bottom: calc(10px + env(safe-area-inset-bottom));
  }
}

/* Improved responsive grid for different screen sizes */
@media (min-width: 1200px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
  .grid.compact { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
}

@media (min-width: 769px) and (max-width: 1199px) {
  .grid { grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
  .grid.compact { grid-template-columns: repeat(auto-fill, minmax(85px, 1fr)); }
}

/* Better handling of text overflow on small screens */
@media (max-width: 576px) {
  .card .title, .list-title {
    white-space: normal;
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  
  .card .desc, .list-desc {
    white-space: normal;
    line-height: 1.4;
    max-height: 2.8em;
    overflow: hidden;
    text-overflow: ellipsis;
  }
}

/* Fix for high DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .card {
    border-radius: 16px;
  }
  .card-head .icon, .list-icon {
    border-radius: 10px;
  }
}

/* Improved focus states for accessibility */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .card:hover {
    transform: none;
  }
  
  .list-item:hover {
    transform: none;
  }
}

/* Dark mode improvements for mobile */
@media (prefers-color-scheme: dark) {
  .bg-layer {
    filter: blur(var(--bg-blur, 12px)) brightness(0.7) saturate(0.9);
  }
}

/* PC/Desktop enhancements */
@media (min-width: 1400px) {
  .container {
    max-width: 1200px;
  }
  
  .hero-inner {
    max-width: 1200px;
  }
  
  .nav-inner {
    max-width: 1200px;
  }
  
  /* Wider grid items on large screens */
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  }
  
  .grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  }
  
  /* Larger font sizes on large screens */
  .card .title {
    font-size: 18px;
  }
  
  .card .desc {
    font-size: 15px;
  }
  
  .list-title {
    font-size: 18px;
  }
  
  .list-desc {
    font-size: 15px;
  }
  
  /* Enhanced sidebar on large screens */
  .sidebar {
    min-width: 200px;
  }
  
  .cat-item {
    padding: 10px 12px;
    font-size: 14px;
  }
  
  /* Larger clock on large screens */
  .clock {
    font-size: 64px;
  }
  
  .clock-date {
    font-size: 16px;
  }
}

/* Ultra-wide screen support */
@media (min-width: 1800px) {
  .container {
    max-width: 1400px;
  }
  
  .hero-inner {
    max-width: 1400px;
  }
  
  .nav-inner {
    max-width: 1400px;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  }
  
  .grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  }
  
  /* Even larger font sizes */
  .card .title {
    font-size: 19px;
  }
  
  .card .desc {
    font-size: 16px;
  }
  
  .list-title {
    font-size: 19px;
  }
  
  .list-desc {
    font-size: 16px;
  }
  
  .sidebar {
    min-width: 220px;
  }
  
  .clock {
    font-size: 72px;
  }
  
  .clock-date {
    font-size: 18px;
  }
}

/* 4K/Ultra HD support */
@media (min-width: 2500px) {
  body {
    font-size: 18px;
  }
  
  .container {
    max-width: 1800px;
  }
  
  .hero-inner {
    max-width: 1800px;
  }
  
  .nav-inner {
    max-width: 1800px;
  }
  
  .grid {
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  }
  
  .grid.compact {
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  }
  
  .card {
    padding: 18px;
  }
  
  .card .title {
    font-size: 22px;
  }
  
  .card .desc {
    font-size: 18px;
  }
  
  .list-title {
    font-size: 22px;
  }
  
  .list-desc {
    font-size: 18px;
  }
  
  .sidebar {
    min-width: 260px;
  }
  
  .cat-item {
    padding: 12px 14px;
    font-size: 16px;
  }
  
  .clock {
    font-size: 86px;
  }
  
  .clock-date {
    font-size: 22px;
  }
  
  .searchbox {
    width: min(800px, 80vw);
  }
  
  .search {
    padding: 14px 16px;
    font-size: 18px;
  }
  
  .btn {
    padding: 12px 16px;
    font-size: 18px;
  }
  
  .group-title {
    font-size: 14px;
  }
}

/* High DPI display optimizations */
@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 144dpi) {
  /* Sharper icons on high DPI displays */
  .card-head .icon, .list-icon {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
  
  /* Smoother shadows on high DPI displays */
  .card {
    box-shadow: 0 2px 0 rgba(255,255,255,0.03);
  }
  
  .card:hover {
    box-shadow: 0 12px 28px rgba(244,93,34,0.22);
  }
  
  .list-item {
    box-shadow: 0 5px 14px rgba(0,0,0,0.1);
  }
  
  .list-item:hover {
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  }
}

/* Large touch devices (tablets) */
@media (min-width: 768px) and (max-width: 1024px) and (pointer: coarse) {
  /* Larger touch targets */
  .card {
    padding: 16px;
  }
  
  .card-head {
    gap: 14px;
  }
  
  .card .icon {
    width: 44px;
    height: 44px;
  }
  
  .card .title {
    font-size: 16px;
  }
  
  .card .desc {
    font-size: 14px;
  }
  
  .btn {
    padding: 12px 16px;
  }
  
  .cat-item {
    padding: 10px 12px;
  }
  
  .list-item a {
    padding: 12px 16px;
  }
  
  .list-icon {
    width: 28px;
    height: 28px;
  }
  
  .list-title {
    font-size: 16px;
  }
  
  .list-desc {
    font-size: 14px;
  }
}

/* Mouse device optimizations */
@media (pointer: fine) {
  /* Enable hover effects only for mouse devices */
  .card:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(244,93,34,0.22);
  }
  
  .list-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(0,0,0,0.18);
  }
  
  .cat-item:hover {
    background: rgba(255,255,255,0.06);
  }
  
  /* More subtle transitions for mouse devices */
  .card, .list-item, .cat-item {
    transition: all 0.25s cubic-bezier(0.23, 1, 0.32, 1);
  }
}

/* Touch device optimizations */
@media (pointer: coarse) {
  /* Disable hover effects on touch devices */
  .card:hover, .list-item:hover {
    transform: none;
  }
  
  /* Larger touch targets */
  .btn {
    min-height: 44px;
    min-width: 44px;
  }
  
  .cat-item {
    min-height: 44px;
  }
  
  /* Faster transitions for touch devices */
  .card, .list-item, .cat-item {
    transition: all 0.15s ease-out;
  }
}

/* Fix for Firefox flexbox issues */
@-moz-document url-prefix() {
  .appwrap {
    min-height: -moz-fit-content;
  }
  
  .card-content {
    min-width: 0;
  }
}

/* Fix for Safari flexbox issues */
@supports (-webkit-appearance: none) and (not (contain: paint)) {
  .appwrap {
    min-height: -webkit-fit-content;
  }
  
  .hero-center {
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
  }
  
  .card-head {
    -webkit-box-align: center;
    -webkit-align-items: center;
    align-items: center;
  }
}

/* Fix for Edge legacy grid issues */
@supports (-ms-ime-align: auto) {
  .grid {
    display: -ms-grid;
    -ms-grid-columns: 1fr 1fr 1fr;
  }
  
  .grid.compact {
    -ms-grid-columns: 1fr 1fr 1fr 1fr 1fr;
  }
  
  .list {
    display: -ms-grid;
    -ms-grid-columns: 1fr 1fr;
  }
}

/* Better handling of viewport units on mobile browsers */
@supports (height: 100dvh) {
  html, body {
    height: 100dvh;
  }
}

/* Fix for Chrome's address bar hiding on scroll */
@media screen and (max-width: 768px) {
  body.layout-ntp .hero {
    padding: 64px 0 16px;
  }
}

@media screen and (max-width: 768px) and (orientation: portrait) {
  .hero {
    min-height: auto;
  }
  
  body {
    min-height: -webkit-fill-available;
  }
}

/* Fix for iOS Safari input zooming */
@media screen and (-webkit-min-device-pixel-ratio: 2) and (max-width: 768px) {
  input[type="search"] {
    font-size: 16px;
  }
  
  select {
    font-size: 16px;
  }
}

/* Better handling of text rendering on different platforms */
@media screen and (-webkit-min-device-pixel-ratio: 2) {
  body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }
}

/* Fix for Windows High Contrast Mode */
@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  .card {
    border: 1px solid windowText;
  }
  
  .list-item {
    border: 1px solid windowText;
  }
  
  .btn {
    border: 1px solid windowText;
  }
  
  .cat-item {
    border: 1px solid windowText;
  }
}

/* Print styles */
@media print {
  .bg-layer {
    display: none;
  }
  
  .top-actions {
    display: none;
  }
  
  .sidebar {
    display: none;
  }
  
  .header-actions {
    display: none;
  }
  
  .site-footer {
    display: none;
  }
  
  body {
    background: #ffffff;
    color: #000000;
  }
  
  .card {
    border: 1px solid #000000;
    box-shadow: none;
    break-inside: avoid;
  }
  
  .list-item {
    border: 1px solid #000000;
    box-shadow: none;
    break-inside: avoid;
  }
  
  a {
    color: #000000;
    text-decoration: underline;
  }
}

/* Fix for orientation change on mobile devices */
@media screen and (orientation: landscape) and (max-height: 500px) {
  .hero {
    padding: 20px 0;
  }
  
  .clock {
    font-size: 42px;
  }
  
  .clock-date {
    font-size: 13px;
  }
  
  .searchbox {
    width: 70vw;
  }
  
  .appwrap {
    flex-direction: row;
  }
  
  .sidebar {
    position: sticky;
    top: 12px;
    overflow-x: hidden;
    white-space: normal;
  }
  
  .cats {
    flex-direction: column;
  }
  
  .cat-item {
    display: block;
  }
}

/* Better handling of foldable devices */
@supports (width: 100vw) and (height: 100vh) {
  @media screen and (min-width: 800px) and (max-width: 1200px) {
    .container {
      max-width: 100%;
    }
    
    .hero-inner {
      max-width: 100%;
    }
    
    .nav-inner {
      max-width: 100%;
    }
  }
}

/* Fix for Samsung Internet browser */
@supports (-webkit-appearance: none) and (stroke-color: transparent) {
  .card:hover {
    transform: translateY(0);
  }
  
  .list-item:hover {
    transform: translateY(0);
  }
}

/* Better handling of system font changes */
@media (prefers-contrast: high) {
  :root {
    --text: #000000;
    --bg: #ffffff;
    --panel: #f0f0f0;
    --muted: #666666;
    --border: #333333;
  }
  
  body.theme-light {
    --text: #000000;
    --bg: #ffffff;
    --panel: #f0f0f0;
    --muted: #666666;
    --border: #333333;
  }
  
  .card {
    border: 1px solid var(--border);
  }
  
  .list-item {
    border: 1px solid var(--border);
  }
}

@media (prefers-contrast: low) {
  :root {
    --text: #cccccc;
    --muted: #999999;
    --border: #444444;
  }
  
  body.theme-light {
    --text: #333333;
    --muted: #666666;
    --border: #cccccc;
  }
}

/* Fix for reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .clock-colon {
    animation: none;
  }
  
  .card, .list-item, .cat-item {
    transition: none;
  }
  
  .bg-layer {
    transition: none;
  }
  
  .toast {
    transition: none;
  }
  
  .modal {
    transition: none;
  }
}

/* Better handling of dark mode in different browsers */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0c0f;
    --panel: #0f1218;
    --text: #f5f7fa;
    --muted: #a8b3c1;
    --border: #222634;
  }
  
  .bg-layer {
    filter: blur(var(--bg-blur, 12px)) brightness(0.7) saturate(0.9);
  }
  
  .bg-layer::after {
    background: linear-gradient(180deg, rgba(0,0,0,var(--bg-overlay)), rgba(0,0,0,var(--bg-overlay)));
  }
}

/* Responsive images optimization */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.icon, .list-icon {
  max-width: 100%;
  height: auto;
  object-fit: contain;
}

/* Better handling of long words and URLs */
.card .title, .list-title {
  word-break: break-word;
  hyphens: auto;
}

.card .desc, .list-desc {
  word-break: break-word;
  hyphens: auto;
}

/* Fix for text overflow in small containers */
.group-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Better handling of form elements on mobile */
.searchbox, .search {
  -webkit-appearance: none;
  border-radius: 999px;
}

/* Fix for focus states on touch devices */
.btn:focus, .cat-item:focus, .search:focus, select:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* Better handling of scrollbars on different platforms */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0,0,0,0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(244,93,34,0.5);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--brand);
}

/* Custom scrollbar for Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(244,93,34,0.5) rgba(0,0,0,0.1);
}

/* Modal layout */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(8, 10, 16, 0.55);
  backdrop-filter: blur(12px);
  z-index: 3000;
  transition: opacity 0.2s ease;
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: min(320px, 92vw);
  max-height: 90vh;
  overflow-y: auto;
  margin: 0 auto;
  background: var(--panel);
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  box-shadow: 0 22px 48px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.04);
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
}

.modal .side-title {
  font-size: 14px;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.qr-box {
  padding: 12px;
  border-radius: 14px;
  background: rgba(255,255,255,0.05);
  border: 1px dashed rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

.qr-box #qrImg {
  width: 208px;
  height: 208px;
}

.modal .meta {
  color: var(--muted);
  font-size: 12px;
  text-align: center;
  word-break: break-all;
}

.modal-actions {
  margin-top: 12px;
  width: 100%;
  display: flex;
  justify-content: center;
  gap: 10px;
}

.modal-actions .btn {
  min-width: 104px;
}

@media (max-width: 480px) {
  .modal {
    padding: 16px;
  }
  .modal-card {
    width: min(280px, 92vw);
    padding: 18px 16px;
    gap: 12px;
  }
  .qr-box {
    padding: 10px;
  }
  .qr-box #qrImg {
    width: 176px;
    height: 176px;
  }
  .modal-actions .btn {
    min-width: 96px;
  }
}

/* Better handling of z-index layers */
.top-actions {
  z-index: 1000;
}

.toast {
  z-index: 2000;
}

/* Fix for background layer on different devices */
.bg-layer {
  -webkit-transform: translateZ(0);
  -moz-transform: translateZ(0);
  -ms-transform: translateZ(0);
  -o-transform: translateZ(0);
  transform: translateZ(0);
}

/* Better handling of CSS variables fallbacks */
.card {
  background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), var(--panel, #0f1218);
}

.card:hover {
  border-color: var(--brand, #f45d22);
}

/* Fix for grid layouts on older browsers */
@supports not (display: grid) {
  .grid {
    display: flex;
    flex-wrap: wrap;
  }
  
  .grid > * {
    flex: 1 1 260px;
    margin: 7px;
  }
  
  .grid.compact {
    display: flex;
    flex-wrap: wrap;
  }
  
  .grid.compact > * {
    flex: 1 1 80px;
    margin: 6px;
  }
  
  .list {
    display: flex;
    flex-wrap: wrap;
  }
  
  .list > * {
    flex: 1 1 300px;
    margin: 2.5px;
  }
}

/* Better handling of flexbox on older browsers */
@supports not (display: flex) {
  .appwrap {
    display: block;
  }
  
  .sidebar {
    float: left;
    width: 160px;
  }
  
  .content {
    margin-left: 176px;
  }
  
  .hero-center {
    text-align: center;
  }
  
  .card-head {
    display: table;
    width: 100%;
  }
  
  .card-head > * {
    display: table-cell;
    vertical-align: middle;
  }
}

/* Fix for CSS transitions on older browsers */
@supports not (transition: all 0.2s ease) {
  .card, .list-item, .cat-item {
    -webkit-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
  }
}

/* Better handling of CSS transforms on older browsers */
@supports not (transform: translateY(-2px)) {
  .card:hover {
    -webkit-transform: translateY(-2px);
    -moz-transform: translateY(-2px);
    -ms-transform: translateY(-2px);
    -o-transform: translateY(-2px);
  }
  
  .list-item:hover {
    -webkit-transform: translateY(-3px);
    -moz-transform: translateY(-3px);
    -ms-transform: translateY(-3px);
    -o-transform: translateY(-3px);
  }
}

/* Fix for CSS filters on older browsers */
@supports not (filter: blur(12px)) {
  .bg-layer {
    -webkit-filter: blur(12px);
    -moz-filter: blur(12px);
    -o-filter: blur(12px);
    -ms-filter: blur(12px);
  }
}

/* Better handling of CSS variables on older browsers */
@supports not (--custom-property: value) {
  .card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), #0f1218;
  }
  
  .card:hover {
    border-color: #f45d22;
  }
  
  body.theme-light .card {
    background: linear-gradient(180deg, rgba(255,255,255,0.02), transparent), #ffffff;
  }
}