/* ============================================================
   起始页 · 样式
   ============================================================ */

:root{
  --bg:#060911;
  --text:#eef2f8;
  --text-dim:rgba(238,242,248,.60);
  --text-faint:rgba(238,242,248,.38);

  --glass:rgba(255,255,255,.065);
  --glass-hi:rgba(255,255,255,.11);
  --line:rgba(255,255,255,.10);
  --line-hi:rgba(255,255,255,.20);

  --accent:#a3e635;
  --accent-soft:rgba(163,230,53,.16);

  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --r-xl:28px;

  --shadow:0 18px 50px -18px rgba(0,0,0,.75);
  --ease:cubic-bezier(.22,.61,.36,1);

  --wall:none;
}

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

[hidden]{display:none!important}

html,body{height:100%}

body{
  background:var(--bg);
  color:var(--text);
  font-family:"Inter","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI Variable Text","Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei UI","Microsoft YaHei",system-ui,sans-serif;
  font-size:15px;
  line-height:1.6;
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}

svg{width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}

/* ---------- 背景 ---------- */

.aurora{
  position:fixed;inset:-20%;z-index:0;
  background:var(--wall);
  background-size:cover;background-position:center;
}
body.has-wallpaper .aurora{inset:0;background-image:var(--wall)}
body.has-wallpaper .blob{display:none}

.blob{
  position:absolute;display:block;border-radius:50%;
  filter:blur(90px);opacity:.55;
  will-change:transform;
}
.b1{
  width:52vw;height:52vw;top:-6vw;left:-4vw;
  background:radial-gradient(circle at 35% 35%,#3ddc84,rgba(61,220,132,0) 70%);
  animation:drift1 26s var(--ease) infinite alternate;
}
.b2{
  width:46vw;height:46vw;top:10vw;right:-8vw;
  background:radial-gradient(circle at 50% 50%,#4f7dff,rgba(79,125,255,0) 70%);
  opacity:.45;
  animation:drift2 32s var(--ease) infinite alternate;
}
.b3{
  width:40vw;height:40vw;bottom:-14vw;left:26vw;
  background:radial-gradient(circle at 50% 50%,var(--accent),rgba(163,230,53,0) 70%);
  opacity:.30;
  animation:drift3 29s var(--ease) infinite alternate;
}

@keyframes drift1{from{transform:translate3d(0,0,0) scale(1)}to{transform:translate3d(6vw,5vw,0) scale(1.15)}}
@keyframes drift2{from{transform:translate3d(0,0,0) scale(1.1)}to{transform:translate3d(-7vw,6vw,0) scale(.95)}}
@keyframes drift3{from{transform:translate3d(0,0,0) scale(.95)}to{transform:translate3d(-5vw,-6vw,0) scale(1.2)}}

.scrim{
  position:fixed;inset:0;z-index:1;pointer-events:none;
  background:
    radial-gradient(120% 90% at 50% 0%,rgba(6,9,17,.15) 0%,rgba(6,9,17,.62) 55%,rgba(6,9,17,.88) 100%),
    linear-gradient(to bottom,rgba(6,9,17,.45),rgba(6,9,17,.15) 30%,rgba(6,9,17,.55));
}

.grain{
  position:fixed;inset:0;z-index:2;pointer-events:none;opacity:.16;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  mix-blend-mode:overlay;
}

/* ---------- 布局 ---------- */

.stage{
  position:relative;z-index:3;
  height:100%;
  display:flex;flex-direction:column;
  padding:22px clamp(20px,4vw,54px) 16px;
  gap:16px;
}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:38px}
.topbar #btnAdmin{margin-left:auto}

.chip{
  display:inline-flex;align-items:center;gap:9px;
  height:38px;padding:0 14px;
  border:1px solid var(--line);border-radius:999px;
  background:var(--glass);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  font-size:13px;font-variant-numeric:tabular-nums;
  color:var(--text-dim);
  white-space:nowrap;
}
.weather .w-icon{width:19px;height:19px;color:var(--accent);flex:none}
.weather .w-temp{color:var(--text);font-weight:500}
.weather .w-sep{width:1px;height:13px;background:var(--line-hi)}

.icon-btn{
  display:grid;place-items:center;
  width:38px;height:38px;flex:none;
  border:1px solid var(--line);border-radius:50%;
  background:var(--glass);color:var(--text-dim);
  cursor:pointer;
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  transition:color .2s,background .2s,border-color .2s,transform .2s var(--ease);
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{color:var(--text);background:var(--glass-hi);border-color:var(--line-hi)}
.icon-btn:active{transform:scale(.94)}

/* ---------- 主视觉 ---------- */

.hero{
  flex:1 1 auto;min-height:0;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:6px;
}

.greeting{
  font-size:14px;letter-spacing:.16em;
  color:var(--text-faint);
  text-transform:uppercase;
  margin-bottom:6px;
}

.clock{
  font-size:clamp(56px,13vw,142px);
  font-weight:200;
  line-height:1;
  letter-spacing:-.035em;
  font-variant-numeric:tabular-nums;
  text-shadow:0 4px 40px rgba(0,0,0,.45);
}
.clock .meridiem{
  font-size:.28em;font-weight:400;
  letter-spacing:.06em;color:var(--text-dim);
  margin-left:.16em;vertical-align:.62em;
}

.date-line{
  font-size:14px;color:var(--text-dim);
  letter-spacing:.05em;
  margin-bottom:clamp(20px,3.5vh,38px);
  font-variant-numeric:tabular-nums;
}

/* ---------- 搜索 ---------- */

.search{
  position:relative;
  display:flex;align-items:center;
  width:min(660px,100%);
  height:60px;padding:0 8px;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  background:rgba(255,255,255,.075);
  backdrop-filter:blur(24px) saturate(160%);
  -webkit-backdrop-filter:blur(24px) saturate(160%);
  box-shadow:var(--shadow);
  transition:border-color .22s,background .22s,box-shadow .22s;
}
.search:focus-within{
  border-color:var(--line-hi);
  background:rgba(255,255,255,.11);
  box-shadow:var(--shadow),0 0 0 4px var(--accent-soft);
}

.engine-btn{
  display:flex;align-items:center;gap:8px;flex:none;
  height:44px;padding:0 10px 0 8px;
  border:0;border-radius:999px;
  background:transparent;color:var(--text-dim);
  font:inherit;font-size:13.5px;cursor:pointer;
  transition:background .2s,color .2s;
}
.engine-btn:hover{background:rgba(255,255,255,.09);color:var(--text)}
.engine-mark{
  width:24px;height:24px;flex:none;border-radius:8px;
  background:linear-gradient(135deg,var(--accent),#3ddc84);
  box-shadow:0 0 0 1px rgba(255,255,255,.10) inset;
}
.engine-btn .caret{width:13px;height:13px;opacity:.5;flex:none}

.search input{
  flex:1;min-width:0;height:100%;
  border:0;background:transparent;
  color:var(--text);font:inherit;font-size:16.5px;
  outline:none;
}
.search input::placeholder{color:var(--text-faint)}
.search input::-webkit-search-cancel-button{display:none}

.hint{
  flex:none;margin-right:12px;
  padding:3px 8px;
  border:1px solid var(--line);border-radius:7px;
  background:rgba(255,255,255,.05);
  font-size:12px;color:var(--text-faint);
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  transition:opacity .2s;
}
.search:focus-within .hint{opacity:0}

.engine-menu{
  position:absolute;top:calc(100% + 10px);left:0;z-index:20;
  min-width:210px;padding:7px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(14,18,28,.86);
  backdrop-filter:blur(26px) saturate(160%);
  -webkit-backdrop-filter:blur(26px) saturate(160%);
  box-shadow:var(--shadow);
  list-style:none;
  animation:pop .16s var(--ease);
}
@keyframes pop{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}

.engine-menu li{
  display:flex;align-items:center;gap:10px;
  padding:9px 11px;border-radius:9px;
  font-size:13.5px;color:var(--text-dim);
  cursor:pointer;
  transition:background .15s,color .15s;
}
.engine-menu li:hover{background:rgba(255,255,255,.07);color:var(--text)}
.engine-menu li[aria-selected="true"]{color:var(--text);background:var(--accent-soft)}
.engine-menu li[aria-selected="true"]::after{
  content:"";margin-left:auto;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}

/* ---------- 快捷方式 ---------- */

.groups{
  flex:0 1 auto;
  display:flex;flex-direction:column;
  gap:clamp(14px,2.2vh,24px);
  width:min(1080px,100%);
  margin:0 auto;
  overflow-y:auto;
  padding-bottom:2px;
  scrollbar-width:thin;
}
.groups::-webkit-scrollbar{width:8px}
.groups::-webkit-scrollbar-thumb{background:rgba(255,255,255,.12);border-radius:99px}

.group{display:flex;flex-direction:column;gap:9px;animation:rise .45s var(--ease) backwards}

.group-label{
  font-size:11.5px;
  letter-spacing:.18em;
  color:var(--text-faint);
  text-align:center;
  text-transform:uppercase;
}

.links{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(96px,1fr));
  gap:clamp(8px,1.4vw,18px);
}
.links:empty{display:none}

.link{
  display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:13px 6px 11px;
  border:1px solid transparent;border-radius:var(--r-md);
  text-decoration:none;color:var(--text-dim);
  transition:background .2s,border-color .2s,color .2s,transform .25s var(--ease);
}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

.link:hover{
  background:rgba(255,255,255,.07);
  border-color:var(--line);
  color:var(--text);
  transform:translateY(-3px);
}
.link:active{transform:translateY(-1px) scale(.98)}

.link-icon{
  display:grid;place-items:center;
  width:46px;height:46px;
  border-radius:15px;
  background:#232b3b;
  color:#070a12;
  font-size:19px;font-weight:600;letter-spacing:-.02em;
  box-shadow:0 8px 20px -10px rgba(0,0,0,.9),0 0 0 1px rgba(255,255,255,.10) inset;
  overflow:hidden;
  transition:transform .25s var(--ease);
}
.link:hover .link-icon{transform:scale(1.06)}
.link-icon img{width:26px;height:26px;object-fit:contain}

.link-name{
  font-size:12.5px;max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  text-align:center;
}

/* ---------- 底栏 ---------- */

.footbar{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:var(--text-faint);
  letter-spacing:.03em;
}
.footbar kbd{
  padding:2px 6px;border:1px solid var(--line);border-radius:6px;
  background:rgba(255,255,255,.05);
  font-family:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  font-size:11px;
}

/* ---------- Toast ---------- */

.toast{
  position:fixed;left:50%;bottom:34px;z-index:80;
  transform:translate(-50%,14px);
  padding:11px 20px;
  border:1px solid var(--line-hi);border-radius:999px;
  background:rgba(14,18,28,.94);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  color:var(--text);font-size:13.5px;
  box-shadow:var(--shadow);
  opacity:0;pointer-events:none;
  transition:opacity .25s,transform .25s var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 响应式 ---------- */

@media (max-width:760px){
  .stage{padding:16px 16px 14px;gap:12px}
  .links{grid-template-columns:repeat(auto-fit,minmax(78px,1fr));gap:6px}
  .link{padding:10px 4px 9px}
  .link-icon{width:42px;height:42px;border-radius:13px;font-size:17px}
  .link-name{font-size:11.5px}
  .search{height:54px;border-radius:var(--r-lg)}
  .engine-name{display:none}
  .foot-hint{display:none}
  .weather .w-city{display:none}
  .groups{max-height:50vh}
}

@media (max-width:420px){
  .clock{font-size:clamp(48px,19vw,78px)}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}