:root{
  --fs:1;
  --fg:#fff;
  --fg-dim:rgba(255,255,255,.78);
  --glass:rgba(255,255,255,.14);
  --glass-strong:rgba(255,255,255,.24);
  --border:rgba(255,255,255,.28);
  --shadow:0 8px 32px rgba(0,0,0,.28);
  --radius:18px;
  --accent:#8ab6ff;
}
body.ink{
  /* 浅色背景时启用的深墨色文字 */
  --fg:#1c2333;
  --fg-dim:rgba(28,35,51,.68);
  --glass:rgba(255,255,255,.5);
  --glass-strong:rgba(255,255,255,.72);
  --border:rgba(255,255,255,.85);
  --shadow:0 8px 32px rgba(31,45,80,.18);
  --accent:#3b6bb5;
}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{font-size:calc(16px * var(--fs))}
html,body{height:100%;margin:0}
body{
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--fg);
  overflow-x:hidden;
}

/* 背景层 */
.bg{position:fixed;inset:0;z-index:-2;background:var(--bg,linear-gradient(135deg,#1e3a5f,#4a6fa5));transition:opacity .4s}
.bg.img{background-size:cover;background-position:center}
.bg.img::after{content:"";position:absolute;inset:0;background:rgba(10,15,25,.28)}
body.ink .bg.img::after{background:rgba(255,255,255,.18)}

/* 舞台 */
.stage{
  min-height:100%;
  max-width:920px;
  margin:0 auto;
  padding:clamp(44px,12vh,120px) 22px 70px;
  display:flex;flex-direction:column;align-items:center;gap:30px;
  animation:rise .5s ease-out both;
}
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

/* 时钟区 */
.hero{text-align:center;user-select:none;text-shadow:0 2px 16px rgba(0,0,0,.22)}
body.ink .hero{text-shadow:0 2px 12px rgba(255,255,255,.6)}
#clock{
  font-size:clamp(68px,13vw,104px);font-weight:180;letter-spacing:.03em;line-height:1.05;
  font-variant-numeric:tabular-nums;
}
#clock .sec{font-size:.38em;font-weight:300;opacity:.65;letter-spacing:0;margin-left:.12em;vertical-align:.42em}
.date{margin-top:8px;color:var(--fg-dim);font-size:1.08rem;font-weight:500}
.greet{margin-top:3px;color:var(--fg-dim);font-size:.95rem}

/* 搜索 */
.search{position:relative;width:min(600px,100%)}
#searchForm{display:flex}
#searchInput{
  flex:1;width:100%;
  padding:15px 20px 15px 104px;
  font-size:1.02rem;color:inherit;
  background:var(--glass);border:1px solid var(--border);border-radius:999px;
  outline:none;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  transition:background .25s,box-shadow .25s,transform .2s;
}
#searchInput::placeholder{color:var(--fg-dim)}
#searchInput:focus{background:var(--glass-strong);transform:translateY(-1px)}
.engine-btn{
  position:absolute;left:8px;top:50%;transform:translateY(-50%);z-index:2;
  display:flex;align-items:center;gap:6px;
  padding:9px 14px;border:0;border-radius:999px;cursor:pointer;
  background:rgba(255,255,255,.1);color:var(--fg);font-size:.92rem;font-weight:500;
}
body.ink .engine-btn{background:rgba(0,0,0,.06)}
.engine-btn:hover{background:var(--glass-strong)}
.engine-menu{
  position:absolute;top:calc(100% + 8px);left:0;z-index:20;
  margin:0;padding:6px;list-style:none;min-width:150px;
  background:var(--glass-strong);border:1px solid var(--border);border-radius:14px;
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);box-shadow:var(--shadow);
}
body.ink .engine-menu{background:#fff}
.engine-menu li{padding:9px 14px;border-radius:9px;cursor:pointer;font-size:.95rem}
.engine-menu li:hover{background:var(--glass)}
.engine-menu li.on{font-weight:600;color:var(--accent)}
.engine-menu li.on::after{content:" ✓"}

/* 导航宫格 */
.grid{
  width:100%;
  display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));
  gap:14px;
}
.ghead{
  grid-column:1/-1;
  display:flex;align-items:center;gap:10px;
  margin-top:22px;
  color:var(--fg);
  user-select:none;
}
.ghead::before{
  content:"";width:4px;height:18px;border-radius:2px;flex:none;
  background:linear-gradient(180deg,var(--accent),transparent);
}
.ghead .gname{font-size:1.06rem;font-weight:700;letter-spacing:.12em}
.ghead .gcount{font-size:.78rem;font-weight:400;color:var(--fg-dim);letter-spacing:.05em}
.ghead::after{
  content:"";flex:1;height:1px;
  background:linear-gradient(90deg,var(--border),transparent);
}
.ghead:first-child{margin-top:0}

.tile{
  position:relative;
  display:flex;flex-direction:column;align-items:center;gap:9px;
  padding:17px 6px 13px;
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  color:var(--fg);text-decoration:none;cursor:pointer;
  transition:transform .16s ease,background .25s,box-shadow .25s;
  user-select:none;
}
.tile:hover{
  transform:translateY(-4px);
  background:var(--glass-strong);
  box-shadow:0 12px 28px rgba(0,0,0,.22);
}
body.ink .tile:hover{box-shadow:0 12px 28px rgba(31,45,80,.2)}
.tile .ico{
  width:46px;height:46px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;font-weight:650;color:#fff;
  background:var(--c,#4a6fa5);
  box-shadow:0 4px 12px rgba(0,0,0,.2);
}
.tile .nm{font-size:.87rem;font-weight:500;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.tile.drag{opacity:.35}
.grid.manage .tile::after{content:"✎";position:absolute;top:5px;right:9px;font-size:.8rem;opacity:.75}
.add-tile{justify-content:center;min-height:92px;font-size:1.7rem;opacity:.8;border-style:dashed}
.add-tile:hover{opacity:1}

/* 齿轮 */
.gear{
  position:fixed;right:20px;top:20px;z-index:30;
  width:44px;height:44px;border-radius:50%;border:1px solid var(--border);
  background:var(--glass);color:var(--fg);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .3s,background .25s;
}
.gear:hover{transform:rotate(60deg);background:var(--glass-strong)}

/* 设置面板 */
.panel{
  position:fixed;right:0;top:0;z-index:40;height:100%;
  width:min(340px,92vw);padding:22px;overflow-y:auto;
  background:rgba(16,22,34,.86);color:#fff;
  border-left:1px solid var(--border);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  transform:translateX(105%);transition:transform .28s ease;
}
body.ink .panel{background:rgba(255,255,255,.92);color:#1c2333}
.panel.open{transform:none}
.panel::-webkit-scrollbar{width:6px}
.panel::-webkit-scrollbar-thumb{background:var(--glass-strong);border-radius:3px}
.panel h2{margin:0 0 18px;font-size:1.2rem;font-weight:700;letter-spacing:.06em}
.group{margin-bottom:20px}
.group>label{display:block;font-size:.8rem;opacity:.65;margin-bottom:8px;letter-spacing:.05em}
.row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.themes{display:flex;gap:9px;flex-wrap:wrap;margin-bottom:8px}
.swatch{width:36px;height:36px;border-radius:11px;border:2px solid transparent;cursor:pointer;transition:transform .15s}
.swatch:hover{transform:scale(1.1)}
.swatch.on{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.25)}
body.ink .swatch.on{border-color:#1c2333;box-shadow:0 0 0 2px rgba(28,35,51,.15)}
.panel input[type=text]{
  width:100%;padding:9px 12px;font-size:.9rem;color:inherit;
  background:var(--glass);border:1px solid var(--border);border-radius:10px;outline:none;
}
.panel select{
  padding:8px 10px;border-radius:10px;font-size:.9rem;color:inherit;
  background:var(--glass);border:1px solid var(--border);outline:none;
}
body.ink .panel select{background:#f2f4f8;color:#1c2333}
.panel select option{color:#111}
.btn{
  padding:8px 14px;border-radius:10px;cursor:pointer;font-size:.9rem;
  background:var(--glass);border:1px solid var(--border);color:inherit;
  transition:background .2s;
}
.btn:hover{background:var(--glass-strong)}
.btn.primary{background:#3b82f6;border-color:#3b82f6;color:#fff}
.btn.danger{background:rgba(239,68,68,.25);border-color:rgba(239,68,68,.5)}
.tip{font-size:.78rem;opacity:.6;line-height:1.6}
.tip b{word-break:break-all}

/* 弹窗 */
.modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;background:rgba(0,0,0,.5);animation:fade .2s both}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal-box{
  width:min(360px,92vw);padding:22px;border-radius:18px;
  background:rgba(20,26,40,.96);color:#fff;box-shadow:var(--shadow);
}
body.ink .modal-box{background:#fff;color:#1c2333}
.modal-box h3{margin:0 0 14px;font-size:1.08rem}
.modal-box label{display:block;font-size:.82rem;opacity:.7;margin-bottom:12px}
.modal-box input{
  display:block;width:100%;margin-top:5px;padding:10px 12px;font-size:.95rem;color:inherit;
  background:var(--glass);border:1px solid var(--border);border-radius:10px;outline:none;
}

@media (max-width:560px){
  .stage{padding-top:60px;gap:24px}
  .grid{grid-template-columns:repeat(4,1fr);gap:10px}
  .tile{padding:12px 4px 10px}
  .tile .ico{width:38px;height:38px;border-radius:11px;font-size:1.1rem}
  .tile .nm{font-size:.75rem}
  .ghead{margin-top:16px}
}