:root{
  --bg:#f5f3ee;
  --card:#ffffff;
  --text:#2b2b2b;
  --muted:#8a867d;
  --accent:#4a7dff;
  --radius:22px;
  --shadow:0 6px 24px rgba(0,0,0,.06);
  /* 图标尺寸三档（比截图大 3~5 倍区间） */
  --icon-s:96px;
  --icon-m:128px;
  --icon-l:168px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
}
.page{
  max-width:1200px;
  margin:0 auto;
  padding:48px 20px 80px;
}

/* ===== 登录页 ===== */
.auth-page{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
}
.auth-page[hidden]{display:none}
.auth-box{
  background:var(--card);border-radius:24px;padding:40px;width:100%;max-width:380px;
  box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;
}
.auth-title{font-size:22px;font-weight:700;text-align:center;margin-bottom:10px}
.auth-box input{
  padding:14px 16px;font-size:15px;border:1.5px solid #e5e1d8;border-radius:12px;
  outline:none;background:#fbfaf7;
}
.auth-box input:focus{border-color:var(--accent)}
.auth-btn{width:100%;padding:14px;font-size:15px}
.auth-error{color:#ff5a5a;font-size:13px;text-align:center}
.user-badge{font-size:13px;color:var(--muted);padding:0 4px}

/* ===== 搜索框 ===== */
.search-wrap{
  position:relative;
  max-width:640px;
  margin:0 auto 28px;
}
.search-wrap .search-icon{
  position:absolute;left:20px;top:50%;transform:translateY(-50%);
  width:20px;height:20px;color:var(--muted);
}
#searchInput{
  width:100%;
  padding:16px 24px 16px 52px;
  font-size:16px;
  border:none;border-radius:999px;
  background:var(--card);
  box-shadow:var(--shadow);
  outline:none;
  transition:box-shadow .2s;
}
#searchInput:focus{box-shadow:0 0 0 3px rgba(74,125,255,.25),var(--shadow)}

/* ===== 工具条 ===== */
.toolbar{
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:12px;margin-bottom:20px;
}
.toolbar-left{display:flex;gap:10px}
.toolbar-right{display:flex;align-items:center;gap:10px}
.size-label{font-size:13px;color:var(--muted)}
.size-switch{display:flex;background:var(--card);border-radius:999px;box-shadow:var(--shadow);overflow:hidden}
.size-switch button{
  border:none;background:transparent;padding:8px 16px;cursor:pointer;
  font-size:13px;color:var(--muted);
}
.size-switch button.active{background:var(--accent);color:#fff}

.btn{
  border:none;border-radius:12px;padding:10px 18px;font-size:14px;
  background:var(--card);color:var(--text);cursor:pointer;
  box-shadow:var(--shadow);transition:transform .1s,opacity .15s;
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--accent);color:#fff}
.btn.danger{background:#ff5a5a;color:#fff}

/* ===== 分类标签 ===== */
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.cat-tab{
  padding:8px 18px;border-radius:999px;background:var(--card);
  font-size:14px;color:var(--muted);cursor:pointer;
  box-shadow:var(--shadow);border:2px solid transparent;user-select:none;
}
.cat-tab.active{color:var(--accent);border-color:var(--accent);font-weight:600}

/* ===== 图标网格（自适应） ===== */
.grid{
  display:grid;
  gap:24px;
  justify-content:center;
}
body[data-size="s"] .grid{grid-template-columns:repeat(auto-fill,minmax(calc(var(--icon-s) + 24px),1fr))}
body[data-size="m"] .grid{grid-template-columns:repeat(auto-fill,minmax(calc(var(--icon-m) + 24px),1fr))}
body[data-size="l"] .grid{grid-template-columns:repeat(auto-fill,minmax(calc(var(--icon-l) + 24px),1fr))}

.site-card{
  display:flex;flex-direction:column;align-items:center;gap:10px;
  cursor:pointer;position:relative;text-decoration:none;color:inherit;
  padding:8px 4px;border-radius:16px;transition:background .15s;
}
.site-card:hover{background:rgba(255,255,255,.7)}
.site-icon{
  background:var(--card);border-radius:24%;
  box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;
  overflow:hidden;transition:transform .15s;
}
body[data-size="s"] .site-icon{width:var(--icon-s);height:var(--icon-s)}
body[data-size="m"] .site-icon{width:var(--icon-m);height:var(--icon-m)}
body[data-size="l"] .site-icon{width:var(--icon-l);height:var(--icon-l)}
.site-card:hover .site-icon{transform:translateY(-4px) scale(1.04)}
.site-icon img{width:58%;height:58%;object-fit:contain}
.site-icon .fallback{
  font-weight:700;color:#fff;
  width:100%;height:100%;display:flex;align-items:center;justify-content:center;
}
body[data-size="s"] .site-icon .fallback{font-size:36px}
body[data-size="m"] .site-icon .fallback{font-size:52px}
body[data-size="l"] .site-icon .fallback{font-size:68px}

.site-name{
  font-size:15px;font-weight:600;max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;
}
body[data-size="l"] .site-name{font-size:17px}
.site-note{
  font-size:12px;color:var(--muted);max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:center;
}
.site-edit{
  position:absolute;top:0;right:0;width:28px;height:28px;border-radius:50%;
  background:rgba(0,0,0,.55);color:#fff;border:none;cursor:pointer;
  font-size:14px;line-height:1;display:none;align-items:center;justify-content:center;
}
.site-card:hover .site-edit{display:flex}

/* 添加卡片 */
.add-card .site-icon{background:transparent;border:2px dashed #c9c4b8;box-shadow:none;color:#b7b1a4}
.add-card .plus{font-size:44px;font-weight:300}

/* ===== 空提示 ===== */
.empty-tip{text-align:center;color:var(--muted);padding:60px 0;font-size:15px}

/* ===== 弹窗 ===== */
.modal-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.35);
  display:flex;align-items:center;justify-content:center;z-index:100;padding:20px;
}
.modal-mask[hidden]{display:none}
.modal{
  background:var(--card);border-radius:20px;padding:28px;width:100%;max-width:420px;
  box-shadow:0 20px 60px rgba(0,0,0,.2);max-height:86vh;overflow:auto;
}
.modal-title{font-size:18px;font-weight:700;margin-bottom:18px}
.modal label{display:block;font-size:13px;color:var(--muted);margin-bottom:14px}
.modal input,.modal select{
  width:100%;margin-top:6px;padding:12px 14px;font-size:15px;
  border:1.5px solid #e5e1d8;border-radius:12px;outline:none;background:#fbfaf7;
}
.modal input:focus,.modal select:focus{border-color:var(--accent)}
.modal-actions{display:flex;gap:10px;margin-top:10px;align-items:center}

.cat-add-row{display:flex;gap:10px;margin-bottom:16px}
.cat-add-row input{flex:1;margin-top:0}
.cat-list{display:flex;flex-direction:column;gap:8px;max-height:300px;overflow:auto}
.cat-item{
  display:flex;align-items:center;justify-content:space-between;
  padding:10px 14px;background:#fbfaf7;border-radius:12px;font-size:14px;
}
.cat-item .del{border:none;background:none;color:#ff5a5a;cursor:pointer;font-size:13px}
.cat-item .count{color:var(--muted);font-size:12px;margin-left:8px}

/* ===== 手机端 ===== */
@media (max-width:600px){
  :root{--icon-s:84px;--icon-m:104px;--icon-l:132px}
  .page{padding:28px 14px 60px}
  .grid{gap:16px}
  .toolbar{flex-direction:column;align-items:stretch}
  .toolbar-left,.toolbar-right{justify-content:space-between}
}