:root{
  --bg:#F4F5F7;
  --surface:#FFFFFF;
  --ink:#1F2430;
  --muted:#6B7280;
  --line:#E4E6EB;
  --brand:#0F766E;
  --brand-strong:#115E59;
  --danger:#D64545;
  --radius:10px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font:inherit;color:inherit}
[hidden]{display:none!important}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:4px;
  padding:8px 16px;border-radius:8px;font-size:14px;line-height:1.4;
  transition:background .15s ease,border-color .15s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-strong)}
.btn-ghost{color:var(--muted)}
.btn-ghost:hover{color:var(--ink);background:rgba(0,0,0,.05)}
.btn-outline{border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand)}
.btn-danger-outline{border:1px solid var(--line);background:var(--surface);color:var(--danger)}
.btn-danger-outline:hover{border-color:var(--danger)}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#B93A3A}
.btn-block{width:100%}
.btn-sm{padding:5px 12px;font-size:13px;border-radius:6px}

/* ---------- 登录 ---------- */
#view-login{
  min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  padding:24px 16px;
}
.login-card{
  width:100%;max-width:380px;
  background:var(--surface);border:1px solid var(--line);border-radius:14px;
  padding:36px 28px 24px;
}
.login-brand{text-align:center;margin-bottom:28px}
.login-mark{
  width:52px;height:52px;margin:0 auto 14px;
  background:var(--brand);color:#fff;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-size:24px;font-weight:600;
}
.login-brand h1{font-size:20px;font-weight:600;letter-spacing:.02em}
.login-brand p{color:var(--muted);font-size:13px;margin-top:4px}
.field{display:block;margin-bottom:16px}
.field span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input{
  width:100%;padding:10px 12px;
  border:1px solid var(--line);border-radius:8px;background:#FAFBFC;
  outline:none;transition:border-color .15s ease;
}
.field input:focus{border-color:var(--brand);background:#fff}
.form-error{color:var(--danger);font-size:13px;margin:-6px 0 12px}
.login-hint{text-align:center;color:var(--muted);font-size:12px;margin-top:18px}

/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:10;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--surface);border-bottom:1px solid var(--line);
  padding:0 20px;height:56px;
}
.topbar-title{font-size:16px;font-weight:600;display:flex;align-items:center;gap:8px;min-width:0}
.topbar-title span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-side{display:flex;align-items:center;gap:10px;flex-shrink:0}
.topbar-user{color:var(--muted);font-size:13px}
.btn-back{padding-left:8px;padding-right:8px}

/* ---------- 内容区 ---------- */
.page{max-width:960px;margin:0 auto;padding:24px 20px 48px}
.page-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:20px;flex-wrap:wrap;
}
.page-desc{color:var(--muted);font-size:13px}

/* ---------- 子账号列表 ---------- */
.row-list{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.row-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:14px 18px;border-bottom:1px solid var(--line);
}
.row-item:last-child{border-bottom:none}
.row-main{min-width:0}
.row-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.row-meta{color:var(--muted);font-size:12px;margin-top:2px}
.row-actions{display:flex;gap:8px;flex-shrink:0}
.empty{
  padding:48px 20px;text-align:center;color:var(--muted);
  background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);
}
.empty p{margin-bottom:14px}

/* ---------- 空间卡片 ---------- */
.card-grid{
  display:grid;gap:14px;
  grid-template-columns:repeat(auto-fill,minmax(160px,1fr));
}
.space-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 16px;text-align:left;display:flex;flex-direction:column;gap:6px;
  transition:border-color .15s ease;position:relative;
}
.space-card:hover{border-color:var(--brand)}
.space-card .space-name{font-size:15px;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.space-card .space-meta{color:var(--muted);font-size:12px}
.space-card .space-del{
  position:absolute;top:8px;right:8px;
  width:26px;height:26px;border-radius:6px;color:var(--muted);font-size:15px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.space-card .space-del:hover{color:var(--danger);background:rgba(214,69,69,.08)}

/* ---------- 照片墙 ---------- */
.photo-count{color:var(--muted);font-size:13px}
.photo-grid{
  display:grid;gap:14px;
  grid-template-columns:repeat(auto-fill,minmax(150px,1fr));
}
.photo-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
}
.photo-thumb{position:relative;aspect-ratio:1/1;background:#EEF0F3}
.photo-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.photo-del{
  position:absolute;top:8px;right:8px;
  width:28px;height:28px;border-radius:6px;
  background:rgba(0,0,0,.45);color:#fff;font-size:14px;line-height:1;
  display:flex;align-items:center;justify-content:center;
}
.photo-del:hover{background:var(--danger)}
.photo-foot{padding:10px 12px;display:flex;align-items:center;gap:6px;min-width:0}
.photo-name{
  flex:1;min-width:0;font-size:13px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.photo-name-input{
  flex:1;min-width:0;font-size:13px;padding:2px 6px;
  border:1px solid var(--brand);border-radius:4px;outline:none;
}
.photo-rename{color:var(--muted);font-size:13px;flex-shrink:0;padding:2px}
.photo-rename:hover{color:var(--brand)}

/* ---------- 弹窗 ---------- */
.modal-mask{
  position:fixed;inset:0;z-index:100;
  background:rgba(20,24,32,.45);
  display:flex;align-items:center;justify-content:center;padding:20px;
}
.modal-card{
  width:100%;max-width:360px;
  background:var(--surface);border-radius:12px;padding:22px 20px;
}
.modal-title{font-size:16px;font-weight:600;margin-bottom:16px}
.modal-body{color:var(--ink)}
.modal-body .tip{color:var(--muted);font-size:13px;margin-bottom:4px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

/* ---------- 轻提示 ---------- */
#toast-root{
  position:fixed;left:50%;bottom:32px;transform:translateX(-50%);
  z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center;
  pointer-events:none;
}
.toast{
  background:rgba(20,24,32,.88);color:#fff;
  padding:9px 18px;border-radius:8px;font-size:13px;
  animation:toast-in .18s ease;
}
@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- 账号类型徽标 ---------- */
.badge{
  display:inline-block;padding:1px 8px;border-radius:999px;
  font-size:12px;font-weight:400;margin-left:8px;vertical-align:1px;
}
.badge-app{background:rgba(15,118,110,.1);color:var(--brand)}
.badge-viewer{background:rgba(107,114,128,.12);color:var(--muted)}

/* ---------- 浏览端分组 ---------- */
.browse-owner{
  font-size:15px;font-weight:600;
  margin:26px 0 12px;display:flex;align-items:baseline;gap:8px;
}
.browse-owner:first-child{margin-top:0}
.browse-owner span{color:var(--muted);font-size:12px;font-weight:400}

/* ---------- 弹窗内的类型单选 / 关联复选 ---------- */
.radio-row{display:flex;gap:10px;margin-bottom:14px}
.radio-item{
  flex:1;display:flex;align-items:center;gap:6px;
  padding:9px 12px;border:1px solid var(--line);border-radius:8px;
  cursor:pointer;font-size:13px;
}
.radio-item:has(input:checked){border-color:var(--brand);color:var(--brand)}
.radio-item input{accent-color:var(--brand)}
.check-list{
  display:flex;flex-direction:column;gap:8px;
  max-height:240px;overflow:auto;margin-top:8px;
}
.check-item{
  display:flex;align-items:center;gap:8px;
  padding:9px 12px;border:1px solid var(--line);border-radius:8px;
  cursor:pointer;font-size:13px;
}
.check-item input{accent-color:var(--brand)}

/* ---------- 移动端 ---------- */
@media (max-width:600px){
  .topbar{padding:0 14px}
  .topbar-user{display:none}
  .page{padding:18px 14px 40px}
  .page-head{align-items:flex-start}
  .card-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
  .photo-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .row-item{padding:12px 14px}
  .row-actions .btn-sm{padding:4px 10px}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
}