*{box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:#f4f6fa;margin:0;padding:20px;color:#172033}
.wrap{max-width:1380px;margin:auto}
.top{display:flex;justify-content:space-between;align-items:center;gap:15px}
.card{background:#fff;border-radius:16px;padding:18px;margin-bottom:18px;box-shadow:0 8px 30px #dfe5ef}
input,select{height:38px;border:1px solid #ccd4e0;border-radius:8px;padding:0 9px}
button{height:38px;border:0;border-radius:8px;background:#172033;color:#fff;padding:0 14px;cursor:pointer}
button.warn{background:#bb3c50}
button.good{background:#13885d}
.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;min-width:1150px}
td,th{padding:10px;border-bottom:1px solid #edf0f4;text-align:left;font-size:14px;vertical-align:top}
th{background:#fafbfd;position:sticky;top:0}
.msg{padding:10px 14px;border-radius:10px;background:#eef8ff;color:#25628b;margin-bottom:14px}
.small{font-size:12px;color:#7c8798}
.badge{display:inline-block;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:700}
.on{background:#e6fff4;color:#087b4d}
.off{background:#ffecef;color:#b42942}
.number-big{font-size:22px;font-weight:800}
.admin-note{font-size:12px;color:#7c8798;margin:8px 0 14px}
a{color:#3566a8}


/* V6.4.2 - actual logged-in admin layout */
html{scroll-behavior:auto}
body{
  background:#f2f5f9!important;
  padding:0!important;
  margin:0!important;
}

.admin-shell{
  min-height:100vh;
  display:flex;
}

.admin-sidebar{
  position:fixed!important;
  left:0!important;
  top:0!important;
  bottom:0!important;
  width:248px!important;
  z-index:100!important;
  padding:18px 14px!important;
  display:flex!important;
  flex-direction:column!important;
  background:linear-gradient(180deg,#111b2e 0%,#0a1220 100%)!important;
  color:#fff!important;
  box-shadow:14px 0 35px rgba(15,23,42,.13)!important;
  overflow-y:auto!important;
  box-sizing:border-box!important;
}

.sidebar-brand{
  display:flex!important;
  align-items:center!important;
  gap:11px!important;
  padding:4px 6px 18px!important;
  border-bottom:1px solid rgba(255,255,255,.08)!important;
}
.sidebar-logo{
  width:42px!important;
  height:42px!important;
  border-radius:13px!important;
  display:grid!important;
  place-items:center!important;
  background:linear-gradient(135deg,#6ee7ff,#887cff)!important;
  color:#071427!important;
  font-weight:900!important;
  flex:0 0 auto!important;
}
.sidebar-brand strong{
  display:block!important;
  color:#fff!important;
  font-size:15px!important;
}
.sidebar-brand span{
  display:block!important;
  margin-top:2px!important;
  color:#8393ad!important;
  font-size:10px!important;
}

.sidebar-nav{
  display:flex!important;
  flex-direction:column!important;
  gap:8px!important;
  padding-top:15px!important;
}

.sidebar-nav details{
  display:block!important;
  border:1px solid rgba(255,255,255,.07)!important;
  border-radius:12px!important;
  background:rgba(255,255,255,.025)!important;
  overflow:hidden!important;
}

.sidebar-nav summary{
  display:block!important;
  list-style:none!important;
  cursor:pointer!important;
  padding:12px!important;
  font-size:13px!important;
  font-weight:800!important;
  color:#dce7f8!important;
  user-select:none!important;
}
.sidebar-nav summary::-webkit-details-marker{display:none!important}
.sidebar-nav summary::after{
  content:"›"!important;
  float:right!important;
  font-size:18px!important;
  color:#7f91ad!important;
  transition:.16s ease!important;
}
.sidebar-nav details[open] summary::after{
  transform:rotate(90deg)!important;
}

.sidebar-nav button{
  display:block!important;
  width:calc(100% - 12px)!important;
  height:36px!important;
  margin:0 6px 6px!important;
  padding:0 10px!important;
  text-align:left!important;
  border:0!important;
  border-radius:9px!important;
  background:transparent!important;
  color:#91a2bd!important;
  font-size:12px!important;
  font-weight:650!important;
  cursor:pointer!important;
}
.sidebar-nav button:hover{
  background:rgba(255,255,255,.06)!important;
  color:#fff!important;
}
.sidebar-nav button.active{
  background:linear-gradient(90deg,rgba(110,231,255,.18),rgba(136,124,255,.12))!important;
  color:#82e9ff!important;
  box-shadow:inset 3px 0 0 #6ee7ff!important;
}

.sidebar-footer{
  margin-top:auto!important;
  padding:16px 7px 2px!important;
  border-top:1px solid rgba(255,255,255,.08)!important;
  display:grid!important;
  gap:9px!important;
}
.sidebar-footer a{
  color:#8293ad!important;
  text-decoration:none!important;
  font-size:12px!important;
}
.sidebar-footer a:hover{color:#fff!important}

.admin-main{
  width:calc(100% - 248px)!important;
  max-width:none!important;
  margin:0 0 0 248px!important;
  padding:22px 26px 44px!important;
  min-width:0!important;
  box-sizing:border-box!important;
}

.admin-topbar{
  min-height:54px!important;
  margin-bottom:14px!important;
}
.admin-topbar h1{
  margin:0!important;
  font-size:25px!important;
}
.admin-topbar>a{
  padding:8px 12px!important;
  border-radius:9px!important;
  background:#fff!important;
  text-decoration:none!important;
  box-shadow:0 3px 12px rgba(15,23,42,.06)!important;
}

.admin-section{
  display:none!important;
  margin-bottom:0!important;
}
.admin-section.active-section{
  display:block!important;
}

.admin-main>.msg{
  /* 演示版改为静态，避免 sticky 挤压标题 */
  position:static!important;
  box-shadow:0 6px 18px rgba(15,23,42,.08)!important;
}
.admin-section h2,.admin-section h3{
  scroll-margin-top:16px!important;
}

.sidebar-toggle,
.sidebar-backdrop{
  display:none!important;
}

@media(max-width:900px){
  .admin-sidebar{
    transform:translateX(-105%)!important;
    transition:transform .2s ease!important;
  }
  .admin-sidebar.open{
    transform:translateX(0)!important;
  }
  .admin-main{
    width:100%!important;
    margin-left:0!important;
    padding:66px 12px 28px!important;
  }
  .sidebar-toggle{
    display:block!important;
    position:fixed!important;
    z-index:120!important;
    top:13px!important;
    left:13px!important;
    width:42px!important;
    height:42px!important;
    padding:0!important;
    border-radius:12px!important;
    border:0!important;
    background:#111b2e!important;
    color:#fff!important;
    box-shadow:0 8px 24px rgba(0,0,0,.18)!important;
  }
  .sidebar-backdrop{
    position:fixed!important;
    z-index:90!important;
    inset:0!important;
    background:rgba(5,12,24,.52)!important;
    backdrop-filter:blur(2px)!important;
  }
  .sidebar-backdrop.show{
    display:block!important;
  }
  .admin-topbar h1{
    font-size:21px!important;
  }
}


/* V6.4.3 dashboard */
.dashboard-section{
  background:transparent!important;
  box-shadow:none!important;
  padding:0!important;
}
.dashboard-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.dashboard-head h2{
  margin:0 0 5px;
  font-size:25px;
}
.dashboard-date{
  padding:8px 12px;
  border-radius:10px;
  background:#fff;
  border:1px solid #e7ebf1;
  color:#68758a;
  font-size:12px;
}
.dashboard-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.stat-card{
  position:relative;
  min-height:166px;
  padding:20px;
  border-radius:18px;
  background:#fff;
  border:1px solid #e9edf3;
  box-shadow:0 8px 28px rgba(15,23,42,.06);
  overflow:hidden;
}
.stat-card::after{
  content:"";
  position:absolute;
  right:-28px;
  bottom:-44px;
  width:120px;
  height:120px;
  border-radius:50%;
  background:linear-gradient(135deg,rgba(110,231,255,.10),rgba(136,124,255,.08));
}
.stat-icon{
  width:40px;
  height:40px;
  display:grid;
  place-items:center;
  border-radius:12px;
  background:#f3f7fc;
  font-size:20px;
  margin-bottom:14px;
}
.stat-label{
  color:#66758b;
  font-size:13px;
  font-weight:700;
}
.stat-value{
  margin-top:5px;
  color:#101828;
  font-size:34px;
  line-height:1.15;
  font-weight:900;
  letter-spacing:-1px;
}
.stat-note{
  position:relative;
  z-index:1;
  margin-top:10px;
  color:#94a0b1;
  font-size:11px;
}
.dashboard-tip{
  margin-top:16px;
  padding:13px 15px;
  border-radius:13px;
  background:#f8fafc;
  border:1px solid #e9edf3;
  color:#78869a;
  font-size:12px;
  line-height:1.7;
}
@media(max-width:1150px){
  .dashboard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media(max-width:560px){
  .dashboard-head{align-items:flex-start;flex-direction:column}
  .dashboard-grid{grid-template-columns:1fr}
  .stat-card{min-height:145px}
}


/* V6.4.7 14-language redemption success editor */
.redeem-i18n-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.redeem-lang-editor{
  border:1px solid #e6ebf2;
  border-radius:12px;
  background:#fafbfd;
  overflow:hidden;
}
.redeem-lang-editor summary{
  cursor:pointer;
  padding:12px 14px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  list-style:none;
  user-select:none;
}
.redeem-lang-editor summary::-webkit-details-marker{display:none}
.redeem-lang-editor summary span{
  font-size:10px;
  font-weight:800;
  color:#8a97a9;
  letter-spacing:.8px;
}
.redeem-lang-editor-body{
  padding:0 14px 14px;
}
.redeem-lang-editor textarea{
  resize:vertical;
  min-height:96px;
  border:1px solid #ccd4e0;
  border-radius:8px;
}
@media(max-width:820px){
  .redeem-i18n-grid{grid-template-columns:1fr}
}