/* ===========================================================================
   Dashboard — English interface, bilingual content fields.
   =========================================================================== */

:root{
  --ad-bg:#F4F5F7;
  --ad-surface:#FFFFFF;
  --ad-side:#0B0E13;
  --ad-side-2:#141922;
  --ad-text:#131720;
  --ad-muted:#6C7480;
  --ad-line:rgba(11,14,19,.11);
  --ad-accent:#C8322F;
  --ad-gold:#C6A15B;
  --ad-side-w:256px;
}

/* ============================ auth screens ============================ */
.auth-body{
  min-height:100vh;display:grid;place-items:center;padding:40px 18px;
  background:linear-gradient(140deg,#0B0E13,#141922 55%,#1E2530);
}
.auth-shell{width:min(100%,440px)}
.auth-card{
  background:#fff;border-radius:16px;padding:clamp(26px,4vw,40px);
  box-shadow:0 40px 90px -50px rgba(0,0,0,.85);
}
.auth-title{font-size:1.45rem;text-align:center;color:var(--ad-text)}
.auth-sub{text-align:center;color:var(--ad-muted);font-size:.93rem;margin:8px 0 26px}
.auth-back{display:block;text-align:center;margin-top:20px;color:rgba(255,255,255,.65);font-size:.88rem}
.auth-back:hover{color:var(--ad-gold)}
.auth-error{
  background:rgba(200,50,47,.08);border:1px solid rgba(200,50,47,.3);color:var(--ad-accent);
  border-radius:9px;padding:11px 14px;font-size:.88rem;margin-bottom:16px;
}
.auth-error:empty{display:none}
.auth-error ul{list-style:none;margin:0;padding:0}
.field-error{display:block;color:var(--ad-accent);font-size:.82rem;margin-top:5px}
.field-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:10px;flex-wrap:wrap}
.check{display:inline-flex;align-items:center;gap:8px;font-size:.9rem;color:var(--ad-muted);font-weight:400}
.check input{width:auto;accent-color:var(--ad-accent)}
.link-btn{background:none;border:0;cursor:pointer;color:var(--ad-text);font-weight:600;font-size:.86rem;padding:0}
.link-btn:hover{color:var(--ad-accent)}

/* ============================== shell ================================= */
.ad-body{background:var(--ad-bg);color:var(--ad-text);font-family:var(--ff-en),var(--ff-zh)}
.ad-shell{display:flex;min-height:100vh}

.ad-side{
  position:fixed;inset-block:0;left:0;width:var(--ad-side-w);z-index:60;
  background:var(--ad-side);color:rgba(255,255,255,.72);
  display:flex;flex-direction:column;padding:18px 14px;
  overflow-y:auto;overflow-x:hidden;
  transition:transform .4s cubic-bezier(.16,1,.3,1);
}
.ad-side .brand{padding:6px 8px 18px;border-bottom:1px solid rgba(255,255,255,.1);margin-bottom:14px}
.ad-side .brand-zh{color:#fff;font-size:.98rem}

.ad-nav{display:grid;gap:2px}
.ad-nav .label{
  font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;
  color:rgba(255,255,255,.34);padding:16px 10px 7px;
}
.ad-nav a{
  display:flex;align-items:center;gap:11px;padding:11px 12px;border-radius:9px;
  font-size:.92rem;font-weight:500;color:rgba(255,255,255,.74);
  transition:background .22s ease,color .22s ease;min-height:42px;
}
.ad-nav a svg{width:18px;height:18px;flex:none;opacity:.85}
.ad-nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.ad-nav a.on{background:rgba(200,50,47,.18);color:#fff;box-shadow:inset 2px 0 0 var(--ad-accent)}
.ad-nav .count{
  margin-left:auto;background:rgba(255,255,255,.12);border-radius:999px;
  padding:1px 8px;font-size:.74rem;font-weight:700;
}
.ad-nav .count.hot{background:var(--ad-accent);color:#fff}
.ad-side-foot{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}

.ad-main{flex:1;min-width:0;margin-left:var(--ad-side-w);display:flex;flex-direction:column}
.ad-top{
  position:sticky;top:0;z-index:50;background:rgba(244,245,247,.86);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--ad-line);
  display:flex;align-items:center;gap:14px;padding:12px clamp(16px,3vw,28px);min-height:62px;
}
.ad-burger{display:none;width:42px;height:42px;border:1px solid var(--ad-line);background:#fff;border-radius:9px;cursor:pointer;place-items:center}
.ad-burger svg{width:19px;height:19px}
.ad-crumb{font-size:.9rem;color:var(--ad-muted)}
.ad-crumb b{color:var(--ad-text)}
.ad-top-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.ad-content{padding:clamp(18px,3vw,30px);flex:1}

/* ============================= components ============================= */
.ad-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.ad-title{font-family:var(--ff-en);font-size:1.4rem;font-weight:800;margin-bottom:4px}
.ad-sub{color:var(--ad-muted);font-size:.9rem}

.ad-card{
  background:var(--ad-surface);border:1px solid var(--ad-line);border-radius:13px;
  padding:22px;box-shadow:0 14px 30px -26px rgba(11,14,19,.4);
}
.ad-card + .ad-card{margin-top:18px}
.ad-card-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--ad-line);
}
.ad-card-title{font-size:1.02rem;font-weight:700}
.ad-card-title small{display:block;font-weight:400;font-size:.82rem;color:var(--ad-muted);margin-top:3px}

.ad-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:22px}
.ad-stat{
  background:var(--ad-surface);border:1px solid var(--ad-line);border-radius:13px;padding:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  transition:transform .3s cubic-bezier(.16,1,.3,1),box-shadow .3s ease;
}
.ad-stat:hover{transform:translateY(-3px);box-shadow:0 20px 36px -28px rgba(11,14,19,.5)}
.ad-stat .k{font-size:.82rem;color:var(--ad-muted)}
.ad-stat .v{font-size:1.7rem;font-weight:800;line-height:1.1;margin-top:2px}
.ad-stat .ic{
  width:44px;height:44px;border-radius:11px;display:grid;place-items:center;flex:none;
  background:rgba(200,50,47,.09);color:var(--ad-accent);
}
.ad-stat .ic svg{width:21px;height:21px}

/* form fields */
.ad-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.ad-grid--full > *{grid-column:1/-1}
.ad-field{margin-bottom:16px;min-width:0}
.ad-field label{display:block;font-size:.85rem;font-weight:600;margin:0 0 6px}
.ad-field input,.ad-field textarea,.ad-field select{
  width:100%;padding:10px 13px;border:1px solid var(--ad-line);border-radius:9px;
  background:#fff;font-family:inherit;font-size:.93rem;transition:border-color .2s,box-shadow .2s;
}
.ad-field textarea{min-height:92px;resize:vertical}
.ad-field input:focus,.ad-field textarea:focus,.ad-field select:focus{
  outline:0;border-color:var(--ad-accent);box-shadow:0 0 0 3px rgba(200,50,47,.12);
}
.ad-field .hint{font-size:.79rem;color:var(--ad-muted);margin-top:5px}

/* the little language chip that marks which side a field holds */
.tag-lang{
  display:inline-block;font-size:.66rem;font-weight:700;padding:2px 7px;border-radius:5px;
  margin-left:6px;vertical-align:middle;border:1px solid var(--ad-line);
  background:#F4F5F7;color:var(--ad-muted);
}
.tag-lang.zh{color:var(--ad-accent);border-color:rgba(200,50,47,.3);background:rgba(200,50,47,.07)}
.tag-lang.en{color:#2B6CB0;border-color:rgba(43,108,176,.3);background:rgba(43,108,176,.07)}

/* tabs on the settings screen */
.ad-tabs{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:18px;overflow-x:auto;scrollbar-width:none}
.ad-tabs::-webkit-scrollbar{display:none}
.ad-tab{
  border:1px solid var(--ad-line);background:#fff;color:var(--ad-muted);border-radius:999px;
  padding:8px 17px;font-weight:600;font-size:.87rem;cursor:pointer;white-space:nowrap;flex:none;
  transition:.22s;min-height:40px;
}
.ad-tab:hover{color:var(--ad-text)}
.ad-tab.on{background:var(--ad-side);border-color:var(--ad-side);color:#fff}
.ad-panel{display:none}
.ad-panel.on{display:block}

/* tables */
.ad-table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:11px;border:1px solid var(--ad-line)}
table.ad-table{width:100%;border-collapse:collapse;font-size:.9rem;background:#fff;min-width:640px}
table.ad-table th,table.ad-table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--ad-line);vertical-align:middle}
table.ad-table th{background:#FAFAFB;font-weight:700;white-space:nowrap;font-size:.82rem;color:var(--ad-muted);text-transform:uppercase;letter-spacing:.04em}
table.ad-table tbody tr:last-child td{border-bottom:0}
table.ad-table tbody tr:hover{background:#FAFAFB}
table.ad-table .zh{color:var(--ad-muted);font-size:.85rem;display:block;margin-top:2px}
.ad-thumb{width:64px;height:44px;object-fit:cover;border-radius:7px;border:1px solid var(--ad-line);background:#F4F5F7}

.dot{display:inline-block;width:9px;height:9px;border-radius:50%}
.dot.on{background:#18A957}
.dot.off{background:#C9CDD4}

/* buttons */
.ad-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  padding:9px 16px;border-radius:8px;border:1px solid transparent;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.88rem;min-height:40px;white-space:nowrap;
  transition:background .2s,color .2s,border-color .2s,transform .2s;
}
.ad-btn svg{width:16px;height:16px}
.ad-btn:active{transform:scale(.98)}
.ad-btn-primary{background:var(--ad-accent);color:#fff}
.ad-btn-primary:hover{background:#B02A27}
.ad-btn-dark{background:var(--ad-side);color:#fff}
.ad-btn-dark:hover{background:var(--ad-side-2)}
.ad-btn-ghost{background:#fff;border-color:var(--ad-line);color:var(--ad-text)}
.ad-btn-ghost:hover{border-color:var(--ad-text)}
.ad-btn-danger{background:#fff;border-color:rgba(200,50,47,.35);color:var(--ad-accent)}
.ad-btn-danger:hover{background:var(--ad-accent);border-color:var(--ad-accent);color:#fff}
.ad-btn-sm{padding:6px 12px;font-size:.82rem;min-height:34px}
.ad-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:20px}

.ad-alert{padding:12px 16px;border-radius:9px;margin-bottom:18px;font-size:.9rem}
.ad-alert-ok{background:rgba(24,169,87,.1);border:1px solid rgba(24,169,87,.3);color:#0F7A3D}
.ad-alert-bad{background:rgba(200,50,47,.08);border:1px solid rgba(200,50,47,.3);color:var(--ad-accent)}

.ad-empty{text-align:center;padding:52px 20px;color:var(--ad-muted)}
.ad-empty svg{width:46px;height:46px;opacity:.3;margin-bottom:12px}

.icon-preview{
  display:inline-grid;place-items:center;width:52px;height:52px;border-radius:11px;
  border:1px solid var(--ad-line);background:#F4F5F7;color:var(--ad-side);margin-top:9px;
}
.icon-preview svg{width:24px;height:24px}

/* ============================= responsive ============================= */
.ad-scrim{position:fixed;inset:0;background:rgba(6,9,14,.55);z-index:55;opacity:0;visibility:hidden;transition:.3s}
.ad-scrim.on{opacity:1;visibility:visible}

@media (max-width:980px){
  .ad-side{transform:translateX(-100%)}
  .ad-side.open{transform:translateX(0)}
  .ad-main{margin-left:0}
  .ad-burger{display:grid}
  .ad-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .ad-head{flex-direction:column;align-items:stretch}
  .ad-head .ad-btn{width:100%}
  .ad-actions .ad-btn{flex:1}
  .ad-card{padding:16px}
}