:root{
  --admin-bg:#f3f6fb;
  --admin-surface:#ffffff;
  --admin-line:rgba(15,35,70,.12);
  --admin-text:#14243d;
  --admin-muted:#66758d;
  --admin-primary:#0b63d8;
  --admin-primary-dark:#094aa0;
  --admin-danger:#c83a48;
  --admin-shadow:0 24px 64px rgba(10,35,70,.08);
  --admin-radius:22px;
}
*{box-sizing:border-box}
body.admin-body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
  background:linear-gradient(180deg,#eef4fb 0%,#f7f9fc 100%);
  color:var(--admin-text);
}
a{text-decoration:none;color:inherit}
button,input,textarea,select{font:inherit}
.auth-shell{
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.auth-card,
.admin-layout{
  width:min(1180px,calc(100% - 32px));
}
.auth-card{
  max-width:460px;
  background:var(--admin-surface);
  border:1px solid var(--admin-line);
  border-radius:var(--admin-radius);
  box-shadow:var(--admin-shadow);
  padding:28px;
}
.auth-card h1,
.admin-header h1{
  margin:0 0 10px;
  font-size:32px;
  letter-spacing:-.04em;
}
.auth-card p,
.admin-header p{
  margin:0;
  color:var(--admin-muted);
  line-height:1.6;
}
.auth-form{
  display:grid;
  gap:16px;
  margin-top:22px;
}
.field{
  display:grid;
  gap:8px;
}
.field span{
  font-size:14px;
  font-weight:700;
}
.field input,
.field textarea,
.field select{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--admin-line);
  border-radius:14px;
  background:#fff;
  color:var(--admin-text);
}
.field textarea{
  min-height:130px;
  resize:vertical;
}
.admin-layout{
  margin:0 auto;
  padding:28px 0 88px;
}
.admin-header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  margin-bottom:18px;
}
.admin-header-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}
.admin-tabs{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin:18px 0;
}
.admin-tab{
  border:1px solid var(--admin-line);
  background:#fff;
  color:var(--admin-text);
  border-radius:14px;
  padding:11px 15px;
  cursor:pointer;
  font-weight:700;
}
.admin-tab.active{
  background:var(--admin-primary);
  border-color:var(--admin-primary);
  color:#fff;
}
.admin-content{
  display:grid;
  gap:16px;
}
.admin-panel,
.admin-card{
  background:var(--admin-surface);
  border:1px solid var(--admin-line);
  border-radius:var(--admin-radius);
  box-shadow:var(--admin-shadow);
}
.admin-panel{
  padding:22px;
}
.admin-panel h2{
  margin:0 0 8px;
  font-size:28px;
  letter-spacing:-.03em;
}
.admin-panel p{
  margin:0 0 18px;
  color:var(--admin-muted);
  line-height:1.6;
}
.admin-card{
  padding:18px;
}
.admin-card h3{
  margin:0 0 14px;
  font-size:20px;
  letter-spacing:-.02em;
}
.admin-card h4{
  margin:0;
  font-size:16px;
  letter-spacing:-.01em;
}
.admin-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:14px;
}
.admin-grid-full{
  grid-column:1 / -1;
}
.admin-inline{
  display:flex;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
}
.admin-subcard,
.admin-section-list{
  margin-top:16px;
}
.admin-subcard{
  padding:16px;
  border:1px solid var(--admin-line);
  border-radius:18px;
  background:#fbfcfe;
}
.admin-subcard-head,
.admin-section-list-head,
.admin-price-head,
.admin-price-row{
  display:grid;
  gap:12px;
  align-items:center;
}
.admin-subcard-head,
.admin-section-list-head{
  grid-template-columns:minmax(0,1fr) auto;
  margin-bottom:14px;
}
.admin-section-list-head{
  margin-bottom:12px;
}
.admin-section-list-head h4{
  margin:0;
  font-size:18px;
}
.admin-checkbox{
  display:flex;
  align-items:center;
  gap:8px;
  color:var(--admin-muted);
}
.admin-checkbox-center{
  justify-content:center;
}
.admin-preview{
  width:180px;
  max-width:100%;
  border-radius:16px;
  border:1px solid var(--admin-line);
  overflow:hidden;
  background:#f7f9fc;
}
.admin-preview img{
  width:100%;
  display:block;
  aspect-ratio:16 / 10;
  object-fit:cover;
}
.admin-button{
  border:1px solid var(--admin-line);
  background:#fff;
  color:var(--admin-text);
  border-radius:14px;
  padding:11px 16px;
  cursor:pointer;
  font-weight:700;
}
.admin-button-primary{
  background:linear-gradient(135deg,var(--admin-primary),var(--admin-primary-dark));
  border-color:var(--admin-primary);
  color:#fff;
}
.admin-button-danger{
  color:var(--admin-danger);
}
.admin-button-ghost{
  background:rgba(255,255,255,.88);
}
.admin-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
  margin-top:16px;
}
.admin-backup-list{
  display:grid;
  gap:14px;
  margin-top:18px;
}
.admin-backup-card{
  padding:20px;
}
.admin-backup-meta{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:16px;
  align-items:center;
}
.admin-backup-meta .admin-helper{
  margin-top:4px;
}
.admin-price-table{
  margin-top:18px;
  display:grid;
  gap:10px;
}
.admin-price-head,
.admin-price-row{
  grid-template-columns:minmax(0,1.8fr) minmax(160px,.9fr) 76px auto;
}
.admin-price-head{
  color:var(--admin-muted);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  text-transform:uppercase;
  padding:0 8px;
}
.admin-price-row input[type="text"]{
  width:100%;
  padding:12px 14px;
  border:1px solid var(--admin-line);
  border-radius:14px;
  background:#fff;
  color:var(--admin-text);
}
.admin-message{
  padding:14px 16px;
  border-radius:14px;
  border:1px solid var(--admin-line);
  background:#fff;
  margin-bottom:16px;
}
.admin-message.error{
  border-color:rgba(200,58,72,.24);
  color:#9b2330;
  background:#fff4f5;
}
.admin-message.success{
  border-color:rgba(24,148,88,.24);
  color:#166a41;
  background:#f2fcf7;
}
.admin-savebar{
  position:sticky;
  bottom:18px;
  display:flex;
  justify-content:flex-end;
  margin-top:18px;
}
.admin-savebar .admin-button{
  box-shadow:0 20px 50px rgba(11,99,216,.2);
}
.admin-helper{
  color:var(--admin-muted);
  font-size:13px;
  line-height:1.5;
}
.admin-button:disabled{
  opacity:.5;
  cursor:default;
}
@media (max-width: 900px){
  .admin-header{
    flex-direction:column;
  }
  .admin-grid{
    grid-template-columns:1fr;
  }
  .admin-subcard-head,
  .admin-section-list-head,
  .admin-backup-meta,
  .admin-price-head,
  .admin-price-row{
    grid-template-columns:1fr;
  }
  .admin-price-head{
    display:none;
  }
}