:root{
  --bg:#ffffff;
  --text:#111318;
  --muted:#737783;
  --line:#e8e8ed;
  --soft:#f6f7f9;
  --accent:#111;
  --pill:#f1f1f4;
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --shadow:0 10px 35px rgba(17,24,39,.07);
}
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  color:var(--text);
  background:var(--bg);
}
.app-shell{display:none}
.app-shell.active{display:block}
.login-page{
  display:none;
  min-height:100vh;
  padding:32px 16px;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#f7f7fb,#ffffff);
}
.login-page.active{display:flex}
.login-card{
  width:min(440px,100%);
  background:white;
  border:1px solid var(--line);
  border-radius:24px;
  box-shadow:var(--shadow);
  padding:34px;
}
.login-card h1{
  margin:0 0 14px;
  font-size:44px;
  text-align:left;
  letter-spacing:-1.8px;
}
.login-card label{
  display:block;
  margin:18px 0 0;
  font-weight:800;
}
.login-card input{
  margin-top:8px;
  font-size:18px;
  padding:15px 16px;
}
.login-card .primary{width:100%;margin-top:24px}
.error-box{
  display:none;
  margin-top:16px;
  background:#fee2e2;
  color:#991b1b;
  border-radius:12px;
  padding:12px 14px;
  font-weight:700;
}
.error-box.active{display:block}
.small{font-size:14px}
.topbar{
  position:sticky;
  top:0;
  z-index:20;
  height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 42px;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(0,0,0,.04);
}
.brand{
  color:#050505;
  text-decoration:none;
  font-size:32px;
  font-weight:800;
  letter-spacing:-1.3px;
}
.top-actions{display:flex;align-items:center;gap:14px}
.user-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border:1px solid var(--line);
  background:#f8fafc;
  border-radius:999px;
  padding:10px 14px;
  color:#111827;
  font-size:14px;
  font-weight:800;
}
.avatar{
  width:48px;height:48px;border:0;border-radius:50%;
  background:#9b72ff;color:white;font-weight:800;font-size:24px;
  cursor:pointer;
}
.ghost,.file-label{
  border:1px solid var(--line);
  background:white;
  border-radius:12px;
  padding:11px 14px;
  color:#3f4147;
  cursor:pointer;
  font-size:14px;
}
.menu{
  width:50px;height:50px;border:0;background:transparent;
  display:flex;flex-direction:column;gap:7px;justify-content:center;
  cursor:pointer;
}
.menu span{height:4px;background:#050505;border-radius:2px;width:38px;display:block}
.mobile-menu{
  display:none;
  position:fixed;right:18px;top:76px;z-index:30;
  background:white;border:1px solid var(--line);box-shadow:var(--shadow);
  border-radius:18px;padding:10px;min-width:240px;
}
.mobile-menu.open{display:block}
.mobile-menu button{
  display:block;width:100%;text-align:left;background:transparent;border:0;padding:14px 16px;
  font-size:16px;border-radius:12px;cursor:pointer;
}
.mobile-menu button:hover{background:var(--soft)}
main{max-width:1120px;margin:0 auto;padding:70px 28px 90px}
.page{display:none}
.page.active{display:block}
h1{
  font-size:58px;
  line-height:1;
  letter-spacing:-2.8px;
  text-align:center;
  margin:30px 0 40px;
}
h2{font-size:24px;margin:0 0 14px;letter-spacing:-.5px}
.muted{color:var(--muted);line-height:1.55}
code{background:#f4f4f5;padding:2px 6px;border-radius:6px}
.card,.card-lite{
  background:#fff;border:1px solid var(--line);border-radius:18px;
}
.card{box-shadow:var(--shadow);padding:26px}
.server-status{
  max-width:920px;
  margin:0 auto 34px;
  padding:14px 18px;
  border-radius:14px;
  background:#f3f4f6;
  color:#4b5563;
  font-weight:700;
}
.server-status.ok{background:#dcfce7;color:#166534}
.server-status.error{background:#fee2e2;color:#991b1b}
.filters{
  border:none;
  max-width:920px;
  margin:0 auto 70px;
  display:grid;
  gap:18px;
}
.filter-row{
  display:grid;
  grid-template-columns:1fr 80px;
  gap:14px;
  align-items:center;
}
select,.search,input,textarea{
  width:100%;
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px 20px;
  font-size:21px;
  background:#fff;
  color:#16181d;
  outline:none;
}
textarea{min-height:110px;resize:vertical;font-size:16px;line-height:1.5}
select:focus,.search:focus,input:focus,textarea:focus{
  border-color:#b1b1b9;
  box-shadow:0 0 0 5px rgba(17,17,17,.07);
}
.reset{
  border:0;background:transparent;color:#777;font-size:18px;cursor:pointer;text-align:left;
}
.key-list{
  display:grid;
  gap:34px;
  max-width:920px;
  margin:0 auto;
}
.key-row{
  display:grid;
  grid-template-columns:178px 1fr;
  gap:42px;
  align-items:center;
  padding:0 48px 0 48px;
  min-height:178px;
  cursor:pointer;
  border-radius:28px;
  transition:.15s ease;
}
.key-row:hover{background:#fafafa;transform:translateY(-1px)}
.key-img{
  width:178px;height:178px;object-fit:contain;border-radius:18px;background:#f3f4f6;
  border:1px solid rgba(0,0,0,.03);
}
.pills{display:flex;flex-wrap:wrap;gap:9px}
.key-meta{font-size:25px;color:#7b7e86;margin-bottom:14px}
.key-title{font-size:30px;line-height:1.16;font-weight:800;letter-spacing:-.8px;margin-bottom:14px}
.pill{
  display:inline-flex;
  align-items:center;
  padding:7px 13px;
  border-radius:999px;
  background:var(--pill);
  color:#17191f;
  font-size:15px;
  font-weight:700;
}
.role-pill{
  display:inline-flex;
  padding:5px 10px;
  border-radius:999px;
  background:#eef2ff;
  color:#3730a3;
  font-size:13px;
  font-weight:900;
}
.image-preview-wrap{
  margin-top:16px;
}
.image-preview{
  display:block;
  margin-top:10px;
  width:180px;
  height:180px;
  object-fit:contain;
  border-radius:16px;
  border:1px solid var(--line);
  background:#f8fafc;
}
.pager{text-align:center;margin:50px 0;color:#555;font-size:20px}
.back{
  border:0;background:#f3f4f6;border-radius:14px;padding:14px 18px;font-size:16px;margin-bottom:26px;cursor:pointer;
}
.detail-head{
  display:grid;
  grid-template-columns:120px 1fr;
  gap:24px;
  align-items:center;
  max-width:920px;
  margin:0 auto 44px;
}
.detail-head img{width:120px;height:120px;object-fit:contain;border-radius:18px;background:#f3f4f6}
.breadcrumbs{font-size:14px;color:#777;margin-bottom:8px}
.detail-head h2{font-size:32px;margin:0 0 8px}
.tabs{
  display:flex;
  gap:8px;
  overflow-x:auto;
  margin:0 auto 42px;
  max-width:920px;
  padding-bottom:8px;
}
.tab{
  border:0;background:white;padding:12px 18px;border-radius:18px;
  font-weight:750;white-space:nowrap;cursor:pointer;
}
.tab.active{background:#050505;color:white}
.detail-content{
  max-width:920px;margin:0 auto;display:grid;gap:38px;
}
.info-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:26px;
  background:white;
}
.info-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 28px;
}
.info-label{color:#81848d;font-size:14px;font-weight:700;margin-bottom:5px}
.info-value{font-size:17px;font-weight:650}
.price-grid{display:grid;gap:16px}
.price-box{
  border:1px solid var(--line);border-radius:16px;padding:22px;background:#fff;
}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:8px}
.green{background:var(--ok)}.red{background:var(--danger)}.yellow{background:var(--warn)}
.media-grid,.oem-grid,.programmer-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:18px;
}
.media-card,.oem-card{
  border:1px solid var(--line);
  border-radius:16px;
  padding:18px;
  background:white;
}
.media-thumb{
  aspect-ratio:16/9;
  width:100%;
  border-radius:12px;
  background:linear-gradient(135deg,#e5e7eb,#f9fafb);
  display:grid;
  place-items:center;
  font-weight:800;
  color:#4b5563;
  margin-bottom:14px;
}
ul.clean{margin:0;padding-left:22px;color:#48505a;line-height:1.75}
.admin-grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(280px,.65fr);
  gap:24px;
}
.form-card label{
  display:block;
  font-weight:750;
  color:#383b42;
  margin:16px 0 0;
}
.form-card input,.form-card textarea,.form-card select{
  margin-top:8px;
  font-size:16px;
  border-radius:13px;
  padding:13px 14px;
}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-actions{display:flex;gap:12px;margin-top:24px;flex-wrap:wrap}
.primary,.secondary,.danger{
  border:0;border-radius:14px;padding:14px 18px;font-size:16px;font-weight:800;cursor:pointer;
}
.primary{background:#050505;color:white}
.secondary{background:#eef0f4;color:#111}
.danger{background:#fee2e2;color:#991b1b}
.admin-list{display:grid;gap:12px}
.admin-item{
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
  display:grid;
  gap:9px;
}
.admin-item strong{line-height:1.25}
.admin-actions{display:flex;gap:8px;flex-wrap:wrap}
.admin-actions button{
  border:0;border-radius:10px;padding:9px 11px;cursor:pointer;background:#f3f4f6;font-weight:700;
}
.admin-actions button.delete{background:#fee2e2;color:#991b1b}
.admin-actions button:disabled{opacity:.45;cursor:not-allowed}
.admin-only.hidden,.master-only.hidden{display:none!important}
footer{
  border-top:1px solid var(--line);
  text-align:center;
  padding:62px 20px 38px;
  color:#777;
}
footer strong{font-size:26px;color:#111}
footer small{display:block;margin-top:38px}
@media(max-width:760px){
  .topbar{height:74px;padding:0 18px}
  .brand{font-size:24px}
  .ghost,.file-label{display:none}
  .user-badge{display:none}
  main{padding:42px 16px 70px}
  h1{font-size:44px;margin:22px 0 34px}
  .filter-row{grid-template-columns:1fr 62px;gap:8px}
  select,.search{font-size:20px;padding:16px 18px;border-radius:12px}
  .reset{font-size:16px}
  .key-list{gap:26px}
  .key-row{
    grid-template-columns:140px 1fr;
    gap:24px;
    padding:0;
    min-height:140px;
  }
  .key-img{width:140px;height:140px}
  .key-meta{font-size:20px}
  .key-title{font-size:24px}
  .detail-head{grid-template-columns:90px 1fr}
  .detail-head img{width:90px;height:90px}
  .detail-head h2{font-size:24px}
  .info-grid{grid-template-columns:1fr}
  .admin-grid{grid-template-columns:1fr}
  .two{grid-template-columns:1fr}
}