:root{
  --adm-bg:#f4f5f7;
  --adm-panel:#ffffff;
  --adm-border:#e3e5e9;
  --adm-text:#1f2330;
  --adm-text-soft:#6b7280;
  --adm-red:#C8102E;
  --adm-red-dark:#8B0000;
  --adm-sidebar:#181a1f;
  --adm-sidebar-text:#cfd2d8;
  --adm-radius:12px;
  --adm-shadow:0 4px 18px rgba(0,0,0,0.06);
  --font-body:'DM Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:var(--font-body);
  background:var(--adm-bg);
  color:var(--adm-text);
  line-height:1.5;
}
a{color:inherit}
.adm-layout{display:flex;min-height:100vh}

.adm-sidebar{
  width:250px;flex-shrink:0;background:var(--adm-sidebar);
  color:var(--adm-sidebar-text);display:flex;flex-direction:column;
  position:sticky;top:0;height:100vh;overflow-y:auto;
}
.adm-brand{
  padding:1.5rem;font-weight:900;font-size:1.1rem;color:#fff;
  display:flex;align-items:center;gap:0.6rem;border-bottom:1px solid rgba(255,255,255,0.08);
}
.adm-brand i{color:var(--adm-red)}
.adm-nav{flex:1;padding:0.75rem;display:flex;flex-direction:column;gap:0.15rem}
.adm-nav-item{
  display:flex;align-items:center;gap:0.7rem;
  padding:0.65rem 0.9rem;border-radius:8px;
  font-size:0.86rem;font-weight:500;cursor:pointer;
  border:none;background:none;color:var(--adm-sidebar-text);
  text-align:left;width:100%;transition:all 0.2s;
}
.adm-nav-item i{width:18px;text-align:center;font-size:0.9rem}
.adm-nav-item:hover{background:rgba(255,255,255,0.06);color:#fff}
.adm-nav-item.active{background:var(--adm-red);color:#fff}
.adm-sidebar-footer{padding:1rem;border-top:1px solid rgba(255,255,255,0.08);display:flex;flex-direction:column;gap:0.5rem}

.adm-main{flex:1;min-width:0}
.adm-topbar{
  background:var(--adm-panel);border-bottom:1px solid var(--adm-border);
  padding:1.25rem 2rem;display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:10;
}
.adm-topbar h1{font-size:1.3rem;font-weight:800}
.adm-topbar p{font-size:0.85rem;color:var(--adm-text-soft);margin-top:0.2rem}
.adm-content{padding:2rem;max-width:1100px}

.adm-card{
  background:var(--adm-panel);border:1px solid var(--adm-border);
  border-radius:var(--adm-radius);padding:1.5rem;margin-bottom:1.5rem;
  box-shadow:var(--adm-shadow);
}
.adm-card h2{font-size:1.05rem;font-weight:700;margin-bottom:0.3rem}
.adm-card .adm-card-desc{font-size:0.83rem;color:var(--adm-text-soft);margin-bottom:1.25rem}

.adm-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1rem}
.adm-grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.adm-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}

.adm-field{display:flex;flex-direction:column;gap:0.4rem;margin-bottom:1rem}
.adm-field label{font-size:0.8rem;font-weight:600;color:var(--adm-text-soft)}
.adm-field input,.adm-field textarea,.adm-field select{
  width:100%;padding:0.6rem 0.85rem;border:1.5px solid var(--adm-border);
  border-radius:8px;font-size:0.88rem;font-family:inherit;
  background:#fafafa;color:var(--adm-text);transition:all 0.2s;outline:none;
}
.adm-field input:focus,.adm-field textarea:focus,.adm-field select:focus{
  border-color:var(--adm-red);background:#fff;box-shadow:0 0 0 3px rgba(200,16,46,0.08);
}
.adm-field textarea{resize:vertical;min-height:80px}
.adm-field input[type="color"]{padding:0.25rem;height:42px;cursor:pointer}
.adm-field input[type="number"]{max-width:140px}
.adm-field input[type="range"]{padding:0}

.adm-color-row{display:flex;align-items:center;gap:0.6rem}
.adm-color-row input[type="color"]{width:48px;flex-shrink:0}
.adm-color-row input[type="text"]{font-family:monospace}

.adm-btn{
  display:inline-flex;align-items:center;gap:0.5rem;
  padding:0.6rem 1.2rem;border-radius:8px;border:none;
  font-size:0.85rem;font-weight:600;cursor:pointer;transition:all 0.2s;
  font-family:inherit;
}
.adm-btn-primary{background:var(--adm-red);color:#fff}
.adm-btn-primary:hover{background:var(--adm-red-dark)}
.adm-btn-outline{background:transparent;border:1.5px solid var(--adm-border);color:var(--adm-text)}
.adm-btn-outline:hover{border-color:var(--adm-red);color:var(--adm-red)}
.adm-btn-danger{background:#fee2e2;color:#dc2626}
.adm-btn-danger:hover{background:#fecaca}
.adm-btn-sm{padding:0.4rem 0.8rem;font-size:0.78rem}
.adm-btn-block{width:100%;justify-content:center}
.adm-actions{display:flex;gap:0.6rem;flex-wrap:wrap;margin-top:1rem}

.adm-item{
  border:1px solid var(--adm-border);border-radius:10px;
  padding:1.1rem;margin-bottom:0.85rem;background:#fcfcfd;
}
.adm-item-header{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:0.85rem;gap:0.6rem;
}
.adm-item-title{font-weight:700;font-size:0.92rem;display:flex;align-items:center;gap:0.5rem}
.adm-item-title .adm-badge{
  background:var(--adm-border);color:var(--adm-text-soft);
  font-size:0.7rem;font-weight:700;padding:0.15rem 0.5rem;border-radius:99px;
}
.adm-item-controls{display:flex;gap:0.35rem}
.adm-icon-btn{
  width:32px;height:32px;border-radius:7px;border:1px solid var(--adm-border);
  background:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;color:var(--adm-text-soft);transition:all 0.2s;font-size:0.8rem;
}
.adm-icon-btn:hover{border-color:var(--adm-red);color:var(--adm-red)}
.adm-icon-btn.danger:hover{border-color:#dc2626;color:#dc2626;background:#fee2e2}

.adm-list-items{display:flex;flex-wrap:wrap;gap:0.4rem;margin-top:0.5rem}
.adm-tag{
  display:flex;align-items:center;gap:0.4rem;
  background:#f0f0f2;border-radius:99px;padding:0.3rem 0.4rem 0.3rem 0.8rem;
  font-size:0.8rem;
}
.adm-tag button{
  background:none;border:none;cursor:pointer;color:var(--adm-text-soft);
  width:20px;height:20px;border-radius:50%;display:flex;align-items:center;justify-content:center;
}
.adm-tag button:hover{background:#fee2e2;color:#dc2626}

.adm-img-preview{
  width:100%;height:120px;object-fit:cover;border-radius:8px;
  border:1px solid var(--adm-border);margin-bottom:0.6rem;background:#eee;
}

.adm-toolbar{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:1rem;flex-wrap:wrap;gap:0.75rem;
}

.adm-toast{
  position:fixed;bottom:1.5rem;right:1.5rem;z-index:9999;
  background:#1a1a2e;color:#fff;padding:0.9rem 1.4rem;border-radius:10px;
  font-size:0.88rem;display:flex;align-items:center;gap:0.6rem;
  transform:translateY(20px);opacity:0;transition:all 0.3s;box-shadow:0 8px 24px rgba(0,0,0,0.25);
}
.adm-toast.show{transform:none;opacity:1}
.adm-toast i{color:#4ade80}

.adm-section{display:none}
.adm-section.active{display:block}

.adm-rating-stars{display:flex;gap:0.3rem;font-size:1.1rem;color:#f59e0b;cursor:pointer}
.adm-rating-stars i.far{color:var(--adm-border)}

.adm-help{font-size:0.78rem;color:var(--adm-text-soft);margin-top:0.3rem}

textarea.adm-json{
  font-family:monospace;font-size:0.78rem;min-height:300px;white-space:pre;
}

@media(max-width:900px){
  .adm-layout{flex-direction:column}
  .adm-sidebar{width:100%;height:auto;position:relative;flex-direction:row;overflow-x:auto}
  .adm-brand{display:none}
  .adm-nav{flex-direction:row;padding:0.5rem}
  .adm-nav-item{white-space:nowrap}
  .adm-sidebar-footer{display:none}
  .adm-grid-2,.adm-grid-3{grid-template-columns:1fr}
  .adm-content{padding:1.25rem}
}