:root{
  --bg:#090909;--panel:#141414;--panel2:#181818;--line:rgba(255,255,255,.08);--gold:#d4a62a;--text:#f5f5f5;--muted:#aaaaaa;
}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#060606,#111);color:var(--text)}
.admin-shell{display:grid;grid-template-columns:280px 1fr;min-height:100vh}
.sidebar{padding:24px;border-right:1px solid var(--line);background:rgba(0,0,0,.35);backdrop-filter:blur(10px)}
.brand-card{display:flex;gap:14px;align-items:center;padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--panel)}
.brand-logo{width:54px;height:54px;border-radius:18px;background:linear-gradient(135deg,#f4cc1f,#b68217);display:grid;place-items:center;color:#111;font-weight:900}
.brand-logo.big{width:82px;height:82px;border-radius:24px;margin:0 auto 14px;font-size:1.8rem}
.side-nav{display:grid;gap:10px;margin:22px 0}
.side-nav a{padding:14px 16px;border-radius:16px;background:var(--panel);border:1px solid var(--line);color:#fff;text-decoration:none}
.side-nav a:hover{outline:2px solid rgba(212,166,42,.25)}
.side-note{margin-top:18px;padding:18px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}
.content{padding:28px}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}
h1,h2{margin:0 0 10px}
.muted{color:var(--muted)}
.center{text-align:center}
.panel{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);border-radius:26px;padding:22px}
.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:24px}
.stat-card{background:linear-gradient(135deg,#171717,#111);border:1px solid var(--line);border-radius:24px;padding:24px}
.stat-card span{display:block;color:var(--muted);margin-bottom:10px}
.stat-card strong{font-size:2rem;color:#f6d562}
.grid-two{display:grid;grid-template-columns:1fr 1.3fr;gap:22px;margin-bottom:24px}
.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.qa-card{display:block;padding:22px;border-radius:20px;border:1px solid var(--line);background:#0f0f0f;color:#fff;font-weight:700;text-decoration:none}
.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{color:#f1d36a;background:rgba(255,215,0,.05)}
.form-stack{display:grid;gap:16px}
.inline-2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:grid;gap:8px;color:#ddd}
input, textarea, select{width:100%;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:#0d0d0d;color:#fff}
.btn{display:inline-flex;justify-content:center;align-items:center;padding:12px 18px;border-radius:14px;border:none;text-decoration:none;font-weight:800;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#f4cc1f,#c18c1c);color:#111}
.btn-secondary{background:#262626;color:#fff}
.btn-danger{background:#571616;color:#fff}
.small{padding:9px 12px;font-size:.88rem}
.alert{padding:16px 18px;border-radius:18px;background:#3b1616;border:1px solid #712727;margin-bottom:18px}
.alert.success{background:#13311f;border-color:#24543b}
.simple-list{display:grid;gap:10px}
.list-row{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;background:#101010;border:1px solid var(--line)}
.table-thumb{width:64px;height:64px;object-fit:cover;border-radius:14px}
.thumb-preview{width:130px;height:130px;object-fit:cover;border-radius:18px;border:1px solid var(--line)}
.status{padding:7px 11px;border-radius:999px;font-size:.84rem;text-transform:capitalize}
.status.activo{background:#12391f;color:#80ffaa}
.status.inactivo{background:#452020;color:#ff9d9d}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.login-body{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top, rgba(212,166,42,.16), transparent 30%), linear-gradient(180deg,#050505,#111)}
.login-card{width:min(460px,calc(100% - 24px));padding:28px;border-radius:28px;background:linear-gradient(180deg,#141414,#0f0f0f);border:1px solid var(--line);box-shadow:0 20px 60px rgba(0,0,0,.45)}
.demo-box{margin-top:16px;padding:16px;border-radius:16px;background:#101010;border:1px solid var(--line)}
@media (max-width:980px){.admin-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--line)}.stats-grid,.grid-two{grid-template-columns:1fr}.quick-actions{grid-template-columns:1fr}}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-actions{display:flex;gap:10px;flex-wrap:wrap}
.topbar-link{display:inline-flex;align-items:center;padding:10px 14px;border-radius:14px;background:var(--panel);border:1px solid var(--line);color:#fff;text-decoration:none}
.topbar-link:hover{outline:2px solid rgba(212,166,42,.2)}