*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:#f3f4f6;color:#111}.admin-shell{display:flex;min-height:100vh}.sidebar{width:240px;background:#111;color:#fff;padding:28px;position:sticky;top:0;height:100vh}.sidebar h1{font-size:34px;line-height:.95;margin:0 0 35px}.sidebar a{display:block;color:#ddd;text-decoration:none;padding:14px 0;border-bottom:1px solid #333}.hint{margin-top:40px;color:#999;font-size:13px}main{flex:1;padding:28px;max-width:1400px}.hero{background:#111;color:white;border-radius:28px;padding:30px;display:flex;justify-content:space-between;gap:20px;margin-bottom:24px}.hero h2{font-size:48px;margin:0}.hero p{color:#bbb}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.stats div{background:#222;border:1px solid #333;border-radius:18px;padding:18px;min-width:110px}.stats b{font-size:34px;display:block}.stats span{color:#aaa}.card{background:white;border-radius:24px;padding:24px;margin-bottom:24px;box-shadow:0 10px 30px rgba(0,0,0,.06)}h3{font-size:28px;margin:0 0 18px}.screen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.screen-card,.product-form,.edit-form{display:grid;gap:10px}.screen-card{background:#f8fafc;border:1px solid #e5e7eb;border-radius:18px;padding:16px}input,textarea,select{width:100%;padding:12px;border:1px solid #d1d5db;border-radius:12px;font-size:15px}textarea{min-height:80px;grid-column:1/-1}button,.open{border:0;background:#111;color:#fff;padding:12px 16px;border-radius:12px;text-decoration:none;text-align:center;cursor:pointer}.open{background:#374151}.product-form,.edit-form{grid-template-columns:repeat(4,1fr)}.check{display:flex;gap:8px;align-items:center}.check input{width:auto}.products-list{display:grid;gap:12px}.product-row{border:1px solid #e5e7eb;border-radius:16px;padding:12px;background:#fafafa}.product-row summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center}.product-row small{display:block;color:#666;margin-top:4px}.product-row em{font-style:normal;background:#111;color:#fff;border-radius:999px;padding:6px 10px;font-size:12px}.thumb{width:110px;height:80px;object-fit:cover;border-radius:12px}.danger{background:#b91c1c;margin-top:10px}@media(max-width:1000px){.admin-shell{display:block}.sidebar{width:auto;height:auto;position:relative}.screen-grid,.stats,.product-form,.edit-form{grid-template-columns:1fr}.hero{display:block}}

.config-form{display:grid;gap:10px;max-width:620px}.config-form input{font-size:22px;font-weight:800;text-transform:uppercase}.muted{color:#64748b;margin-top:-6px}
.brand{margin-bottom:32px}.brand-logo{width:54px;height:54px;border-radius:16px;background:#222;display:flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:14px}.brand h1{font-size:24px;line-height:1.05;margin:0 0 8px;text-transform:uppercase;word-break:break-word}.brand span{display:block;color:#aaa;font-size:13px}.sidebar>h1{display:none}

/* Login v3.3 */
.login-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at top,#2d2116,#0e0e10 55%,#050505);margin:0;color:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial}
.login-card{width:min(420px,92vw);background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:28px;padding:34px;box-shadow:0 24px 70px rgba(0,0,0,.45);backdrop-filter:blur(12px)}
.login-logo{width:72px;height:72px;border-radius:24px;background:linear-gradient(135deg,#ffcc66,#ff7a1a);display:flex;align-items:center;justify-content:center;font-size:34px;margin-bottom:18px}
.login-card h1{margin:0;font-size:30px;letter-spacing:.5px}.login-card p{margin:6px 0 24px;color:#cfcfcf}.login-card label{display:block;margin:16px 0 7px;font-size:14px;color:#ddd}.login-card input{width:100%;box-sizing:border-box;border:1px solid rgba(255,255,255,.15);border-radius:15px;padding:14px 15px;background:rgba(0,0,0,.28);color:#fff;font-size:16px;outline:none}.login-card input:focus{border-color:#ffbf55}.login-card button{width:100%;border:0;border-radius:16px;margin-top:22px;padding:14px 16px;font-size:17px;font-weight:800;background:linear-gradient(135deg,#ffbf55,#ff6a00);color:#171717;cursor:pointer}.login-card small{display:block;margin-top:18px;color:#aaa;text-align:center}.login-error{background:#4b1111;border:1px solid #ff6b6b;color:#ffd7d7;border-radius:14px;padding:12px;margin-bottom:12px}.logout,.top-logout{color:#ffbf55;text-decoration:none;font-weight:800}.top-logout{margin-left:12px;white-space:nowrap}
.sidebar a.active{color:#fff;font-weight:800}.flash-wrap{display:grid;gap:10px;margin-bottom:16px}.flash{padding:13px 16px;border-radius:14px;font-weight:700}.flash.ok{background:#dcfce7;color:#166534;border:1px solid #86efac}.flash.error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}.users-list{display:grid;gap:12px}.user-row summary b{font-size:18px}.audit-list{display:grid;gap:10px}.audit-item{background:#f8fafc;border:1px solid #e5e7eb;border-radius:16px;padding:14px}.audit-item b{display:block}.audit-item span{display:block;color:#64748b;font-size:13px;margin-top:3px}.audit-item p{margin:8px 0 0;color:#334155}.sidebar .logout{border-bottom:0;padding:0;display:inline}.sidebar .hint a{border-bottom:0}.product-form input[type=password],.edit-form input[type=password]{font-family:inherit}

/* Login v3.6 */
.login-help{display:block;margin-top:14px;color:#8a8f98;font-size:13px}
.password-row{display:flex;gap:8px;align-items:center}
.password-row input{flex:1}
.toggle-pass{width:46px;border:0;border-radius:12px;background:#222;color:#fff;cursor:pointer;font-size:16px}
.remember-row{display:flex!important;align-items:center;gap:8px;margin:10px 0 12px!important;font-size:14px;color:#555}
.remember-row input{width:auto!important}
.login-card h1{letter-spacing:.5px}

/* FIX v3.6.1: el botón de mostrar contraseña no debe ocupar todo el ancho */
.password-row{
  display:grid;
  grid-template-columns:1fr 52px;
  gap:8px;
  align-items:center;
}
.password-row input{
  min-width:0;
}
.login-card .toggle-pass{
  width:52px;
  height:52px;
  margin-top:0;
  padding:0;
  border-radius:15px;
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:18px;
  line-height:1;
  background:rgba(255,255,255,.12);
  color:#fff;
  border:1px solid rgba(255,255,255,.15);
}
.login-card .toggle-pass:hover{
  background:rgba(255,255,255,.2);
}