:root{
  --isdin-red:#ed2f45;
  --isdin-red-dark:#d92339;
  --isdin-bg:#f5f6f8;
  --isdin-card:#ffffff;
  --isdin-text:#63666a;
  --isdin-title:#4e5055;
  --isdin-border:#e7e9ee;
  --isdin-radius:16px;
}
body.isdin-private-portal{background:var(--isdin-bg);color:var(--isdin-text);font-family:Inter,Arial,sans-serif}
.isdin-shell{display:grid;grid-template-columns:220px 1fr 280px;min-height:100vh;background:var(--isdin-bg)}
.isdin-sidebar{background:#fff;border-right:1px solid var(--isdin-border);position:sticky;top:0;height:100vh;padding:24px 16px}
.isdin-sidebar a{display:flex;gap:10px;align-items:center;padding:12px 14px;border-radius:12px;color:var(--isdin-text);text-decoration:none;font-weight:600;margin-bottom:4px}
.isdin-sidebar a:hover,.isdin-sidebar a.is-active{background:#fde8eb;color:var(--isdin-red)}
.isdin-main{padding:28px}
.isdin-panel,.isdin-card,.isdin-event,.isdin-stat{background:#fff;border:1px solid var(--isdin-border);border-radius:var(--isdin-radius);box-shadow:0 8px 24px rgba(0,0,0,.035)}
.isdin-panel{padding:28px;margin-bottom:28px}
.isdin-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.isdin-card{overflow:hidden}.isdin-card__image img{width:100%;height:180px;object-fit:cover;display:block}.isdin-card__body{padding:18px}.isdin-card h3{margin:0 0 6px;color:var(--isdin-title)}
.isdin-btn{display:inline-flex;justify-content:center;align-items:center;background:var(--isdin-red);color:#fff!important;border-radius:10px;padding:12px 18px;text-decoration:none;font-weight:700;border:0}.isdin-btn:hover{background:var(--isdin-red-dark)}
.isdin-login-page{min-height:100vh;display:grid;grid-template-columns:1.3fr 1fr;background:#f4f5f7}.isdin-login-hero{position:relative;color:#fff;padding:80px;background:linear-gradient(90deg,rgba(237,47,69,.95),rgba(237,47,69,.55)),var(--isdin-login-image,none);background-size:cover;background-position:center}.isdin-login-card{max-width:520px;margin:auto;background:#fff;border-radius:24px;padding:56px;box-shadow:0 24px 50px rgba(0,0,0,.15)}
@media(max-width:1024px){.isdin-shell{grid-template-columns:90px 1fr}.isdin-activity{display:none}.isdin-card-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:767px){.isdin-shell,.isdin-login-page{display:block}.isdin-sidebar{height:auto;position:relative}.isdin-card-grid{grid-template-columns:1fr}.isdin-main{padding:18px}.isdin-login-hero{padding:40px 24px}.isdin-login-card{margin:24px;padding:32px}}