:root{ --accent:#ffd166; }
body{font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji","Segoe UI Emoji", sans-serif;}
.navbar.bg-primary{background:#0d47a1 !important}
.text-accent{color:var(--accent)}
.btn-accent{background:var(--accent); color:#222}
.btn-accent:hover{background:#f5c24c;color:#111}
.hero{background:linear-gradient(135deg,#0d47a1 0%, #1565c0 60%, #1976d2 100%); color:#fff}
.topic{background:#f8f9fa;border:1px solid #e9ecef;border-radius:.5rem;padding:.75rem 1rem}
.sponsor{height:64px;border:1px dashed #cbd5e1;border-radius:.5rem;background:#fff;display:flex;align-items:center;justify-content:center;color:#64748b}
.countdown{font-size:1.25rem;font-weight:600}