* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; color: #333; }
header nav { display: flex; justify-content: space-between; align-items: center; padding: 1rem 2rem; background: #1a1a2e; color: white; }
.logo { color: white; text-decoration: none; font-size: 1.25rem; font-weight: bold; }
.nav-links a { color: #ccc; text-decoration: none; margin-left: 1.5rem; }
main { max-width: 960px; margin: 2rem auto; padding: 0 1rem; }
.auth-container { max-width: 400px; margin: 4rem auto; }
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.25rem; font-weight: 500; }
.form-control { width: 100%; padding: 0.5rem; border: 1px solid #ddd; border-radius: 4px; }
.btn { padding: 0.5rem 1.5rem; border: none; border-radius: 4px; cursor: pointer; font-size: 1rem; }
.btn-primary { background: #2563eb; color: white; }
.flash { padding: 0.75rem 1rem; margin-bottom: 1rem; border-radius: 4px; }
.flash-error { background: #fee; color: #c00; }
.flash-success { background: #efe; color: #070; }
.flash-warning { background: #ffe; color: #960; }
footer { text-align: center; padding: 2rem; color: #999; }
.sandbox-banner { background: #fff3cd; color: #856404; padding: 0.75rem 1.5rem; text-align: center; border-bottom: 1px solid #ffc107; }
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin: 2rem 0; }
.stat-card { background: white; border: 1px solid #e5e7eb; border-radius: 8px; padding: 1.5rem; text-align: center; }
.stat-value { font-size: 2rem; font-weight: 700; color: #1a1a2e; }
.stat-label { color: #6b7280; margin-top: 0.25rem; }
.wizard-container { max-width: 720px; margin: 0 auto; }
.wizard-progress { display: flex; justify-content: space-between; margin-bottom: 2rem; }
.wizard-step { text-align: center; flex: 1; }
.wizard-step-number { display: inline-block; width: 28px; height: 28px; line-height: 28px; border-radius: 50%; background: #e5e7eb; color: #6b7280; font-size: 0.85rem; }
.wizard-step.active .wizard-step-number { background: #2563eb; color: white; }
.wizard-step.completed .wizard-step-number { background: #10b981; color: white; }
.wizard-step-label { display: block; font-size: 0.7rem; color: #6b7280; margin-top: 0.25rem; }
.card { border: 1px solid #e5e7eb; border-radius: 8px; margin-bottom: 1.5rem; }
.card-header { padding: 1rem 1.5rem; border-bottom: 1px solid #e5e7eb; }
.card-body { padding: 1.5rem; }
.form-row { display: flex; gap: 1rem; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 150px; }
.review-section { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid #f3f4f6; }
.review-section h3 { display: flex; justify-content: space-between; align-items: center; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 0.5rem; text-align: left; border-bottom: 1px solid #f3f4f6; }
.btn-outline { background: white; border: 1px solid #d1d5db; color: #374151; padding: 0.5rem 1rem; border-radius: 4px; cursor: pointer; }
.btn-danger { background: #ef4444; color: white; border: none; padding: 0.25rem 0.75rem; border-radius: 4px; cursor: pointer; }
.btn-sm { padding: 0.25rem 0.75rem; font-size: 0.85rem; }
.text-muted { color: #6b7280; }
.text-small { font-size: 0.85rem; }

/* Mobile header hamburger — hidden on desktop */
.header-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.4rem;
    margin-right: 0.5rem;
}
.header-menu-toggle .hamburger-bar {
    display: block;
    width: 22px;
    height: 2px;
    background: #fff;
    border-radius: 2px;
}
@media (max-width: 768px) {
    .header-menu-toggle { display: flex; }
    main { max-width: 100%; padding: 0; }

    /* Sidebar brand area */
    .sidebar-brand {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.75rem 1.25rem 0.5rem;
        font-weight: 700;
        color: #fff;
        font-size: 1rem;
    }
    .nav-brand-logo {
        max-height: 32px;
        max-width: 140px;
        object-fit: contain;
    }
}