:root {
    --sf-label-size: .9375rem;
    --sf-input-size: 1rem;
    --sf-help-size: .8125rem;
    --sf-eyebrow-size: .75rem;
    --sf-tile-title-size: 1rem;
    --sf-tile-meta-size: .875rem;

    --sf-gap: .75rem;
    --sf-section-gap: 1.25rem;
    --sf-radius: .5rem;

    --sf-border: #ced4da;
    --sf-ink: #212529;
    --sf-accent: #0d6efd;
    --sf-accent-soft: #e7f0ff;
}

.sf-page {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
}

.sf-card {
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
}

.sf-card > .card-body {
    padding: 1.5rem;
}

@media (max-width: 767.98px) {
    .sf-card > .card-body {
        padding: 1rem;
    }
}

.sf-form .form-label {
    font-size: var(--sf-label-size);
    font-weight: 700;
    margin-bottom: .25rem;
    color: var(--sf-ink);
}

.sf-form .form-control,
.sf-form .form-select {
    font-size: var(--sf-input-size);
    font-weight: 500;
    color: var(--sf-ink);
    padding: .4375rem .75rem;
}

.sf-form .form-text {
    font-size: var(--sf-help-size);
    font-weight: 500;
    color: var(--sf-ink);
    margin-top: .1875rem;
}

.sf-form .invalid-feedback {
    font-size: var(--sf-help-size);
    font-weight: 600;
}

.sf-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--sf-ink);
    margin-bottom: 0;
}

.sf-subtitle {
    font-size: var(--sf-help-size);
    font-weight: 500;
    color: var(--sf-ink);
    margin-bottom: 0;
}

.sf-step-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: .75rem;
}

.sf-step-head__label {
    display: inline-flex;
    align-items: center;
    gap: .375rem;
    font-size: var(--sf-eyebrow-size);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--sf-ink);
}

.sf-section {
    margin-bottom: var(--sf-section-gap);
}

.sf-eyebrow {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-size: var(--sf-eyebrow-size);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--sf-ink);
    margin-bottom: .5rem;
}

.sf-eyebrow::after {
    content: "";
    flex: 1 1 auto;
    height: 1px;
    background: var(--sf-border);
}

.sf-eyebrow .bi {
    font-size: .875rem;
}

.sf-tile {
    display: block;
    width: 100%;
    text-align: left;
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    background: #fff;
    color: #212529;
    padding: .625rem .75rem;
    line-height: 1.35;
    transition: border-color .12s ease, background-color .12s ease, box-shadow .12s ease;
}

.sf-tile:hover {
    border-color: #adb5bd;
    background: #f8f9fa;
    color: #212529;
}

.btn-check:checked + .sf-tile {
    border-color: var(--sf-accent);
    background: var(--sf-accent-soft);
    color: #212529;
    box-shadow: inset 0 0 0 1px var(--sf-accent);
}

.btn-check:focus + .sf-tile {
    box-shadow: 0 0 0 .2rem rgba(13, 110, 253, .25);
}

.btn-check:checked:focus + .sf-tile {
    box-shadow: inset 0 0 0 1px var(--sf-accent), 0 0 0 .2rem rgba(13, 110, 253, .25);
}

.sf-group-invalid .sf-tile {
    border-color: #dc3545;
}

.sf-group-invalid .sf-invalid-note {
    display: block;
}

.sf-invalid-note {
    display: none;
    font-size: var(--sf-help-size);
    color: #dc3545;
    margin-top: .25rem;
}

.sf-payer-group {
    display: grid;
    gap: var(--sf-gap);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sf-tile--payer {
    display: flex;
    align-items: center;
    gap: .625rem;
    padding: .75rem;
}

.sf-tile--payer .bi {
    font-size: 1.375rem;
    color: var(--sf-ink);
    flex: 0 0 auto;
}

.btn-check:checked + .sf-tile--payer .bi {
    color: var(--sf-accent);
}

.sf-tile--payer .sf-tile__label {
    font-size: var(--sf-tile-title-size);
    font-weight: 700;
}

@media (max-width: 479.98px) {
    .sf-payer-group {
        grid-template-columns: 1fr;
    }
}

.sf-seminar-list {
    display: grid;
    gap: .5rem;
    max-height: 17rem;
    overflow-y: auto;
    padding: 2px;
    margin: -2px;
}

.sf-tile--seminar {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: .125rem .75rem;
    align-items: start;
}

.sf-tile__title {
    grid-column: 1;
    font-size: var(--sf-tile-title-size);
    font-weight: 700;
    color: var(--sf-ink);
}

.sf-tile__badges {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
    display: flex;
    gap: .25rem;
    flex-wrap: wrap;
}

.sf-tile__subtitle {
    grid-column: 1 / -1;
    font-size: var(--sf-tile-meta-size);
    font-weight: 500;
    color: var(--sf-ink);
}

.sf-tile__meta {
    grid-column: 1;
    display: flex;
    flex-wrap: wrap;
    gap: .25rem .875rem;
    font-size: var(--sf-tile-meta-size);
    font-weight: 600;
    color: var(--sf-ink);
}

.sf-tile__meta .bi {
    margin-right: .1875rem;
}

.sf-tile__price {
    grid-column: 2;
    grid-row: 2;
    justify-self: end;
    text-align: right;
    font-size: var(--sf-tile-meta-size);
    font-weight: 700;
    color: var(--sf-ink);
    white-space: nowrap;
}

.sf-tile__price-was {
    display: block;
    font-weight: 500;
    color: var(--sf-ink);
    text-decoration: line-through;
}

@media (max-width: 575.98px) {
    .sf-tile--seminar {
        grid-template-columns: 1fr;
    }

    .sf-tile__badges,
    .sf-tile__price {
        grid-column: 1;
        grid-row: auto;
        justify-self: start;
        text-align: left;
    }
}

.sf-hero {
    background: #f8faff;
    border: 1px solid #cfe0ff;
    border-radius: var(--sf-radius);
    padding: 1rem;
}

.sf-hero__title {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    text-align: center;
    color: var(--sf-ink);
    margin-bottom: .75rem;
}

.sf-summary {
    display: flex;
    align-items: center;
    gap: .5rem 1.25rem;
    flex-wrap: wrap;
    background: #f8faff;
    border: 1px solid #cfe0ff;
    border-radius: var(--sf-radius);
    padding: .625rem .75rem;
    margin-bottom: var(--sf-section-gap);
}

.sf-summary__item {
    display: flex;
    align-items: center;
    gap: .375rem;
    font-size: var(--sf-tile-meta-size);
    font-weight: 600;
    color: var(--sf-ink);
    min-width: 0;
}

.sf-summary__item .bi {
    color: var(--sf-accent);
    flex: 0 0 auto;
}

.sf-summary__item strong {
    color: var(--sf-ink);
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sf-participant {
    border: 1px solid var(--sf-border);
    border-radius: var(--sf-radius);
    padding: .75rem;
    margin-bottom: .5rem;
}

.sf-participant:last-child {
    margin-bottom: 0;
}

.sf-participant__number {
    display: block;
    font-size: var(--sf-eyebrow-size);
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    color: var(--sf-ink);
    margin-bottom: .375rem;
}

.sf-submit-bar {
    position: sticky;
    bottom: 0;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: var(--sf-section-gap);
    padding-top: .875rem;
    border-top: 1px solid var(--sf-border);
    background: #fff;
}

.sf-submit-bar .btn {
    font-size: var(--sf-input-size);
    padding: .5rem 1.5rem;
}

.sf-submit-bar__note {
    font-size: var(--sf-help-size);
    font-weight: 600;
    color: var(--sf-ink);
    margin: 0;
}

@media (max-width: 575.98px) {
    .sf-submit-bar {
        flex-direction: column-reverse;
        align-items: stretch;
    }

    .sf-submit-bar .btn {
        width: 100%;
    }
}