:root {
    --registration-shell: #f4f8fb;
    --registration-line: rgba(18, 141, 149, 0.14);
    --registration-line-strong: rgba(18, 141, 149, 0.22);
    --registration-success: #21a659;
    --registration-success-soft: rgba(33, 166, 89, 0.1);
    --registration-blue: #1b72d2;
    --registration-blue-deep: #1457a4;
}

.registration-module {
    padding: 2rem 0 3.5rem;
    background: linear-gradient(180deg, #f8fbfd 0%, #ffffff 100%);
}

.registration-shell {
    display: grid;
    gap: 1.4rem;
}

.registration-shell-grid {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 1.5rem;
    align-items: start;
}

.registration-sidebar-card,
.registration-main-card,
.registration-summary-card,
.registration-start-card,
.receipt-sheet {
    border-radius: 24px;
    border: 1px solid var(--registration-line);
    background: #fff;
    box-shadow: 0 24px 58px rgba(18, 141, 149, 0.1);
}

.registration-sidebar-card {
    padding: 1.25rem;
}

.registration-sidebar-label,
.registration-section-label {
    margin: 0 0 1rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.76rem;
    font-weight: 800;
    color: var(--ink-soft);
}

.registration-sidebar-nav {
    display: grid;
    gap: 0.35rem;
}

.registration-step-link {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    color: var(--ink);
    transition: background-color 0.2s ease, transform 0.2s ease;
}

.registration-step-link:hover {
    background: rgba(25, 179, 187, 0.08);
}

.registration-step-link.is-active {
    background: rgba(25, 179, 187, 0.12);
    font-weight: 700;
}

.registration-step-link.is-complete {
    color: var(--registration-success);
}

.registration-step-link.is-disabled {
    opacity: 0.55;
    pointer-events: none;
}

.registration-step-check {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    border: 1px solid var(--registration-line-strong);
    background: #fff;
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--ink-soft);
}

.registration-step-link.is-complete .registration-step-check {
    background: var(--registration-success-soft);
    border-color: rgba(33, 166, 89, 0.22);
    color: var(--registration-success);
}

.registration-status-banner {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 1rem;
    align-items: center;
    padding: 1.1rem 1.2rem;
    border-left: 4px solid var(--registration-success);
    border-radius: 18px;
    background: #fff;
    border: 1px solid var(--registration-line);
    box-shadow: 0 18px 40px rgba(18, 141, 149, 0.08);
}

.registration-status-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: var(--registration-success-soft);
    color: var(--registration-success);
    font-weight: 800;
}

.registration-status-banner strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--registration-success);
}

.registration-status-banner p {
    margin-bottom: 0;
    color: var(--ink-soft);
}

.registration-status-meta {
    display: grid;
    gap: 0.4rem;
    justify-items: end;
}

.registration-status-meta span,
.registration-pill {
    display: inline-flex;
    align-items: center;
    min-height: 2rem;
    padding: 0.45rem 0.8rem;
    border-radius: 999px;
    border: 1px solid var(--registration-line);
    background: #fff;
    color: var(--ink-soft);
    font-size: 0.86rem;
    font-weight: 700;
}

.registration-main-card {
    overflow: hidden;
}

.registration-card-head,
.registration-card-body,
.registration-card-foot {
    padding: 1.4rem 1.5rem;
}

.registration-card-head {
    border-bottom: 1px solid var(--registration-line);
}

.registration-card-head h2,
.registration-summary-card h2,
.registration-start-card h2 {
    margin-bottom: 0.35rem;
    font-size: clamp(1.45rem, 2vw, 1.95rem);
}

.registration-card-head p,
.registration-summary-card p,
.registration-start-card p {
    margin-bottom: 0;
    color: var(--ink-soft);
}

.registration-form-grid {
    display: grid;
    gap: 1rem;
}

.registration-form-grid.two-col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.registration-form-grid.three-col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.registration-form-grid.full-span {
    grid-column: 1 / -1;
}

.registration-field {
    display: grid;
    gap: 0.45rem;
}

.registration-field.full-span {
    grid-column: 1 / -1;
}

.registration-field label,
.registration-field > span {
    font-weight: 700;
    color: var(--ink);
}

.registration-field .required {
    color: var(--red-orange);
}

.registration-input,
.registration-select,
.registration-textarea {
    width: 100%;
    min-height: 3.1rem;
    padding: 0.86rem 1rem;
    border-radius: 14px;
    border: 1px solid var(--registration-line-strong);
    background: #fff;
    color: var(--ink);
    font: inherit;
}

.registration-textarea {
    min-height: 8rem;
    resize: vertical;
}

.registration-inline-grid,
.registration-radio-group,
.registration-action-row,
.registration-summary-grid,
.registration-summary-inline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
}

.registration-inline-grid {
    align-items: end;
}

.registration-radio-group {
    align-items: center;
    row-gap: 0.55rem;
}

.registration-radio {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.registration-form-note {
    color: var(--ink-soft);
    font-size: 0.92rem;
}

.registration-card-foot {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    border-top: 1px solid var(--registration-line);
    background: rgba(244, 248, 251, 0.55);
}

.registration-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: 0.85rem 1.2rem;
    border: 0;
    border-radius: 14px;
    font: inherit;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.registration-button:hover {
    transform: translateY(-1px);
}

.registration-button.primary {
    background: linear-gradient(135deg, var(--registration-blue), var(--registration-blue-deep));
    color: #fff;
    box-shadow: 0 18px 32px rgba(27, 114, 210, 0.18);
}

.registration-button.secondary {
    background: linear-gradient(135deg, var(--orange), var(--red-orange));
    color: #fff;
    box-shadow: 0 18px 32px rgba(245, 57, 8, 0.14);
}

.registration-button.ghost {
    border: 1px solid var(--registration-line-strong);
    background: #fff;
    color: var(--ink);
}

.registration-button.success {
    background: linear-gradient(135deg, #21a659, #16904a);
    color: #fff;
}

.registration-feedback {
    display: none;
    margin-bottom: 1rem;
    padding: 0.95rem 1rem;
    border-radius: 14px;
    font-weight: 600;
}

.registration-feedback.is-visible {
    display: block;
}

.registration-feedback.is-error {
    background: rgba(245, 57, 8, 0.1);
    color: var(--red-orange);
}

.registration-feedback.is-success {
    background: rgba(33, 166, 89, 0.12);
    color: var(--registration-success);
}

.registration-start-grid,
.registration-summary-grid {
    display: grid;
    gap: 1.25rem;
}

.registration-start-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.registration-summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.registration-start-card,
.registration-summary-card {
    padding: 1.6rem;
}

.registration-summary-stack {
    display: grid;
    gap: 0.85rem;
}

.registration-summary-row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--registration-line);
}

.registration-summary-row:last-child {
    padding-bottom: 0;
    border-bottom: 0;
}

.registration-summary-row strong {
    flex: 0 0 9rem;
}

.accommodation-package-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.accommodation-package-option {
    display: block;
}

.accommodation-package-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.accommodation-package-card {
    display: grid;
    gap: 0.85rem;
    height: 100%;
    padding: 1.15rem;
    border-radius: 20px;
    border: 1px solid var(--registration-line);
    background: rgba(255, 255, 255, 0.96);
    box-shadow: 0 16px 34px rgba(18, 141, 149, 0.08);
    cursor: pointer;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.accommodation-package-option:hover .accommodation-package-card {
    transform: translateY(-2px);
}

.accommodation-package-option input:checked + .accommodation-package-card {
    border-color: rgba(18, 141, 149, 0.4);
    box-shadow: 0 22px 38px rgba(18, 141, 149, 0.12);
    background: linear-gradient(180deg, rgba(25, 179, 187, 0.08), rgba(255, 255, 255, 0.98));
}

.accommodation-package-option input:disabled + .accommodation-package-card {
    opacity: 0.75;
    cursor: not-allowed;
}

.accommodation-package-head {
    display: flex;
    justify-content: space-between;
    align-items: start;
    gap: 0.8rem;
}

.accommodation-package-head strong {
    font-size: 1.1rem;
    color: var(--ink);
}

.accommodation-image-strip {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.45rem;
}

.accommodation-image-strip img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 12px;
    border: 1px solid var(--registration-line);
    background: #fff;
}

.registration-table-wrap {
    overflow-x: auto;
}

.registration-table {
    width: 100%;
    border-collapse: collapse;
    min-width: 560px;
}

.registration-table th,
.registration-table td {
    padding: 0.9rem 0.8rem;
    text-align: left;
    border-bottom: 1px solid var(--registration-line);
}

.registration-table th {
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-size: 0.8rem;
    color: var(--ink-soft);
}

.registration-empty {
    padding: 2.2rem 1.2rem;
    text-align: center;
    color: var(--ink-soft);
}

.registration-person-card {
    display: grid;
    gap: 1rem;
    padding: 1rem;
    border-radius: 18px;
    border: 1px solid var(--registration-line);
    background: rgba(244, 248, 251, 0.55);
}

.registration-person-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.registration-link {
    color: var(--registration-blue-deep);
    font-weight: 700;
}

.registration-receipt-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.25rem;
    padding: 0.45rem 0.8rem;
    border-radius: 10px;
    background: rgba(27, 114, 210, 0.12);
    color: var(--registration-blue-deep);
    font-size: 0.9rem;
    font-weight: 700;
}

.registration-meta-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.receipt-page {
    padding: 2.4rem 0 3.5rem;
    background: #eef3f8;
}

.receipt-sheet {
    width: min(840px, 100%);
    margin: 0 auto;
    padding: 2.2rem;
}

.receipt-logo {
    margin-bottom: 1rem;
    text-align: center;
}

.receipt-logo span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 6.5rem;
    min-height: 6.5rem;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(25, 179, 187, 0.15), rgba(255, 92, 28, 0.15));
    color: var(--teal);
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.receipt-title {
    margin-bottom: 1.6rem;
    text-align: center;
}

.receipt-title h1 {
    margin-bottom: 0.5rem;
    font-size: clamp(2rem, 4vw, 2.8rem);
}

.receipt-title p {
    margin-bottom: 0;
    color: var(--ink-soft);
}

.receipt-meta {
    display: grid;
    gap: 0.6rem 2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 1.5rem;
}

.receipt-meta div {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
}

.receipt-meta strong {
    color: var(--ink);
}

.receipt-totals {
    width: min(340px, 100%);
    margin-left: auto;
}

.receipt-totals .registration-summary-row strong {
    flex-basis: 7rem;
}

.receipt-note {
    margin-top: 1.8rem;
    color: var(--ink-soft);
    text-align: center;
    font-size: 0.9rem;
}

@media (max-width: 960px) {
    .registration-shell-grid,
    .registration-start-grid,
    .registration-summary-grid {
        grid-template-columns: 1fr;
    }

    .accommodation-package-grid {
        grid-template-columns: 1fr;
    }

    .registration-status-banner {
        grid-template-columns: 1fr;
    }

    .registration-status-meta {
        justify-items: start;
    }
}

@media (max-width: 720px) {
    .registration-form-grid.two-col,
    .registration-form-grid.three-col,
    .registration-meta-grid,
    .receipt-meta {
        grid-template-columns: 1fr;
    }

    .registration-card-head,
    .registration-card-body,
    .registration-card-foot,
    .registration-sidebar-card,
    .registration-start-card,
    .registration-summary-card,
    .receipt-sheet {
        padding: 1.15rem;
    }

    .registration-card-foot {
        flex-direction: column;
        align-items: stretch;
    }
}