.simulator-shell {
    background: var(--bg);
}

.simulator-layout,
.result-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 340px);
    gap: 24px;
    align-items: start;
}

.simulator-form,
.simulator-note,
.result-aside,
.combination-list,
.auth-form,
.auth-note {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.simulator-form,
.auth-form {
    display: grid;
    gap: 22px;
    padding: 24px;
}

.auth-shell {
    background: var(--bg);
}

.auth-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.75fr);
    gap: 24px;
    align-items: start;
}

.auth-note {
    padding: 22px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.field {
    display: grid;
    gap: 7px;
    color: var(--ink);
    font-weight: 800;
}

.field-wide {
    grid-column: 1 / -1;
}

.field input,
.field textarea {
    width: 100%;
    min-height: 46px;
    border: 1px solid #c8d3df;
    border-radius: var(--radius);
    padding: 10px 12px;
    background: #ffffff;
    color: var(--ink);
    outline: none;
}

.field textarea {
    resize: vertical;
}

.field input:focus,
.field textarea:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(23, 126, 137, 0.16);
}

.field small {
    color: var(--muted);
    font-weight: 600;
}

.field .field-error {
    color: var(--danger);
}

.selected-numbers-input {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    padding: 0;
    border: 0;
    opacity: 0;
    pointer-events: none;
}

.number-picker-field {
    position: relative;
}

.number-picker {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(44px, 1fr));
    gap: 10px;
    max-height: 360px;
    overflow-y: auto;
    padding: 14px;
    border: 1px solid #c8d3df;
    border-radius: var(--radius);
    background: #fbfdff;
}

.number-picker-option {
    display: inline-grid;
    place-items: center;
    aspect-ratio: 1;
    min-width: 0;
    border: 1px solid #bfd0dd;
    border-radius: 999px;
    background: #ffffff;
    color: var(--ink);
    cursor: pointer;
    font-weight: 850;
    font-variant-numeric: tabular-nums;
    line-height: 1;
}

.number-picker-option:hover,
.number-picker-option:focus-visible {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(23, 126, 137, 0.14);
    outline: none;
}

.number-picker-option.is-selected {
    border-color: var(--teal);
    background: var(--teal);
    color: #ffffff;
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.simulator-note,
.result-aside {
    padding: 22px;
}

.result-main {
    display: grid;
    gap: 20px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
}

.stat-card {
    min-height: 112px;
    padding: 18px;
}

.stat-card span {
    display: block;
    margin-bottom: 8px;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 800;
}

.stat-card strong {
    display: block;
    overflow-wrap: anywhere;
    color: var(--ink);
    font-size: 1.35rem;
    line-height: 1.2;
}

.combination-list {
    padding: 24px;
    min-width: 0;
}

.combination-list-embedded {
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.combination-list-header {
    display: flex;
    align-items: start;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 16px;
}

.combination-list-header h2,
.combination-list-header p {
    margin-bottom: 0;
}

.combination-list-embedded .combination-list-header h2 {
    font-size: 1.05rem;
}

.combination-list-header p {
    margin-top: 6px;
    color: var(--muted);
}

.combination-list-header span {
    flex: 0 0 auto;
    padding: 6px 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fbfdff;
    color: var(--muted);
    font-size: 0.86rem;
    font-weight: 800;
}

.combination-list ol {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 18px;
    margin: 0;
    padding: 0;
    list-style: none;
    min-width: 0;
}

.combination-list li {
    display: grid;
    grid-template-columns: max-content minmax(0, 1fr);
    align-items: center;
    min-height: 42px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fbfdff;
    font-variant-numeric: tabular-nums;
    overflow-wrap: anywhere;
    overflow: hidden;
}

.combination-index {
    align-self: stretch;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    min-width: 48px;
    padding: 9px 12px;
    border-right: 1px solid var(--line);
    background: #f3f8f9;
    color: var(--muted);
    font-weight: 800;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.combination-values {
    min-width: 0;
    padding: 9px 12px;
    color: var(--ink);
    line-height: 1.35;
    white-space: normal;
}

.combination-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 22px;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.combination-pagination[hidden],
.combination-list li[hidden] {
    display: none;
}

.combination-pagination span {
    color: var(--muted);
    font-weight: 800;
}

.combination-pagination button:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}

.donation-callout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 18px;
    align-items: center;
    margin-top: 28px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #f7fbfb;
}

.donation-copy h2 {
    font-size: clamp(1.28rem, 2vw, 1.75rem);
    line-height: 1.18;
    margin-bottom: 8px;
}

.donation-copy p:last-child {
    margin-bottom: 0;
}

.donation-link {
    margin-top: 14px;
}

.donation-qr {
    display: grid;
    justify-items: center;
    gap: 8px;
    text-align: center;
}

.donation-qr img {
    width: 160px;
    height: 160px;
    border: 10px solid #ffffff;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.donation-qr span {
    max-width: 190px;
    color: var(--muted);
    font-size: 0.84rem;
    font-weight: 800;
    line-height: 1.35;
}

.result-aside dl {
    display: grid;
    gap: 12px;
    margin: 0 0 18px;
}

.result-aside dl div {
    display: grid;
    gap: 3px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
}

.result-aside dt {
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 800;
}

.result-aside dd {
    margin: 0;
    overflow-wrap: anywhere;
    color: var(--ink);
}

.result-aside .button {
    margin-top: 18px;
}

.history-layout {
    display: grid;
    gap: 18px;
}

.history-empty,
.history-item {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.history-empty {
    display: grid;
    justify-items: start;
    gap: 10px;
    padding: 24px;
}

.history-list {
    display: grid;
    gap: 16px;
}

.history-item {
    display: grid;
    gap: 16px;
    padding: 20px;
}

.history-item-main {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 1.3fr);
    gap: 16px;
    align-items: start;
}

.history-date {
    display: block;
    margin-bottom: 6px;
    color: var(--muted);
    font-size: 0.88rem;
    font-weight: 800;
}

.history-item h2 {
    margin-bottom: 0;
}

.history-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.history-actions .button {
    min-height: 36px;
    padding: 8px 12px;
}

.history-metrics,
.history-params {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.history-metrics {
    margin: 0;
}

.history-metrics div,
.history-params span {
    min-height: 64px;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fbfdff;
}

.history-metrics dt {
    color: var(--muted);
    font-size: 0.8rem;
    font-weight: 800;
}

.history-metrics dd {
    margin: 4px 0 0;
    overflow-wrap: anywhere;
    color: var(--ink);
    font-weight: 850;
}

.history-params span {
    display: flex;
    align-items: center;
    color: var(--muted);
    font-weight: 800;
}

.history-selected {
    display: grid;
    gap: 4px;
}

.history-selected p {
    margin: 0;
    overflow-wrap: anywhere;
}

@media (max-width: 920px) {
    .simulator-layout,
    .result-layout,
    .history-item-main,
    .auth-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 620px) {
    .form-grid,
    .stats-grid,
    .combination-list-header,
    .donation-callout,
    .history-metrics,
    .history-params {
        grid-template-columns: 1fr;
    }

    .combination-list ol {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .combination-index {
        min-width: 44px;
        padding-inline: 10px;
    }

    .number-picker {
        grid-template-columns: repeat(auto-fill, minmax(38px, 1fr));
        gap: 8px;
        max-height: 320px;
        padding: 12px;
    }

    .combination-list-header {
        display: grid;
    }

    .donation-callout {
        justify-items: start;
    }

    .donation-qr {
        justify-items: start;
        text-align: left;
    }

    .simulator-form,
    .simulator-note,
    .result-aside,
    .combination-list,
    .auth-form,
    .auth-note,
    .history-empty,
    .history-item {
        padding: 18px;
    }
}