/* Random Letter Generator — scoped reference-desk workbench. */

.rlg-page {
    width: 100%;
    max-width: 1320px;
    margin-inline: auto;
}

.rlg-page :where(p, li, dd) {
    line-height: 1.65;
}

.rlg-page code {
    padding: 0.08em 0.28em;
    border: 1px solid var(--color-border);
    color: var(--color-primary);
    background: var(--bg-surface);
    font-family: var(--font-mono);
    font-size: 0.88em;
    overflow-wrap: anywhere;
}

.rlg-kicker {
    margin: 0 0 10px;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.rlg-masthead {
    display: grid;
    grid-template-columns: 1fr;
    align-items: start;
    gap: 20px;
    margin-bottom: clamp(24px, 3vw, 38px);
    padding-bottom: clamp(20px, 3vw, 30px);
    border-bottom: 3px solid var(--color-border-strong);
}

.rlg-masthead h1 {
    max-width: none;
    margin: 0;
    font-size: clamp(3.5rem, 6vw, 5.8rem);
    line-height: 0.88;
    letter-spacing: -0.072em;
}

.rlg-deck {
    max-width: 72ch;
    margin: 0;
    font-size: clamp(1rem, 1.5vw, 1.2rem);
}

.rlg-workbench {
    margin-bottom: clamp(38px, 7vw, 88px);
    border: 2px solid var(--color-border-strong);
    background: var(--bg-surface);
    box-shadow: 10px 10px 0 var(--color-border-strong);
}

.rlg-workbench__heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 24px;
    padding: clamp(18px, 2.4vw, 28px);
    border-bottom: 2px solid #0b1020;
    color: #ffffff;
    background: var(--color-accent);
}

.rlg-workbench__heading .rlg-kicker {
    color: #ffffff;
}

.rlg-workbench__heading h2 {
    max-width: none;
    margin: 0;
    color: #ffffff;
    font-size: clamp(1.75rem, 3vw, 2.8rem);
}

.rlg-local-note {
    flex: 0 0 auto;
    max-width: 22rem;
    margin: 0;
    padding: 8px 11px;
    border: 1.5px solid #0b1020;
    color: #0b1020;
    background: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.rlg-controls {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
}

.rlg-field {
    min-width: 0;
    margin: 0;
    padding: 18px;
    border: 0;
    border-right: 1.5px solid var(--color-border-strong);
    border-bottom: 1.5px solid var(--color-border-strong);
}

.rlg-field--count {
    grid-column: span 3;
}

.rlg-field--pool {
    grid-column: span 5;
}

.rlg-field--replacement {
    grid-column: span 4;
    border-right: 0;
}

.rlg-field--weighting {
    grid-column: span 5;
    border-bottom: 0;
}

.rlg-field--case {
    grid-column: span 3;
    border-bottom: 0;
}

.rlg-field--seed {
    grid-column: span 4;
    border-right: 0;
    border-bottom: 0;
}

.rlg-field > label:first-child,
.rlg-field legend {
    display: block;
    margin: 0 0 10px;
    padding: 0;
    color: var(--color-primary);
    font-size: 0.8rem;
    font-weight: 850;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.rlg-field > label:first-child span {
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 700;
}

.rlg-field input[type="number"],
.rlg-field input[type="text"],
.rlg-field select {
    width: 100%;
    min-height: 50px;
    padding: 10px 12px;
    border: 1.5px solid var(--color-border-strong);
    color: var(--color-primary);
    background: var(--input-bg);
    box-shadow: none;
}

.rlg-field input[type="number"] {
    font-family: var(--font-mono);
    font-size: 1.2rem;
    font-weight: 800;
}

.rlg-field input:focus-visible,
.rlg-field select:focus-visible,
.rlg-segmented input:focus-visible + span,
.rlg-choice input:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 2px;
}

.rlg-field input[aria-invalid="true"] {
    border-color: var(--color-error);
    box-shadow: inset 4px 0 0 var(--color-error);
}

.rlg-field input:disabled {
    color: var(--color-text-muted);
    background: var(--color-bg-alt);
    cursor: not-allowed;
}

.rlg-field > p,
.rlg-fieldset > p {
    margin: 8px 0 0;
    color: var(--color-text-muted);
    font-size: 0.73rem;
}

.rlg-sub-label {
    display: block;
    margin: 15px 0 7px;
    color: var(--color-text-secondary);
    font-size: 0.75rem;
    font-weight: 750;
}

.rlg-field--pool:has(#rlg-custom-pool:disabled) .rlg-sub-label,
.rlg-field--pool:has(#rlg-custom-pool:disabled) #rlg-custom-pool,
.rlg-field--pool:has(#rlg-custom-pool:disabled) #rlg-pool-help {
    display: none;
}

.rlg-segmented {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1.5px solid var(--color-border-strong);
    border-left: 1.5px solid var(--color-border-strong);
}

.rlg-segmented label {
    position: relative;
    cursor: pointer;
}

.rlg-segmented input {
    position: absolute;
    width: 1px;
    height: 1px;
    opacity: 0;
}

.rlg-segmented span {
    display: grid;
    min-height: 46px;
    place-items: center;
    border-right: 1.5px solid var(--color-border-strong);
    border-bottom: 1.5px solid var(--color-border-strong);
    color: var(--color-primary);
    background: var(--bg-surface);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 850;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.rlg-segmented input:checked + span {
    color: #0b1020;
    background: var(--signal);
}

.rlg-choice {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 10px;
    min-height: 52px;
    padding: 8px 0;
    border-top: 1px solid var(--color-border);
    color: var(--color-primary);
    cursor: pointer;
}

.rlg-choice:last-of-type {
    border-bottom: 1px solid var(--color-border);
}

.rlg-choice input {
    width: 19px;
    height: 19px;
    margin: 2px 0 0;
    accent-color: var(--color-accent);
}

.rlg-choice span,
.rlg-choice strong,
.rlg-choice small {
    display: block;
}

.rlg-choice strong {
    font-size: 0.82rem;
}

.rlg-choice small {
    margin-top: 2px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
    line-height: 1.35;
}

.rlg-validation {
    margin: 0;
    padding: 14px 22px;
    border-top: 2px solid var(--color-error);
    border-bottom: 2px solid var(--color-error);
    color: #ffffff;
    background: var(--color-error);
    font-weight: 750;
}

.rlg-generate-row {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 22px;
    border-top: 2px solid var(--color-border-strong);
    background: var(--bg-ink);
}

.rlg-generate-row .btn {
    min-width: 210px;
    min-height: 54px;
    color: #0b1020;
    background: var(--signal);
}

.rlg-generate-row .btn:hover {
    color: #ffffff;
    background: var(--color-accent);
}

.rlg-generate-row p {
    margin: 0;
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: 0.69rem;
}

.rlg-noscript {
    margin: 0;
    padding: 16px 22px;
    border-top: 2px solid var(--color-border-strong);
    color: var(--color-primary);
    background: var(--paper-pink);
}

.rlg-results {
    margin: 0 0 32px;
    border: 2px solid var(--color-border-strong);
    background: var(--signal);
    box-shadow: 8px 8px 0 var(--color-border-strong);
}

.rlg-results__heading,
.rlg-history__heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    padding: 20px 22px;
    border-bottom: 2px solid #0b1020;
}

.rlg-results__heading h2,
.rlg-history__heading h2 {
    margin: 0;
}

.rlg-output {
    display: flex;
    max-height: 420px;
    flex-wrap: wrap;
    gap: 7px;
    padding: clamp(22px, 4vw, 42px);
    overflow-y: auto;
    border-bottom: 2px solid #0b1020;
    color: #0b1020;
    background: var(--signal);
}

.rlg-output__letter {
    display: inline-grid;
    width: clamp(42px, 5vw, 62px);
    min-height: clamp(46px, 5vw, 66px);
    place-items: center;
    border: 2px solid #0b1020;
    background: #fffef9;
    font-family: var(--font-mono);
    font-size: clamp(1.25rem, 3vw, 2rem);
    font-weight: 900;
    line-height: 1;
}

.rlg-result-summary {
    margin: 0;
    padding: 14px 22px;
    border-bottom: 1.5px solid #0b1020;
    color: #0b1020;
    font-weight: 750;
}

.rlg-result-meta {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    margin: 0;
    color: #0b1020;
}

.rlg-result-meta div {
    min-width: 0;
    padding: 15px 18px;
    border-right: 1.5px solid #0b1020;
}

.rlg-result-meta div:last-child {
    border-right: 0;
}

.rlg-result-meta dt {
    margin-bottom: 4px;
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 850;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.rlg-result-meta dd {
    margin: 0;
    font-size: 0.77rem;
    overflow-wrap: anywhere;
}

.rlg-history {
    margin: 0 0 clamp(52px, 9vw, 110px);
    border: 2px solid var(--color-border-strong);
    background: var(--bg-surface);
}

.rlg-history ol {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: draws;
}

.rlg-history li {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(200px, 1fr) auto;
    align-items: center;
    gap: 18px;
    padding: 13px 18px;
    border-bottom: 1px solid var(--color-border);
    counter-increment: draws;
}

.rlg-history li::before {
    content: counter(draws, decimal-leading-zero);
    grid-row: 1;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 0.67rem;
}

.rlg-history li strong {
    min-width: 0;
    overflow: hidden;
    font-family: var(--font-mono);
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rlg-history li span {
    color: var(--color-text-muted);
    font-size: 0.72rem;
}

.rlg-history__copy {
    min-width: 64px;
    min-height: 42px;
    border: 1.5px solid var(--color-border-strong);
    color: var(--color-primary);
    background: var(--bg-surface);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    font-weight: 850;
    text-transform: uppercase;
    cursor: pointer;
}

.rlg-history__copy:hover {
    color: #0b1020;
    background: var(--signal);
}

.rlg-history > p {
    margin: 0;
    padding: 11px 18px;
    color: var(--color-text-muted);
    font-size: 0.7rem;
}

.rlg-answer,
.rlg-method,
.rlg-probability,
.rlg-profile,
.rlg-uses,
.rlg-limits,
.rlg-page .faqs-section,
.rlg-related {
    margin: 0;
    padding: clamp(36px, 6vw, 78px) 0;
    border-top: 3px solid var(--color-border-strong);
}

.rlg-answer {
    display: grid;
    grid-template-columns: minmax(210px, 0.55fr) minmax(0, 1.45fr);
    column-gap: clamp(30px, 7vw, 100px);
    background: var(--paper-blue);
    box-shadow: 0 0 0 100vmax var(--paper-blue);
    clip-path: inset(0 -100vmax);
}

.rlg-answer .rlg-kicker {
    grid-column: 1;
}

.rlg-answer h2 {
    grid-column: 1;
    max-width: 10ch;
    margin: 0;
}

.rlg-answer > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    margin: 0;
    font-family: var(--font-editorial);
    font-size: clamp(1.35rem, 2.6vw, 2.25rem);
    line-height: 1.34;
}

.rlg-section-heading {
    display: grid;
    grid-template-columns: minmax(180px, 0.5fr) minmax(0, 1.5fr);
    gap: 30px;
    margin-bottom: 38px;
}

.rlg-section-heading h2 {
    max-width: 17ch;
    margin: 0;
}

.rlg-method-list {
    margin: 0;
    padding: 0;
    border-top: 2px solid var(--color-border-strong);
    list-style: none;
}

.rlg-method-list > li {
    display: grid;
    grid-template-columns: 80px minmax(0, 1fr);
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1.5px solid var(--color-border-strong);
}

.rlg-step {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 900;
}

.rlg-method-list h3,
.rlg-method-list p {
    max-width: 75ch;
    margin: 0;
}

.rlg-method-list h3 {
    margin-bottom: 8px;
    font-size: 1.25rem;
}

.rlg-probability > div:first-child {
    display: grid;
    grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.2fr);
    gap: 48px;
    margin-bottom: 34px;
}

.rlg-probability h2,
.rlg-probability > div:first-child p {
    margin: 0;
}

.rlg-formulas {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 2px solid var(--color-border-strong);
    border-left: 2px solid var(--color-border-strong);
}

.rlg-formulas article {
    min-width: 0;
    padding: clamp(20px, 3vw, 34px);
    border-right: 2px solid var(--color-border-strong);
    border-bottom: 2px solid var(--color-border-strong);
    background: var(--bg-surface);
}

.rlg-formulas h3 {
    margin-bottom: 18px;
}

.rlg-example {
    margin: 18px 0 0;
    padding-top: 14px;
    border-top: 1px solid var(--color-border);
    font-size: 0.82rem;
}

.rlg-profile {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(340px, 1.15fr);
    gap: clamp(36px, 7vw, 92px);
}

.rlg-profile h2 {
    max-width: 12ch;
}

.rlg-profile__copy p {
    max-width: 62ch;
}

.rlg-profile__table-wrap {
    max-height: 560px;
    overflow: auto;
    border: 2px solid var(--color-border-strong);
    background: var(--bg-surface);
}

.rlg-profile__table-wrap:focus-visible {
    outline: 3px solid var(--signal);
    outline-offset: 3px;
}

.rlg-profile-table {
    width: 100%;
    border-collapse: collapse;
    font-variant-numeric: tabular-nums;
}

.rlg-profile-table caption {
    padding: 13px 15px;
    border-bottom: 2px solid var(--color-border-strong);
    font-family: var(--font-mono);
    font-size: 0.67rem;
    font-weight: 850;
    letter-spacing: 0.07em;
    text-align: left;
    text-transform: uppercase;
}

.rlg-profile-table th,
.rlg-profile-table td {
    padding: 8px 12px;
    border-right: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    text-align: right;
}

.rlg-profile-table th:first-child {
    text-align: left;
}

.rlg-profile-table thead th {
    position: sticky;
    top: 0;
    z-index: 1;
    color: #ffffff;
    background: var(--bg-ink);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.rlg-profile-table tbody th {
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-weight: 900;
}

.rlg-profile-table tfoot {
    font-weight: 850;
    background: var(--signal);
    color: #0b1020;
}

.rlg-use-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 34px;
    border-top: 2px solid var(--color-border-strong);
    border-left: 2px solid var(--color-border-strong);
}

.rlg-use-grid article {
    padding: 24px;
    border-right: 2px solid var(--color-border-strong);
    border-bottom: 2px solid var(--color-border-strong);
}

.rlg-use-grid h3 {
    min-height: 2.5em;
}

.rlg-limits ul,
.rlg-related ul {
    margin: 30px 0 0;
    padding: 0;
    border-top: 2px solid var(--color-border-strong);
    list-style: none;
}

.rlg-limits li,
.rlg-related li {
    padding: 14px 0 14px 32px;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.rlg-limits li::before,
.rlg-related li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-family: var(--font-mono);
    font-weight: 900;
}

.rlg-page .faq-list {
    margin: 30px 0 0;
    border-top: 2px solid var(--color-border-strong);
}

.rlg-page .faq-item {
    display: grid;
    grid-template-columns: minmax(240px, 0.75fr) minmax(0, 1.25fr);
    gap: 36px;
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}

.rlg-page .faq-question,
.rlg-page .faq-answer {
    margin: 0;
}

.rlg-page .faq-question {
    font-weight: 850;
}

.rlg-copy-fallback {
    position: fixed;
    top: 0;
    left: -10000px;
    width: 1px;
    height: 1px;
    opacity: 0;
}

@media (max-width: 1040px) {
    .rlg-field--count,
    .rlg-field--case {
        grid-column: span 4;
    }

    .rlg-field--pool {
        grid-column: span 8;
        border-right: 0;
    }

    .rlg-field--replacement {
        grid-column: span 6;
        border-right: 1.5px solid var(--color-border-strong);
        border-bottom: 1.5px solid var(--color-border-strong);
    }

    .rlg-field--weighting {
        grid-column: span 6;
        border-right: 0;
        border-bottom: 1.5px solid var(--color-border-strong);
    }

    .rlg-field--case {
        border-bottom: 1.5px solid var(--color-border-strong);
    }

    .rlg-field--seed {
        grid-column: span 8;
        border-right: 0;
        border-bottom: 0;
    }
}

@media (max-width: 820px) {
    .rlg-masthead,
    .rlg-answer,
    .rlg-section-heading,
    .rlg-probability > div:first-child,
    .rlg-profile {
        grid-template-columns: 1fr;
    }

    .rlg-masthead {
        align-items: start;
    }

    .rlg-masthead h1 {
        font-size: clamp(3.5rem, 15vw, 6.2rem);
    }

    .rlg-workbench__heading,
    .rlg-generate-row {
        align-items: stretch;
        flex-direction: column;
    }

    .rlg-local-note {
        flex: 1 1 auto;
    }

    .rlg-field {
        grid-column: span 6;
        border-right: 1.5px solid var(--color-border-strong);
        border-bottom: 1.5px solid var(--color-border-strong);
    }

    .rlg-field:nth-child(even) {
        border-right: 0;
    }

    .rlg-field--case,
    .rlg-field--seed {
        border-bottom: 0;
    }

    .rlg-result-meta,
    .rlg-formulas,
    .rlg-use-grid {
        grid-template-columns: 1fr;
    }

    .rlg-result-meta div {
        border-right: 0;
        border-bottom: 1px solid #0b1020;
    }

    .rlg-result-meta div:last-child {
        border-bottom: 0;
    }

    .rlg-history li {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .rlg-history li::before {
        display: none;
    }

    .rlg-history li span {
        grid-column: 1;
    }

    .rlg-history__copy {
        grid-column: 2;
        grid-row: 1 / span 2;
    }

    .rlg-answer .rlg-kicker,
    .rlg-answer h2,
    .rlg-answer > p:last-child {
        grid-column: 1;
        grid-row: auto;
    }

    .rlg-answer > p:last-child {
        margin-top: 26px;
    }

    .rlg-profile__table-wrap {
        max-height: 470px;
    }

    .rlg-page .faq-item {
        grid-template-columns: 1fr;
        gap: 8px;
    }
}

@media (max-width: 560px) {
    .rlg-workbench,
    .rlg-results {
        box-shadow: 5px 5px 0 var(--color-border-strong);
    }

    .rlg-workbench__heading,
    .rlg-field,
    .rlg-results__heading,
    .rlg-history__heading {
        padding-inline: 16px;
    }

    .rlg-field {
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1.5px solid var(--color-border-strong);
    }

    .rlg-field--seed {
        border-bottom: 0;
    }

    .rlg-results__heading,
    .rlg-history__heading {
        align-items: stretch;
        flex-direction: column;
    }

    .rlg-results__heading .btn,
    .rlg-history__heading .btn,
    .rlg-generate-row .btn {
        width: 100%;
    }

    .rlg-output {
        gap: 5px;
        padding: 18px 14px;
    }

    .rlg-output__letter {
        width: 39px;
        min-height: 44px;
        font-size: 1.2rem;
    }

    .rlg-method-list > li {
        grid-template-columns: 48px minmax(0, 1fr);
        gap: 12px;
    }

    .rlg-profile {
        gap: 24px;
    }
}

@media print {
    .rlg-workbench,
    .rlg-results,
    .rlg-history,
    .rlg-related {
        display: none !important;
    }

    .rlg-profile__table-wrap {
        max-height: none;
        overflow: visible;
    }
}