/* answer: P6 chat UI. Tokens only (scripts/ci/check-css-tokens.sh). */

.answer {
    min-width: 0;
    max-width: var(--col-max);
    font: 400 var(--t-md) / var(--lh-md) var(--font-ui);
    color: var(--paper);
    overflow-wrap: anywhere;
}

.answer p,
.answer ul,
.answer ol,
.answer blockquote,
.answer table {
    margin: 0 0 var(--s-3);
}

.answer ul,
.answer ol {
    padding-left: var(--s-5);
}

.answer li + li {
    margin-top: var(--s-1);
}

.answer h1,
.answer h2,
.answer h3,
.answer h4 {
    margin: var(--s-4) 0 var(--s-2);
    font: 600 var(--t-lg) / var(--lh-lg) var(--font-ui);
    color: var(--paper-hi);
}

.answer a:not(.cite) {
    color: var(--accent-ink);
    text-decoration: underline;
    text-underline-offset: .15em;
}

.answer blockquote {
    padding-left: var(--s-3);
    color: var(--paper-lo);
    border-left: var(--bar) solid var(--rule-strong);
}

.answer code {
    padding: 0 .3em;
    font: 400 var(--t-sm) / var(--lh-sm) var(--font-mono);
    color: var(--paper-hi);
    background-color: var(--code-bg);
    border-radius: var(--r-1);
}

.answer table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    border-collapse: collapse;
    scrollbar-width: thin;
    scrollbar-color: var(--rule-strong) transparent;
    /* Same edge fades as code blocks: the table scrolls sideways when a shadow shows at an edge. */
    background:
        linear-gradient(to right, var(--ink-0) 30%, transparent) left center / 2rem 100% no-repeat local,
        linear-gradient(to left, var(--ink-0) 30%, transparent) right center / 2rem 100% no-repeat local,
        linear-gradient(to right, var(--rule-strong), transparent) left center / .75rem 100% no-repeat scroll,
        linear-gradient(to left, var(--rule-strong), transparent) right center / .75rem 100% no-repeat scroll;
}

.answer th,
.answer td {
    min-width: 12ch;
    overflow-wrap: normal;
    padding: var(--s-1) var(--s-2);
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--rule);
}

.answer th {
    white-space: nowrap;
    color: var(--paper-hi);
    font-weight: 600;
    border-bottom-color: var(--rule-strong);
}

/* Column alignment comes from classes, not inline styles (the CSP has no style-src unsafe-inline). */
.answer .align-left {
    text-align: left;
}

.answer .align-center {
    text-align: center;
}

.answer .align-right {
    text-align: right;
}

.answer .task-list-item {
    list-style: none;
}

.answer .task-list-item input {
    margin: 0 var(--s-2) 0 0;
    accent-color: var(--accent);
}

/* Citation chips. The bar is the status cue; the glyph and the border style repeat it (never colour alone). */
.cite {
    position: relative;
    display: inline-flex;
    align-items: baseline;
    gap: var(--s-1);
    margin: 0 .125rem;
    padding: 0 var(--s-2) 0 var(--s-1);
    font: 400 var(--t-xs) / var(--lh-xs) var(--font-mono);
    color: var(--paper-hi);
    text-decoration: none;
    white-space: nowrap;
    background-color: var(--ink-2);
    border: 1px solid var(--rule-strong);
    border-left: var(--bar-cite) solid var(--paper-faint);
    border-radius: var(--r-1);
}

.cite:hover {
    background-color: var(--ink-3);
}

.cite:focus-visible {
    outline: var(--focus-w) solid var(--accent);
    outline-offset: var(--focus-offset);
}

.cite__glyph {
    font-family: var(--font-ui);
    font-weight: 700;
    color: var(--paper-lo);
}

.cite[data-status="verified"] {
    border-left-color: var(--ok);
}

.cite[data-status="verified"] .cite__glyph {
    color: var(--ok);
}

.cite[data-status="unverified"] {
    border-left-style: dashed;
    border-left-color: var(--caution);
}

.cite[data-status="unverified"] .cite__glyph {
    color: var(--caution);
}

.cite[data-status="invalid"] {
    color: var(--paper-lo);
    text-decoration: line-through;
    text-decoration-color: var(--fault);
    border-left-color: var(--fault);
}

.cite[data-status="invalid"] .cite__glyph {
    color: var(--fault);
}

.cite[data-status="note"] {
    border-left-style: dotted;
    border-left-color: var(--info);
}

.cite[data-status="note"] .cite__glyph {
    color: var(--info);
}

.cite[data-status="pending"] {
    border-style: dashed;
    border-left-style: dashed;
    border-color: var(--rule-strong);
    color: var(--paper-lo);
}

@media (max-width: 899.98px), (pointer: coarse) {
    /* Padded hit area: 44 px tall without growing the chip. Lines that hold chips get a 1.75rem pitch so the areas of
       chips on neighbouring lines never reach each other's visible box. */
    .cite::after {
        content: "";
        position: absolute;
        inset: -.8125rem -.375rem;
        min-width: var(--tap);
    }

    .answer :is(p, li):has(.cite) {
        line-height: 1.75rem;
    }
}

/* Symbols that the server could not find in the indexed source. */
.sym-unknown {
    text-decoration: underline dotted var(--caution);
    text-decoration-thickness: 1px;
    text-underline-offset: .2em;
}

/* Fenced code. Token colours match the source viewer (src.css). The caption bar holds the language and Copy. */
.code-block {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    margin: var(--s-3) 0;
    background-color: var(--code-bg);
    border: 1px solid var(--rule);
    border-radius: var(--r-2);
}

.code-block figcaption {
    grid-area: 1 / 1 / 2 / -1;
    padding: var(--s-1) var(--s-8) var(--s-1) var(--s-3);
    font: 400 var(--t-xs) / var(--lh-xs) var(--font-mono);
    color: var(--paper-lo);
    border-bottom: 1px solid var(--rule);
}

.code-block pre {
    grid-column: 1 / -1;
    margin: 0;
    padding: var(--s-3) var(--s-4);
    overflow-x: auto;
    font: 400 var(--t-sm) / var(--lh-sm) var(--font-mono);
    color: var(--paper);
    tab-size: 4;
    scrollbar-width: thin;
    scrollbar-color: var(--rule-strong) transparent;
    /* Edge fades show that the code scrolls sideways: covers (local) hide the shadows (scroll) at either end. */
    background:
        linear-gradient(to right, var(--code-bg) 30%, transparent) left center / 2rem 100% no-repeat local,
        linear-gradient(to left, var(--code-bg) 30%, transparent) right center / 2rem 100% no-repeat local,
        linear-gradient(to right, var(--rule-strong), transparent) left center / .75rem 100% no-repeat scroll,
        linear-gradient(to left, var(--rule-strong), transparent) right center / .75rem 100% no-repeat scroll;
}

.code-block pre code {
    padding: 0;
    font: inherit;
    background: none;
    border-radius: 0;
}

.code-block__copy {
    position: relative;
    z-index: var(--z-raised);
    grid-area: 1 / 2;
    align-self: center;
    margin-right: var(--s-2);
    padding: 0 var(--s-2);
    font: 400 var(--t-xs) / var(--lh-xs) var(--font-ui);
    color: var(--paper-lo);
    background-color: var(--ink-2);
    border: 1px solid var(--rule-strong);
    border-radius: var(--r-1);
    cursor: pointer;
}

.code-block__copy:hover,
.code-block__copy:focus-visible {
    color: var(--paper-hi);
}

.code-block__copy:focus-visible {
    outline: var(--focus-w) solid var(--accent);
    outline-offset: var(--focus-offset);
}

@media (max-width: 899.98px), (pointer: coarse) {
    /* Visually compact; the invisible area reaches 44 px. */
    .code-block__copy::after {
        content: "";
        position: absolute;
        inset: -.8125rem -.5rem;
        min-width: var(--tap);
    }
}

.code-block .k { color: var(--code-keyword); }
.code-block .t { color: var(--code-type); }
.code-block .s { color: var(--code-string); }
.code-block .n { color: var(--code-number); }
.code-block .c { color: var(--code-comment); font-style: italic; }
.code-block .a { color: var(--code-attr); }