/* r32 owner: home-recurrence-preview. Exact r30 source lines 4810-5010; route scope is declared by data/css-ownership.json. */
/* Home recurrence preview ------------------------------------------------- */

.section--recurrence-preview {
    overflow: hidden;
    background:
        linear-gradient(120deg, rgba(var(--signal-rgb), 0.055), transparent 44%),
        var(--bg-soft);
}

.recurrence-preview {
    display: grid;
    grid-template-columns: minmax(0, 0.84fr) minmax(31rem, 1.16fr);
    gap: clamp(3rem, 8vw, 8rem);
    align-items: center;
}

.recurrence-preview__copy h2 {
    max-width: 10ch;
}

.recurrence-preview__copy > p:not(.eyebrow) {
    max-width: 42rem;
    color: var(--muted);
    font-size: 1.08rem;
}

.recurrence-preview__boundary {
    margin: 1.5rem 0 1.8rem;
    padding: 1rem 1.1rem;
    border-left: 0.18rem solid var(--signal);
    background: rgba(var(--signal-rgb), 0.05);
    font-size: 0.9rem !important;
}

.recurrence-preview__boundary strong {
    color: var(--text);
}

.recurrence-preview__diagram {
    position: relative;
    display: grid;
    min-height: 36rem;
    margin: 0 0 4.75rem;
    padding: 4.6rem;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: radial-gradient(circle, rgba(var(--signal-rgb), 0.06), transparent 47%);
}

.recurrence-preview__diagram::before,
.recurrence-preview__diagram::after {
    position: absolute;
    inset: 12%;
    border: 1px dashed var(--line);
    border-radius: 50%;
    content: "";
    pointer-events: none;
}

.recurrence-preview__diagram::after {
    inset: 28%;
    border-style: solid;
    border-color: rgba(var(--signal-rgb), 0.24);
}

.recurrence-preview__diagram ol {
    position: relative;
    z-index: 2;
    display: grid;
    height: 100%;
    min-height: 27rem;
    margin: 0;
    padding: 0;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: repeat(2, minmax(0, 1fr));
    list-style: none;
}

.recurrence-preview__diagram li {
    position: relative;
    max-width: 12.5rem;
    padding: 0.9rem;
    border: 1px solid var(--line);
    border-radius: 0.9rem;
    background: rgba(7, 7, 9, 0.88);
    backdrop-filter: blur(0.8rem);
}

html[data-theme="dawn"] .recurrence-preview__diagram li {
    background: rgba(246, 241, 232, 0.92);
}

/* Physical placement follows the stated clockwise order: TL → TR → BR → BL. */
.recurrence-preview__diagram li:nth-child(1) {
    grid-column: 1;
    grid-row: 1;
}
.recurrence-preview__diagram li:nth-child(2) {
    grid-column: 2;
    grid-row: 1;
    justify-self: end;
}
.recurrence-preview__diagram li:nth-child(3) {
    grid-column: 2;
    grid-row: 2;
    align-self: end;
    justify-self: end;
}
.recurrence-preview__diagram li:nth-child(4) {
    grid-column: 1;
    grid-row: 2;
    align-self: end;
}

.recurrence-preview__diagram li::after {
    position: absolute;
    z-index: 4;
    display: grid;
    width: 2rem;
    height: 2rem;
    place-items: center;
    border: 1px solid rgba(var(--signal-rgb), 0.34);
    border-radius: 50%;
    background: var(--surface);
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    content: "→";
}

.recurrence-preview__diagram li:nth-child(1)::after { top: 50%; right: -2.8rem; transform: translateY(-50%); }
.recurrence-preview__diagram li:nth-child(2)::after { right: 50%; bottom: -2.8rem; content: "↓"; transform: translateX(50%); }
.recurrence-preview__diagram li:nth-child(3)::after { top: 50%; left: -2.8rem; content: "←"; transform: translateY(-50%); }
.recurrence-preview__diagram li:nth-child(4)::after { top: -2.8rem; left: 50%; content: "↑?"; transform: translateX(-50%); }

.recurrence-preview__diagram li span {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.54rem;
}

.recurrence-preview__diagram li strong {
    display: block;
    margin: 0.15rem 0 0.25rem;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.recurrence-preview__diagram li p {
    margin: 0;
    color: var(--muted);
    font-size: 0.65rem;
    line-height: 1.5;
}

.recurrence-preview__core {
    position: absolute;
    inset: 50% auto auto 50%;
    z-index: 3;
    display: grid;
    width: 11.5rem;
    min-height: 7.8rem;
    padding: 1rem;
    place-items: center;
    border: 1px solid rgba(var(--signal-rgb), 0.36);
    border-radius: 1rem;
    background: var(--surface);
    text-align: center;
    transform: translate(-50%, -50%);
}

.recurrence-preview__core strong {
    color: var(--signal);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    line-height: 1.4;
    white-space: nowrap;
}

.recurrence-preview__core span,
.recurrence-preview__core em {
    color: var(--faint);
    font-family: var(--font-mono);
    font-size: 0.48rem;
    font-style: normal;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.recurrence-preview__diagram figcaption {
    position: absolute;
    right: 3.5rem;
    bottom: -3.7rem;
    left: 3.5rem;
    color: var(--muted);
    font-size: 0.76rem;
    line-height: 1.55;
    text-align: center;
}