/* ИИ-визуализация интерьера — блок на главной */
.rai {
    --rai-ink: #1a1a1a;
    --rai-muted: #7a7a76;
    --rai-line: #e6e5e1;
    --rai-soft: #f5f4f1;
    --rai-card: #fff;
    --rai-accent: var(--theme-color, #1a1a1a);
    --rai-ai: linear-gradient(120deg, #6d5bff 0%, #c757ff 45%, #ff8a3d 100%);
    --rai-r: 22px;
    margin: 40px 0;
    color: var(--rai-ink);
}
.rai *, .rai *::before, .rai *::after { box-sizing: border-box; }
.rai [hidden] { display: none !important; }

.rai__box {
    position: relative;
    background: var(--rai-soft);
    border-radius: 28px;
    padding: 40px;
    overflow: hidden;
}
.rai__box::before {
    content: "";
    position: absolute;
    right: -120px;
    top: -160px;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(closest-side, rgba(199, 87, 255, .16), rgba(109, 91, 255, .06) 60%, transparent);
    pointer-events: none;
}

.rai__head { position: relative; max-width: 720px; margin-bottom: 28px; }
.rai__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    background: #fff;
    font-size: 12.5px;
    font-weight: 600;
    letter-spacing: .02em;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .05);
}
.rai__spark {
    background: var(--rai-ai);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-style: normal;
}
.rai__title { margin: 14px 0 8px; font-size: 34px; line-height: 1.15; font-weight: 700; }
.rai__subtitle { margin: 0; font-size: 16px; line-height: 1.5; color: var(--rai-muted); }

.rai__grid { position: relative; display: grid; grid-template-columns: minmax(0, 440px) minmax(0, 1fr); gap: 28px; align-items: start; }

/* ---------- форма ---------- */
.rai__form {
    background: var(--rai-card);
    border-radius: var(--rai-r);
    padding: 24px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .04), 0 10px 30px rgba(0, 0, 0, .04);
}
.rai__hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.rai__field { border: 0; margin: 0 0 18px; padding: 0; min-width: 0; }
.rai__label { display: block; padding: 0; margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--rai-ink); }
.rai__opt { font-weight: 400; color: var(--rai-muted); }

.rai__rooms { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.rai__room input, .rai__chip input { position: absolute; opacity: 0; pointer-events: none; }
.rai__room-in {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 12px 6px 10px;
    border: 1.5px solid var(--rai-line);
    border-radius: 14px;
    font-size: 13px;
    cursor: pointer;
    text-align: center;
    transition: border-color .15s, background .15s, transform .15s;
}
.rai__room-in svg { width: 26px; height: 26px; color: var(--rai-muted); transition: color .15s; }
.rai__room-in:hover { border-color: #cfcdc7; }
.rai__room input:checked + .rai__room-in { border-color: var(--rai-accent); background: #faf9f7; box-shadow: inset 0 0 0 1px var(--rai-accent); }
.rai__room input:checked + .rai__room-in svg { color: var(--rai-accent); }
.rai__room input:focus-visible + .rai__room-in, .rai__chip input:focus-visible + span { outline: 2px solid var(--rai-accent); outline-offset: 2px; }

.rai__size { display: flex; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.rai__num { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--rai-muted); width: 110px; }
.rai__num input, .rai__input {
    width: 100%;
    height: 44px;
    padding: 0 14px;
    border: 1.5px solid var(--rai-line);
    border-radius: 12px;
    font: inherit;
    font-size: 16px;
    color: var(--rai-ink);
    background: #fff;
    outline: none;
    transition: border-color .15s;
    -moz-appearance: textfield;
}
.rai__num input::-webkit-outer-spin-button, .rai__num input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.rai__num input:focus, .rai__input:focus { border-color: var(--rai-accent); }
.rai__x { padding-bottom: 11px; color: var(--rai-muted); }
.rai__area { padding-bottom: 12px; font-size: 13px; color: var(--rai-muted); }

.rai__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.rai__chip span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 13px;
    border: 1.5px solid var(--rai-line);
    border-radius: 20px;
    font-size: 13.5px;
    cursor: pointer;
    transition: border-color .15s, background .15s, color .15s;
}
.rai__chip span:hover { border-color: #cfcdc7; }
.rai__chip input:checked + span { background: var(--rai-accent); border-color: var(--rai-accent); color: #fff; }
.rai__sw { display: inline-flex; }
.rai__sw b { width: 12px; height: 12px; border-radius: 50%; border: 1.5px solid #fff; margin-left: -4px; box-shadow: 0 0 0 1px rgba(0, 0, 0, .08); }
.rai__sw b:first-child { margin-left: 0; }
.rai__row2 { display: grid; grid-template-columns: 1fr; gap: 0; }

.rai__upload { display: block; cursor: pointer; }
.rai__upload input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.rai__upload-empty {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border: 1.5px dashed #d3d1cb;
    border-radius: 14px;
    font-size: 13px;
    color: var(--rai-muted);
    transition: border-color .15s, background .15s;
}
.rai__upload-empty svg { flex: none; width: 26px; height: 26px; color: var(--rai-ink); }
.rai__upload:hover .rai__upload-empty { border-color: var(--rai-accent); background: #fcfbf9; }
.rai__upload-full { display: flex; align-items: center; gap: 12px; padding: 8px; border: 1.5px solid var(--rai-line); border-radius: 14px; font-size: 13px; }
.rai__upload-full img { width: 56px; height: 42px; object-fit: cover; border-radius: 8px; }
.rai__upload-full span { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rai__upload-full button { border: 0; background: var(--rai-soft); width: 30px; height: 30px; border-radius: 50%; font-size: 18px; cursor: pointer; color: var(--rai-muted); }

.rai__hint { margin-top: 6px; font-size: 12px; color: var(--rai-muted); }
.rai__consent { display: flex; gap: 10px; align-items: flex-start; font-size: 12.5px; color: var(--rai-muted); margin: 4px 0 16px; cursor: pointer; line-height: 1.4; }
.rai__consent input { margin: 2px 0 0; width: 16px; height: 16px; accent-color: var(--rai-accent); flex: none; }
.rai__consent a { color: inherit; }
.rai__error { margin: 0 0 12px; padding: 10px 12px; border-radius: 10px; background: #fdecea; color: #a1220a; font-size: 13.5px; }

.rai__submit {
    position: relative;
    width: 100%;
    height: 54px;
    border: 0;
    border-radius: 16px;
    background: var(--rai-ink);
    color: #fff;
    font: inherit;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    overflow: hidden;
    transition: transform .15s, box-shadow .2s;
}
.rai__submit::before {
    content: "";
    position: absolute;
    inset: 0;
    background: var(--rai-ai);
    opacity: 0;
    transition: opacity .25s;
}
.rai__submit > * { position: relative; }
.rai__submit .rai__spark { color: #fff; background: none; }
.rai__submit:hover::before { opacity: 1; }
.rai__submit:hover { box-shadow: 0 10px 24px rgba(160, 80, 255, .25); }
.rai__submit:active { transform: scale(.99); }
.rai__submit:disabled { cursor: wait; opacity: .7; }
.rai__submit:disabled::before { opacity: 0; }
.rai__note { margin-top: 10px; text-align: center; font-size: 12px; color: var(--rai-muted); }

/* ---------- результат ---------- */
.rai__stage { min-width: 0; position: sticky; top: 90px; }
.rai__canvas {
    position: relative;
    aspect-ratio: 3 / 2;
    border-radius: var(--rai-r);
    overflow: hidden;
    background: #ebe9e4;
}
.rai__placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    text-align: center;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0) 55%, rgba(0, 0, 0, .04) 55.2%),
        linear-gradient(90deg, #efede8, #e7e4de);
}
.rai__ph-art { position: relative; width: 180px; height: 90px; margin-bottom: 18px; }
.rai__ph-art span { position: absolute; bottom: 0; background: #fff; border-radius: 10px; box-shadow: 0 6px 18px rgba(0, 0, 0, .06); animation: rai-float 4s ease-in-out infinite; }
.rai__ph-art span:nth-child(1) { left: 0; width: 70px; height: 40px; }
.rai__ph-art span:nth-child(2) { left: 80px; width: 46px; height: 80px; animation-delay: .6s; }
.rai__ph-art span:nth-child(3) { left: 136px; width: 44px; height: 56px; border-radius: 22px 22px 10px 10px; animation-delay: 1.2s; }
@keyframes rai-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
.rai__ph-title { font-size: 18px; font-weight: 700; margin-bottom: 6px; }
.rai__ph-text { font-size: 14px; color: var(--rai-muted); max-width: 380px; line-height: 1.5; }

.rai__progress { position: absolute; inset: 0; display: flex; align-items: flex-end; background: #e9e6e0; overflow: hidden; }
.rai__shimmer {
    position: absolute;
    inset: -20%;
    background: conic-gradient(from 0deg at 50% 50%, rgba(109, 91, 255, .22), rgba(199, 87, 255, .18), rgba(255, 138, 61, .2), rgba(109, 91, 255, .22));
    filter: blur(60px);
    animation: rai-spin 8s linear infinite;
}
@keyframes rai-spin { to { transform: rotate(360deg); } }
.rai__progress-in { position: relative; width: 100%; padding: 28px; background: linear-gradient(180deg, transparent, rgba(255, 255, 255, .75) 40%); }
.rai__progress-step { font-size: 18px; font-weight: 700; margin-bottom: 12px; min-height: 1.3em; }
.rai__bar { height: 6px; border-radius: 3px; background: rgba(0, 0, 0, .08); overflow: hidden; }
.rai__bar i { display: block; height: 100%; width: 0; border-radius: 3px; background: var(--rai-ai); transition: width .8s ease; }
.rai__progress-sub { margin-top: 10px; font-size: 12.5px; color: var(--rai-muted); }

.rai__result { position: absolute; inset: 0; margin: 0; animation: rai-reveal .8s ease; }
.rai__result img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.rai__result figcaption { position: absolute; left: 12px; bottom: 12px; padding: 5px 10px; border-radius: 8px; background: rgba(0, 0, 0, .5); color: #fff; font-size: 11.5px; }
@keyframes rai-reveal { from { opacity: 0; filter: blur(12px); transform: scale(1.02); } to { opacity: 1; filter: none; transform: none; } }

.rai__actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.rai__btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 42px;
    padding: 0 16px;
    border: 0;
    border-radius: 12px;
    background: var(--rai-ink);
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}
.rai__btn .rai__spark { color: #fff; background: none; }
.rai__btn--ghost { background: #fff; color: var(--rai-ink); box-shadow: inset 0 0 0 1.5px var(--rai-line); }
.rai__btn--ghost:hover { box-shadow: inset 0 0 0 1.5px var(--rai-ink); }
.rai__btn:disabled { opacity: .5; cursor: default; }

.rai__products { margin-top: 20px; }
.rai__products-title { font-size: 15px; font-weight: 700; margin-bottom: 10px; }
.rai__products-title span { font-weight: 400; color: var(--rai-muted); }
.rai__total {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-top: 12px;
    padding: 16px 18px;
    border-radius: 16px;
    background: var(--rai-ink);
    color: #fff;
}
.rai__total-label { font-size: 15px; font-weight: 600; }
.rai__total-label small { display: block; margin-top: 2px; font-size: 12px; font-weight: 400; opacity: .7; }
.rai__total-sum { font-size: 24px; font-weight: 700; white-space: nowrap; }
@media (max-width: 639px) { .rai__total { flex-direction: column; align-items: flex-start; gap: 6px; } .rai__total-sum { font-size: 22px; } }
.rai__products-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.rai__prod {
    display: flex;
    flex-direction: column;
    background: #fff;
    border-radius: 14px;
    padding: 10px;
    text-decoration: none;
    color: inherit;
    transition: box-shadow .15s, transform .15s;
    animation: rai-up .4s ease both;
}
.rai__prod:hover { box-shadow: 0 8px 22px rgba(0, 0, 0, .08); transform: translateY(-2px); }
@keyframes rai-up { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.rai__prod-img { display: block; width: 100%; aspect-ratio: 1; object-fit: contain; border-radius: 10px; background: #fff; margin-bottom: 8px; }
.rai__prod-slot { font-size: 11px; color: var(--rai-muted); text-transform: uppercase; letter-spacing: .04em; }
.rai__prod-name { font-size: 13px; line-height: 1.3; margin: 3px 0 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.rai__prod-price { margin-top: auto; font-size: 14px; font-weight: 700; }

.rai__lightbox { position: fixed; inset: 0; z-index: 10050; background: rgba(0, 0, 0, .88); display: flex; align-items: center; justify-content: center; padding: 20px; cursor: zoom-out; }
.rai__lightbox img { max-width: 100%; max-height: 100%; border-radius: 10px; }

/* ---------- адаптив ---------- */
@media (max-width: 1100px) {
    .rai__grid { grid-template-columns: 1fr; }
    .rai__stage { position: static; order: -1; }
    .rai__stage.is-idle { order: 0; }
}
@media (max-width: 639px) {
    .rai { margin: 24px 0; }
    .rai__box { padding: 22px 16px; border-radius: 20px; margin: 0 -4px; }
    .rai__title { font-size: 26px; }
    .rai__subtitle { font-size: 14.5px; }
    .rai__form { padding: 16px; }
    .rai__rooms { gap: 6px; }
    .rai__room-in { padding: 10px 4px 8px; font-size: 12.5px; }
    .rai__num { width: calc(50% - 20px); }
    .rai__area { width: 100%; padding: 0; }
    .rai__products-list { grid-template-columns: repeat(2, 1fr); }
    .rai__progress-in { padding: 18px; }
    .rai__progress-step { font-size: 16px; }
    .rai__actions .rai__btn { flex: 1 1 auto; justify-content: center; }
}
@media (prefers-reduced-motion: reduce) {
    .rai *, .rai *::before { animation: none !important; transition: none !important; }
}