:root {
    --farsia-ink: #171512;
    --farsia-muted: #746f67;
    --farsia-gold: #b8934f;
    --farsia-gold-soft: #d7bd86;
    --farsia-cream: #faf7f0;
    --farsia-line: rgba(87, 70, 40, .16);
}

.farsia-price-card {
    position: relative;
    box-sizing: border-box;
    margin: 18px 0 24px;
    overflow: hidden;
    border: 1px solid var(--farsia-line);
    border-radius: 22px;
    background:
        radial-gradient(circle at 0 0, rgba(215, 189, 134, .22), transparent 34%),
        linear-gradient(145deg, #fff 0%, var(--farsia-cream) 100%);
    box-shadow: 0 18px 55px rgba(40, 32, 20, .08);
    color: var(--farsia-ink);
    font-family: inherit;
}

.farsia-price-card *, .farsia-price-card *::before, .farsia-price-card *::after { box-sizing: border-box; }

.farsia-price-card__header {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr) auto;
    gap: 11px;
    align-items: center;
    padding: 18px 20px;
    border-bottom: 1px solid var(--farsia-line);
}

.farsia-price-card__mark {
    display: grid;
    width: 40px;
    height: 40px;
    place-items: center;
    border-radius: 50%;
    background: var(--farsia-ink);
    color: var(--farsia-gold-soft);
    font-family: Georgia, serif;
    font-size: 23px;
}

.farsia-price-card__header strong,
.farsia-price-card__header small { display: block; }
.farsia-price-card__header strong { font-size: 15px; font-weight: 800; }
.farsia-price-card__header small { margin-top: 3px; color: var(--farsia-muted); font-size: 11px; }

.farsia-price-card__live {
    display: inline-flex;
    gap: 6px;
    align-items: center;
    color: #427154;
    font-size: 11px;
    font-weight: 700;
}

.farsia-price-card__live i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: #4f9367;
    box-shadow: 0 0 0 4px rgba(79, 147, 103, .12);
}

.farsia-price-card__hero { padding: 22px 20px 17px; }
.farsia-price-card__hero span { display: block; color: var(--farsia-muted); font-size: 12px; }
.farsia-price-card__hero strong {
    display: block;
    margin-top: 6px;
    color: var(--farsia-ink);
    font-size: clamp(25px, 5vw, 34px);
    font-weight: 900;
    letter-spacing: -.6px;
}

.farsia-price-card__facts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    margin: 0 20px 16px;
    overflow: hidden;
    border: 1px solid var(--farsia-line);
    border-radius: 14px;
    background: var(--farsia-line);
}

.farsia-price-card__facts div { padding: 12px 14px; background: rgba(255, 255, 255, .72); }
.farsia-price-card dt { color: var(--farsia-muted); font-size: 11px; }
.farsia-price-card dd { margin: 4px 0 0; font-size: 13px; font-weight: 800; }

.farsia-price-card__details { border-top: 1px solid var(--farsia-line); }
.farsia-price-card__details summary {
    display: flex;
    justify-content: space-between;
    padding: 15px 20px;
    cursor: pointer;
    list-style: none;
    color: var(--farsia-ink);
    font-size: 12px;
    font-weight: 800;
}
.farsia-price-card__details summary::-webkit-details-marker { display: none; }
.farsia-price-card__details[open] summary span { transform: rotate(45deg); }
.farsia-price-card__details dl { margin: 0; padding: 0 20px 14px; }
.farsia-price-card__details dl div {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding: 9px 0;
    border-bottom: 1px dashed var(--farsia-line);
}
.farsia-price-card__details dl .is-total { margin-top: 4px; border-bottom: 0; }
.farsia-price-card__details dl .is-total dt,
.farsia-price-card__details dl .is-total dd { color: var(--farsia-ink); font-weight: 900; }

.farsia-price-card footer {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(23, 21, 18, .035);
    color: var(--farsia-muted);
    font-size: 9px;
    line-height: 1.7;
}

@media (max-width: 480px) {
    .farsia-price-card { border-radius: 18px; }
    .farsia-price-card__header { padding: 15px 16px; }
    .farsia-price-card__hero { padding: 19px 16px 15px; }
    .farsia-price-card__facts { margin-inline: 16px; }
    .farsia-price-card footer { display: block; padding-inline: 16px; }
    .farsia-price-card footer time { display: block; margin-top: 2px; }
}

@media (prefers-reduced-motion: no-preference) {
    .farsia-price-card__details summary span { transition: transform .2s ease; }
}

.farsia-calculator {
    width: min(100%, 760px);
    margin: 40px auto;
    color: var(--farsia-ink);
    font-family: inherit;
}
.farsia-calculator__intro { margin-bottom: 22px; text-align: center; }
.farsia-calculator__eyebrow { color: var(--farsia-gold); font-family: Georgia, serif; font-size: 12px; letter-spacing: 3px; }
.farsia-calculator__intro h1 { margin: 8px 0; font-size: clamp(26px, 6vw, 42px); font-weight: 900; }
.farsia-calculator__intro p { max-width: 560px; margin: auto; color: var(--farsia-muted); line-height: 1.9; }
.farsia-calculator__form,
.farsia-calculator__result {
    padding: clamp(20px, 5vw, 36px);
    border: 1px solid var(--farsia-line);
    border-radius: 24px;
    background: linear-gradient(145deg, #fff, var(--farsia-cream));
    box-shadow: 0 24px 70px rgba(40, 32, 20, .09);
}
.farsia-calculator__rate { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--farsia-line); }
.farsia-calculator__rate span, .farsia-calculator label > span:first-child { color: var(--farsia-muted); font-size: 12px; }
.farsia-calculator__rate strong { font-size: 18px; }
.farsia-calculator label { display: block; }
.farsia-calculator__percentages { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.farsia-calculator__units { display: inline-flex; gap: 4px; margin-top: 8px; padding: 4px; border-radius: 11px; background: rgba(184, 147, 79, .12); }
.farsia-calculator__units label { position: relative; cursor: pointer; }
.farsia-calculator__units input { position: absolute; opacity: 0; pointer-events: none; }
.farsia-calculator__units span { display: block; min-width: 54px; padding: 7px 10px; border-radius: 8px; color: var(--farsia-muted); font-size: 12px; font-weight: 800; text-align: center; }
.farsia-calculator__units input:checked + span { background: var(--farsia-ink); color: var(--farsia-gold-soft); }
.farsia-calculator__input { display: flex; align-items: center; margin-top: 7px; overflow: hidden; border: 1px solid var(--farsia-line); border-radius: 13px; background: #fff !important; }
.farsia-calculator__input:focus-within { border-color: var(--farsia-gold); box-shadow: 0 0 0 3px rgba(184, 147, 79, .12); }
.farsia-calculator__input input {
    width: 100%;
    min-height: 52px;
    padding: 0 15px;
    border: 0 !important;
    outline: 0;
    background: transparent !important;
    box-shadow: none !important;
    color: var(--farsia-gold) !important;
    -webkit-text-fill-color: var(--farsia-gold);
    caret-color: var(--farsia-gold);
    font-weight: 800;
}
.farsia-calculator__input input::placeholder { color: var(--farsia-gold) !important; opacity: .82 !important; -webkit-text-fill-color: var(--farsia-gold); }
.farsia-calculator__input input::-webkit-input-placeholder { color: var(--farsia-gold) !important; opacity: .82 !important; }
.farsia-calculator__input input::-moz-placeholder { color: var(--farsia-gold) !important; opacity: .82 !important; }
.farsia-calculator__input b { padding: 0 15px; color: var(--farsia-gold); white-space: nowrap; }
.farsia-calculator__hint { display: block; margin-top: 7px; color: var(--farsia-muted); font-size: 10px; line-height: 1.7; }
.farsia-calculator__stone-toggle { display: flex !important; gap: 11px; align-items: center; margin-top: 20px; padding: 14px; border: 1px solid var(--farsia-line); border-radius: 14px; cursor: pointer; }
.farsia-calculator__stone-toggle > input { position: absolute; opacity: 0; }
.farsia-calculator__switch { position: relative; width: 38px; height: 22px; flex: 0 0 auto; border-radius: 30px; background: #c9c2b5; transition: background .2s ease; }
.farsia-calculator__switch::after { position: absolute; top: 3px; right: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; content: ''; transition: transform .2s ease; }
.farsia-calculator__stone-toggle input:checked + .farsia-calculator__switch { background: var(--farsia-gold); }
.farsia-calculator__stone-toggle input:checked + .farsia-calculator__switch::after { transform: translateX(-16px); }
.farsia-calculator__stone-toggle strong, .farsia-calculator__stone-toggle small { display: block; }
.farsia-calculator__stone-toggle strong { font-size: 13px; }
.farsia-calculator__stone-toggle small { margin-top: 3px; color: var(--farsia-muted); font-size: 10px; }
.farsia-calculator__stone-field { display: block; margin-top: 14px; }
.farsia-calculator button { width: 100%; min-height: 54px; margin-top: 22px; border: 0; border-radius: 13px; background: var(--farsia-ink); color: #fff; cursor: pointer; font: inherit; font-weight: 800; }
.farsia-calculator button:hover { background: #2c2924; }
.farsia-calculator button:disabled { cursor: wait; opacity: .65; }
.farsia-calculator__error { margin: 12px 0 0; color: #a43838; font-size: 12px; }
.farsia-calculator__result { margin-top: 18px; text-align: center; }
.farsia-calculator__result > span { color: var(--farsia-muted); font-size: 12px; }
.farsia-calculator__result > strong { display: block; margin: 7px 0 20px; font-size: clamp(25px, 6vw, 38px); }
.farsia-calculator__result dl { margin: 0; }
.farsia-calculator__result dl div { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px dashed var(--farsia-line); }
.farsia-calculator__result dt { color: var(--farsia-muted); }
.farsia-calculator__result dd { margin: 0; font-weight: 800; }
.farsia-calculator__result small { display: block; margin-top: 17px; color: var(--farsia-muted); }
@media (max-width: 560px) { .farsia-calculator { margin: 24px auto; } .farsia-calculator__percentages { grid-template-columns: 1fr; } }