/* ==========================================================================
   Išdėstymas
   ========================================================================== */

.app {
    display: flex;
    max-width: 1440px;
    margin: 0 auto;
    align-items: flex-start;
}

.left-col {
    width: 38%;
    position: sticky;
    top: 0;
    height: 100vh;
    padding: 56px 48px;
    display: flex;
    flex-direction: column;
    box-sizing: border-box;
    overflow-y: auto;
}

.right-col {
    width: 62%;
    padding: 56px 64px 120px;
    box-sizing: border-box;
}

.hairline {
    border: none;
    border-top: 1px solid var(--hairline);
    margin: 28px 0;
}

/* ==========================================================================
   Kaina (kairė kolona)
   ========================================================================== */

.eyebrow {
    font-family: var(--font-sans);
    font-size: 12px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: #8a8a8a;
    margin: 0 0 12px;
}

.price {
    font-family: var(--font-serif);
    font-size: 68px;
    line-height: 1;
    color: var(--accent);
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.price-sub {
    font-family: var(--font-sans);
    font-size: 14px;
    color: #8a8a8a;
    margin: 12px 0 28px;
}

.cta-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-self: flex-start;
}

.cta {
    font-family: var(--font-sans);
    font-size: 15px;
    background: var(--accent);
    color: #fff;
    border: 1px solid var(--accent);
    padding: 15px 26px;
    cursor: pointer;
    transition: opacity 0.15s;
    text-align: center;
}

.cta:hover { opacity: 0.88; }

.cta--secondary {
    background: transparent;
    color: var(--accent);
}

.accuracy__label {
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--text);
    margin: 0 0 10px;
}

.accuracy__bar {
    height: 3px;
    background: var(--hairline);
    position: relative;
}

.accuracy__bar-fill {
    height: 100%;
    width: 0%;
    background: var(--accent);
    transition: width 0.3s ease;
}

.accuracy__sub {
    font-family: var(--font-sans);
    font-size: 12.5px;
    color: #8a8a8a;
    margin: 10px 0 0;
}

.house-drawing {
    margin: 28px 0;
}

.house-drawing img {
    display: block;
    width: 100%;
    max-width: 210px;
    height: auto;
}

.privacy-note {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-size: 12px;
    color: #9a9a9a;
    margin: auto 0 0;
}

.privacy-note__icon {
    width: 13px;
    height: 13px;
    flex: none;
    stroke: currentColor;
    stroke-width: 1.3;
    fill: none;
}

/* ==========================================================================
   Etapo tabai (dešinė kolona)
   ========================================================================== */

.tabs {
    display: flex;
    gap: 28px;
    border-bottom: 1px solid var(--hairline);
}

.tabs__tab {
    font-family: var(--font-sans);
    font-size: 15px;
    color: #9a9a9a;
    background: none;
    border: none;
    padding: 0 0 14px;
    cursor: pointer;
    position: relative;
}

.tabs__tab.is-active {
    color: var(--accent);
}

.tabs__tab.is-active::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    background: var(--accent);
}

.tabs__hint {
    font-family: var(--font-sans);
    font-size: 13px;
    color: #9a9a9a;
    margin: 14px 0 8px;
}

/* ==========================================================================
   Blokai
   ========================================================================== */

.block {
    padding: 32px 0;
    border-top: 1px solid var(--hairline);
    transition: opacity 0.2s;
}

.right-col .tabs__hint + .block {
    border-top: none;
}

.block__title {
    font-family: var(--font-sans);
    font-size: 12.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #8a8a8a;
    margin: 0 0 24px;
}

.block__inactive-note {
    display: none;
    font-family: var(--font-sans);
    font-size: 12.5px;
    font-style: italic;
    color: #9a9a9a;
    margin: -12px 0 24px;
}

.block.is-inactive {
    opacity: 0.3;
    pointer-events: none;
    user-select: none;
}

.block.is-inactive .block__inactive-note {
    display: block;
}

/* ==========================================================================
   Laukai
   ========================================================================== */

.field { margin-bottom: 30px; }
.field:last-child { margin-bottom: 0; }

.field-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 28px 32px;
    margin-bottom: 30px;
}

/* Naudojama, kai stulpeliai turi tik chip'us (siaurus), ne ikonų korteles -
   neleidžiame jiems išsitempti per visą plotį, kad likusi eilutė netuščiuotų. */
.field-grid--narrow {
    grid-template-columns: repeat(auto-fit, minmax(170px, 260px));
}

.field__row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 10px;
}

.field__label {
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--text);
    margin: 0 0 10px;
}

.field__row .field__label { margin: 0; }

.field__value {
    font-family: var(--font-serif);
    font-size: 22px;
    color: var(--text);
    font-variant-numeric: tabular-nums;
}

.field__range-labels {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-sans);
    font-size: 11.5px;
    color: #a3a3a3;
    margin-top: 6px;
}

/* Slankikliai */

.slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 2px;
    background: var(--hairline);
    outline: none;
    margin: 0;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.5px solid var(--accent);
    cursor: pointer;
    transition: transform 0.1s;
}

.slider::-webkit-slider-thumb:hover { transform: scale(1.15); }

.slider::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--bg);
    border: 1.5px solid var(--accent);
    cursor: pointer;
}

.slider::-moz-range-track {
    height: 2px;
    background: var(--hairline);
}

/* Tekstinių pasirinkimų grupė ("chip") */

.chip-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.chip {
    position: relative;
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--text);
    border: 1px solid var(--hairline);
    padding: 10px 16px;
    cursor: pointer;
    user-select: none;
}

.chip input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.chip:has(input:checked) {
    border-color: var(--accent);
    background: var(--accent);
    color: #fff;
}

.chip:has(input:focus-visible) {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Ikonų kortelių grupė ("card") */

.card-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.card {
    position: relative;
    width: 124px;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    text-align: center;
    border: 1px solid var(--hairline);
    padding: 18px 10px 14px;
    cursor: pointer;
    user-select: none;
}

.card input {
    position: absolute;
    opacity: 0;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.card__icon {
    width: 32px;
    height: 32px;
    color: var(--text);
    flex: none;
}

.card__label {
    font-family: var(--font-sans);
    font-size: 12px;
    line-height: 1.35;
    color: var(--text);
}

.card:has(input:checked) {
    border-color: var(--accent);
}

.card:has(input:checked) .card__icon,
.card:has(input:checked) .card__label {
    color: var(--accent);
}

.card:has(input:focus-visible) {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.card[hidden] { display: none; }

/* Jungikliai (rekuperacija/kondicionavimas/saulė) */

.field--toggles {
    display: flex;
    gap: 28px;
    flex-wrap: wrap;
}

.toggle {
    display: flex;
    align-items: center;
    gap: 9px;
    font-family: var(--font-sans);
    font-size: 13.5px;
    color: var(--text);
    cursor: pointer;
}

.toggle input {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ==========================================================================
   Mobili versija - kaina prilimpa viršuje kaip plona juosta
   ========================================================================== */

/* ==========================================================================
   Mokamo kelio overlay - maskuota peržiūra ir naudos sąrašas
   ========================================================================== */

.paid-benefits {
    list-style: none;
    margin: 0 0 28px;
    padding: 0;
}

.paid-benefits li {
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    color: var(--text);
    padding: 8px 0 8px 24px;
    position: relative;
}

.paid-benefits li::before {
    content: '';
    position: absolute;
    left: 2px;
    top: 15px;
    width: 10px;
    height: 5px;
    border-left: 1.6px solid var(--accent);
    border-bottom: 1.6px solid var(--accent);
    transform: rotate(-45deg);
}

.paid-note {
    font-family: var(--font-sans);
    font-size: 12px;
    color: #9a9a9a;
    margin: 10px 0 0;
}

/* Maskuota peržiūra: pilki brūkšniai vietoje turinio. Turinys neegzistuoja
   naršyklėje - tai placeholder'iai, ne blur ant tikro teksto. */

.paid-preview {
    border: 1px solid var(--hairline);
    padding: 24px 22px;
    user-select: none;
    pointer-events: none;
}

.preview-section { margin-bottom: 22px; }
.preview-section:last-child { margin-bottom: 0; }

.preview-section__head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 10px;
}

.preview-section__name {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--text);
}

.preview-section__meta {
    font-family: var(--font-sans);
    font-size: 11.5px;
    color: #9a9a9a;
    white-space: nowrap;
}

.preview-row {
    display: flex;
    gap: 14px;
    align-items: center;
    padding: 4.5px 0;
}

.preview-bar {
    display: block;
    height: 8px;
    background: rgba(26, 26, 26, 0.13);
    border-radius: 1px;
}

.preview-bar--name { flex: 0 1 auto; }
.preview-row__qty { width: 12%; display: flex; justify-content: flex-end; }
.preview-row__sum { width: 15%; display: flex; justify-content: flex-end; }
.preview-row__name { flex: 1; }

@media (max-width: 860px) {
    .app { flex-direction: column; }

    .left-col {
        width: 100%;
        height: auto;
        position: sticky;
        top: 0;
        z-index: 20;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        padding: 14px 18px;
        background: var(--bg);
        border-bottom: 1px solid var(--hairline);
        overflow: visible;
    }

    .eyebrow,
    .accuracy,
    .house-drawing,
    .privacy-note,
    .left-col > .hairline {
        display: none;
    }

    .price { font-size: 26px; }
    .price-sub { display: none; }

    .cta-group { gap: 6px; }

    .cta {
        padding: 9px 14px;
        font-size: 12.5px;
        white-space: nowrap;
    }

    .right-col { width: 100%; padding: 20px 18px 80px; }

    .field-grid { grid-template-columns: 1fr; }

    .card { width: calc(50% - 6px); }

    .slider::-webkit-slider-thumb { width: 22px; height: 22px; }
    .slider::-moz-range-thumb { width: 22px; height: 22px; }

    .chip, .toggle { font-size: 15px; padding: 12px 18px; }
}