/* ============================================================
   PRS SMART QUOTATION CALCULATOR
============================================================ */

.calculator-section {
    background: var(--prs-soft);
    border-top: 1px solid var(--prs-line);
    border-bottom: 1px solid var(--prs-line);
    padding: 55px 0 70px;
}

.calc-heading-accent {
    color: var(--prs-orange);
}

/* ═══════════════════════════════════════════════
   CALCULATOR LAYOUT
   ═══════════════════════════════════════════════ */

#calculatorApp.calculator {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 0;
    overflow: hidden;
    border: 1px solid var(--prs-line);
    border-radius: 20px;
    background: var(--prs-white);
    box-shadow: var(--prs-shadow);
    padding: 0;
}

/* ═══════════════════════════════════════════════
   INPUTS SIDE
   ═══════════════════════════════════════════════ */

.calculator-controls {
    display: grid;
    gap: 22px;
    padding: 34px 38px;
    background: var(--prs-white);
}

.calc-field {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.calc-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin: 0;
    color: var(--prs-navy);
    font-size: 13px;
    font-weight: 750;
    line-height: 1.4;
}

.calc-step {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    flex: 0 0 24px;
    margin-right: 8px;
    border-radius: 7px;
    background: rgba(248,103,59,.10);
    color: var(--prs-orange);
    font-size: 10px;
    font-weight: 850;
}

.calc-label > span:nth-child(2) {
    flex: 1;
}

.calc-value {
    flex: 0 0 auto;
    padding: 4px 10px;
    border-radius: 7px;
    background: rgba(248,103,59,.08);
    color: var(--prs-orange);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: -.2px;
    white-space: nowrap;
}

/* ─── Select ─── */
.calc-select {
    width: 100%;
    min-height: 46px;
    padding: 0 14px;
    border: 1px solid var(--prs-line);
    border-radius: 10px;
    background: var(--prs-white);
    color: var(--prs-navy);
    font-family: inherit;
    font-size: 13px;
    font-weight: 650;
    outline: none;
    cursor: pointer;
    transition: border-color var(--prs-transition), box-shadow var(--prs-transition);
}

.calc-select:hover {
    border-color: rgba(248,103,59,.35);
}

.calc-select:focus {
    border-color: var(--prs-orange);
    box-shadow: 0 0 0 3px rgba(248,103,59,.08);
}

/* ─── Range slider ─── */
.calc-field input[type="range"] {
    width: 100%;
    height: 6px;
    margin: 4px 0 0;
    border-radius: 20px;
    background: var(--prs-line);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    cursor: pointer;
}

.calc-field input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--prs-orange);
    border: 3px solid var(--prs-white);
    box-shadow: 0 2px 6px rgba(248,103,59,.35);
    cursor: grab;
    transition: transform var(--prs-transition);
}

.calc-field input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.calc-field input[type="range"]::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--prs-orange);
    border: 3px solid var(--prs-white);
    box-shadow: 0 2px 6px rgba(248,103,59,.35);
    cursor: grab;
}

/* ═══════════════════════════════════════════════
   RESULT SIDE
   ═══════════════════════════════════════════════ */

.calculator-result-panel {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 34px 32px;
    background: linear-gradient(145deg, #fbfcfe, #f4f6fa);
    border-left: 1px solid var(--prs-line);
}

.calc-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.calc-result-eyebrow {
    color: var(--prs-orange-dark);
    font-size: 10px;
    font-weight: 850;
    letter-spacing: 1.2px;
}

.calc-result-live {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--prs-muted);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: .8px;
}

.calc-result-live .status-dot {
    width: 6px;
    height: 6px;
}

/* ─── Price range ─── */
.calc-result-range {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin: 6px 0;
    padding: 20px 0;
    border-top: 1px solid var(--prs-line);
    border-bottom: 1px solid var(--prs-line);
}

.calc-result-price {
    color: var(--prs-navy);
    font-size: 27px;
    line-height: 1;
    font-weight: 900;
    letter-spacing: -1.2px;
    white-space: nowrap;
    transition: color 300ms ease;
}

.calc-result-price-high {
    color: var(--prs-orange);
}

.calc-result-sep {
    color: var(--prs-muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.calc-result-subtitle {
    margin: -8px 0 4px;
    color: var(--prs-muted);
    font-size: 10px;
    font-weight: 650;
    text-align: center;
    letter-spacing: .2px;
}

/* ─── Breakdown ─── */
.calc-breakdown {
    display: grid;
    gap: 8px;
    padding-top: 4px;
}

.calc-breakdown-item {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    padding: 9px 12px;
    border-radius: 9px;
    background: var(--prs-white);
    border: 1px solid var(--prs-line);
    font-size: 11px;
}

.calc-breakdown-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    border-radius: 7px;
    background: rgba(248,103,59,.08);
    color: var(--prs-orange);
    font-size: 11px;
}

.calc-breakdown-label {
    color: var(--prs-navy);
    font-weight: 700;
    line-height: 1.35;
}

.calc-breakdown-label small {
    display: block;
    margin-top: 2px;
    color: var(--prs-muted);
    font-size: 9px;
    font-weight: 600;
}

.calc-breakdown-price {
    color: var(--prs-navy);
    font-size: 11px;
    font-weight: 850;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
}

.calc-breakdown-total {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 6px;
    padding: 11px 14px;
    border-radius: 10px;
    background: rgba(248,103,59,.06);
    border: 1px solid rgba(248,103,59,.18);
}

.calc-breakdown-total span {
    color: var(--prs-navy);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: .3px;
}

.calc-breakdown-total strong {
    color: var(--prs-orange);
    font-size: 12px;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

/* ─── Budget fit check ─── */
.calc-fit-check {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 11px 13px;
    border-radius: 10px;
    font-size: 11px;
    line-height: 1.55;
    font-weight: 650;
}

.calc-fit-check i {
    flex: 0 0 auto;
    margin-top: 1px;
    font-size: 13px;
}

.calc-fit-ok {
    background: rgba(52,168,83,.08);
    color: #1e7a3d;
    border: 1px solid rgba(52,168,83,.18);
}

.calc-fit-ok i {
    color: #1e7a3d;
}

.calc-fit-over {
    background: rgba(248,103,59,.08);
    color: var(--prs-orange-dark);
    border: 1px solid rgba(248,103,59,.22);
}

.calc-fit-over i {
    color: var(--prs-orange);
}

.calc-fit-under {
    background: rgba(43,49,83,.05);
    color: var(--prs-navy);
    border: 1px solid rgba(43,49,83,.12);
}

.calc-fit-under i {
    color: var(--prs-navy);
}

/* ─── Actions ─── */
.calc-actions {
    display: flex;
    flex-direction: column;
    gap: 11px;
    margin-top: auto;
    padding-top: 6px;
}

.calc-actions .btn {
    width: 100%;
    justify-content: center;
}

.calc-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 7px;
    color: var(--prs-muted);
    font-size: 9px;
    font-weight: 650;
}

.calc-note i {
    color: var(--prs-orange);
    font-size: 11px;
}

/* ─── Loading state ─── */
.calc-loading {
    position: relative;
    pointer-events: none;
    opacity: .6;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════ */

@media (max-width: 1000px) {
    #calculatorApp.calculator {
        grid-template-columns: 1fr;
    }

    .calculator-result-panel {
        border-left: 0;
        border-top: 1px solid var(--prs-line);
    }
}

@media (max-width: 760px) {
    .calculator-section {
        padding: 45px 0 55px;
    }

    .calculator-controls {
        padding: 26px 22px;
        gap: 18px;
    }

    .calculator-result-panel {
        padding: 26px 22px;
    }

    .calc-result-range {
        gap: 8px;
        padding: 16px 0;
    }

    .calc-result-price {
        font-size: 22px;
        letter-spacing: -.8px;
    }

    .calc-result-sep {
        font-size: 9px;
    }

    .calc-label {
        font-size: 12px;
    }

    .calc-value {
        font-size: 12px;
        padding: 3px 8px;
    }

    .calc-select {
        font-size: 12px;
        min-height: 42px;
    }
}

@media (max-width: 480px) {
    .calc-result-range {
        flex-direction: column;
        gap: 6px;
    }

    .calc-result-sep {
        transform: rotate(0);
    }

    .calc-result-price {
        font-size: 26px;
    }

    .calc-breakdown-item {
        grid-template-columns: auto 1fr;
        gap: 8px;
        padding: 8px 10px;
    }

    .calc-breakdown-price {
        grid-column: 2;
        justify-self: end;
        font-size: 10px;
    }

    .calc-breakdown-total {
        flex-direction: column;
        gap: 4px;
        align-items: flex-start;
    }
}