/**
 * Kalkulator Leasingowy — Styles
 * Version 1.0.0
 */

/* ======================================================================
   CSS CUSTOM PROPERTIES (overridden by admin settings via inline style)
   ====================================================================== */

.kl-calculator {
    --kl-primary: #0056b3;
    --kl-accent: #00a86b;
    --kl-bg: #ffffff;
    --kl-bg-subtle: #f8f9fa;
    --kl-border: #e2e8f0;
    --kl-text: #1a202c;
    --kl-text-muted: #718096;
    --kl-radius: 12px;
    --kl-radius-sm: 8px;
    --kl-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --kl-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
    --kl-transition: 0.2s ease;

    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    max-width: 640px;
    margin: 0 auto;
    color: var(--kl-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

.kl-calculator *,
.kl-calculator *::before,
.kl-calculator *::after {
    box-sizing: border-box;
}

/* ======================================================================
   TABS
   ====================================================================== */

.kl-tabs {
    display: flex;
    gap: 4px;
    background: var(--kl-bg-subtle);
    padding: 4px;
    border-radius: var(--kl-radius);
    margin-bottom: 24px;
}

.kl-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--kl-text-muted);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--kl-radius-sm);
    transition: all var(--kl-transition);
    line-height: 1.4;
}

.kl-tab:hover {
    color: var(--kl-text);
    background: rgba(0, 0, 0, 0.04);
}

.kl-tab--active {
    background: var(--kl-bg);
    color: var(--kl-primary);
    box-shadow: var(--kl-shadow);
}

.kl-tab--active:hover {
    background: var(--kl-bg);
    color: var(--kl-primary);
}

/* ======================================================================
   PANELS
   ====================================================================== */

.kl-panel {
    display: none;
}

.kl-panel--active {
    display: block;
    animation: kl-fadeIn 0.25s ease;
}

@keyframes kl-fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ======================================================================
   FORM FIELDS
   ====================================================================== */

.kl-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}

.kl-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kl-field > label {
    font-size: 14px;
    font-weight: 600;
    color: var(--kl-text);
}

/* Text / Number Input */
.kl-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--kl-border);
    border-radius: var(--kl-radius-sm);
    font-size: 18px;
    font-weight: 600;
    color: var(--kl-text);
    background: var(--kl-bg);
    transition: border-color var(--kl-transition);
    outline: none;
}

.kl-input:focus {
    border-color: var(--kl-primary);
}

/* Radio Group */
.kl-radio-group {
    display: flex;
    gap: 16px;
}

.kl-radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--kl-text);
    cursor: pointer;
    font-weight: 500;
}

.kl-radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    accent-color: var(--kl-primary);
    cursor: pointer;
}

/* Select */
.kl-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--kl-border);
    border-radius: var(--kl-radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--kl-text);
    background: var(--kl-bg);
    cursor: pointer;
    transition: border-color var(--kl-transition);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23718096' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.kl-select:focus {
    border-color: var(--kl-primary);
}

/* Slider */
.kl-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: var(--kl-border);
    outline: none;
    transition: background var(--kl-transition);
}

.kl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--kl-primary);
    cursor: pointer;
    border: 3px solid var(--kl-bg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
    transition: transform var(--kl-transition);
}

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

.kl-slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--kl-primary);
    cursor: pointer;
    border: 3px solid var(--kl-bg);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
}

.kl-slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    color: var(--kl-text-muted);
    margin-top: -4px;
}

/* Wpłata info */
.kl-wplata-info {
    font-size: 13px;
    font-weight: 600;
    color: var(--kl-primary);
    margin-top: 4px;
}

/* ======================================================================
   RESULTS
   ====================================================================== */

.kl-results {
    background: var(--kl-bg-subtle);
    border-radius: var(--kl-radius);
    padding: 24px;
    border: 1px solid var(--kl-border);
}

.kl-results__header {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--kl-text-muted);
    margin-bottom: 16px;
}

.kl-results__main {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.kl-result-card {
    background: var(--kl-bg);
    border-radius: var(--kl-radius-sm);
    padding: 16px;
    text-align: center;
    border: 1px solid var(--kl-border);
    transition: box-shadow var(--kl-transition);
}

.kl-result-card--primary {
    border-color: var(--kl-primary);
    box-shadow: 0 0 0 1px var(--kl-primary);
}

.kl-result-card__label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--kl-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    margin-bottom: 6px;
}

.kl-result-card__value {
    display: block;
    font-size: 22px;
    font-weight: 700;
    color: var(--kl-text);
    line-height: 1.2;
}

.kl-result-card--primary .kl-result-card__value {
    color: var(--kl-primary);
}

/* Breakdown */
.kl-results__breakdown {
    background: var(--kl-bg);
    border-radius: var(--kl-radius-sm);
    padding: 12px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--kl-border);
}

.kl-breakdown-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    font-size: 14px;
}

.kl-breakdown-row:not(:last-child) {
    border-bottom: 1px solid var(--kl-border);
}

.kl-breakdown-row span:first-child {
    color: var(--kl-text-muted);
}

.kl-breakdown-row span:last-child {
    font-weight: 600;
    color: var(--kl-text);
}

/* Extra info section (leasing: ubezpieczenie + wykup) */
.kl-results__extra {
    background: var(--kl-bg);
    border-radius: var(--kl-radius-sm);
    padding: 16px;
    margin-bottom: 16px;
    border: 1px solid var(--kl-border);
}

.kl-results__extra-header {
    font-size: 14px;
    font-weight: 600;
    color: var(--kl-text);
    margin-bottom: 12px;
}

.kl-extra-row {
    padding: 10px 0;
}

.kl-extra-row:not(:last-child) {
    border-bottom: 1px solid var(--kl-border);
}

.kl-extra-row__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.kl-extra-row__label {
    font-size: 14px;
    font-weight: 500;
    color: var(--kl-text);
}

.kl-extra-row__value {
    font-size: 15px;
    font-weight: 700;
    color: var(--kl-primary);
}

.kl-extra-row__note {
    font-size: 12px;
    color: var(--kl-text-muted);
    line-height: 1.6;
    margin: 8px 0 0 0;
    padding: 8px 10px;
    background: var(--kl-bg-subtle);
    border-radius: 6px;
    border-left: 3px solid var(--kl-primary);
}

/* WIBOR info */
.kl-results__info {
    margin-bottom: 12px;
}

.kl-wibor-info {
    font-size: 13px;
    color: var(--kl-text-muted);
}

.kl-wibor-date {
    font-size: 12px;
    color: var(--kl-text-muted);
}

/* Disclaimer */
.kl-disclaimer {
    font-size: 12px;
    color: var(--kl-text-muted);
    line-height: 1.6;
    margin-bottom: 20px;
    padding: 10px 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: var(--kl-radius-sm);
    border-left: 3px solid var(--kl-border);
}

/* ======================================================================
   VAT TOGGLE BUTTONS (Pożyczka netto/brutto)
   ====================================================================== */

.kl-vat-toggle {
    display: flex;
    gap: 8px;
}

.kl-vat-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 12px;
    border: 2px solid var(--kl-border);
    border-radius: var(--kl-radius-sm);
    background: var(--kl-bg);
    cursor: pointer;
    transition: all var(--kl-transition);
}

.kl-vat-btn:hover {
    border-color: var(--kl-primary);
    background: rgba(0, 86, 179, 0.03);
}

.kl-vat-btn--active {
    border-color: var(--kl-primary);
    background: rgba(0, 86, 179, 0.06);
    box-shadow: 0 0 0 1px var(--kl-primary);
}

.kl-vat-btn__label {
    font-size: 15px;
    font-weight: 700;
    color: var(--kl-text);
    line-height: 1.3;
}

.kl-vat-btn--active .kl-vat-btn__label {
    color: var(--kl-primary);
}

.kl-vat-btn__desc {
    font-size: 11px;
    font-weight: 500;
    color: var(--kl-text-muted);
    line-height: 1.3;
}

/* ======================================================================
   MARŻA INFO
   ====================================================================== */

.kl-marza-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    background: rgba(0, 86, 179, 0.06);
    border-radius: var(--kl-radius-sm);
    border: 1px solid rgba(0, 86, 179, 0.15);
    margin-bottom: 16px;
    font-size: 13px;
    font-weight: 600;
    color: var(--kl-primary);
}

.kl-marza-info__icon {
    font-size: 16px;
    flex-shrink: 0;
}

/* ======================================================================
   WYKUP SUMMARY (Leasing)
   ====================================================================== */

.kl-wykup-summary {
    background: var(--kl-bg);
    border-radius: var(--kl-radius-sm);
    padding: 14px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--kl-border);
}

.kl-wykup-summary__header {
    font-size: 14px;
    font-weight: 600;
    color: var(--kl-text);
    margin-bottom: 10px;
}

.kl-wykup-summary__row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 0;
}

.kl-wykup-summary__row:not(:last-child) {
    border-bottom: 1px solid var(--kl-border);
}

.kl-wykup-summary__label {
    font-size: 14px;
    font-weight: 500;
    color: var(--kl-text-muted);
}

.kl-wykup-summary__value {
    font-size: 15px;
    font-weight: 700;
    color: var(--kl-primary);
}

/* CTA Button */
.kl-cta-button {
    display: block;
    width: 100%;
    padding: 16px 24px;
    background: var(--kl-accent);
    color: #ffffff !important;
    text-align: center;
    font-family: Montserrat, sans-serif !important;
    font-size: 18px;
    font-weight: 800;
    text-transform: uppercase;
    text-decoration: none !important;
    border-radius: var(--kl-radius-sm);
    transition: all var(--kl-transition);
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
}

.kl-cta-button:hover {
    filter: brightness(1.08);
    box-shadow: var(--kl-shadow-lg);
    transform: translateY(-1px);
    color: #ffffff !important;
    text-decoration: none !important;
}

.kl-cta-button:active {
    transform: translateY(0);
}

/* ======================================================================
   RESPONSIVE
   ====================================================================== */

@media (max-width: 480px) {
    .kl-calculator {
        padding: 0 4px;
    }

    .kl-tabs {
        margin-bottom: 16px;
    }

    .kl-tab {
        padding: 10px 12px;
        font-size: 14px;
    }

    .kl-results {
        padding: 16px;
    }

    .kl-results__main {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .kl-result-card__value {
        font-size: 20px;
    }

    .kl-input {
        font-size: 16px;
        padding: 10px 14px;
    }

    .kl-form {
        gap: 16px;
    }

    .kl-cta-button {
        padding: 14px 20px;
        font-size: 15px;
    }

    .kl-vat-btn {
        padding: 8px 10px;
    }

    .kl-vat-btn__label {
        font-size: 14px;
    }

    .kl-vat-btn__desc {
        font-size: 10px;
    }
}