/**
 * Kalkulator Pożyczki Agro — Styles
 * Version 1.0.0
 * Consistent with Kalkulator Pożyczki design
 */

/* ======================================================================
   CSS CUSTOM PROPERTIES
   ====================================================================== */

.kpa-calculator {
    --kpa-primary: #0056b3;
    --kpa-accent: #00a86b;
    --kpa-bg: #ffffff;
    --kpa-bg-subtle: #f8f9fa;
    --kpa-border: #e2e8f0;
    --kpa-text: #1a202c;
    --kpa-text-muted: #718096;
    --kpa-radius: 12px;
    --kpa-radius-sm: 8px;
    --kpa-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.06);
    --kpa-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.1);
    --kpa-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(--kpa-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

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

/* ======================================================================
   CATEGORY CARDS
   ====================================================================== */

.kpa-category-toggle {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kpa-cat-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 14px 16px;
    border: 2px solid var(--kpa-border);
    border-radius: var(--kpa-radius-sm);
    background: var(--kpa-bg);
    cursor: pointer;
    transition: all var(--kpa-transition);
    text-align: left;
    width: 100%;
}

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

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

.kpa-cat-btn__icon {
    font-size: 22px;
    line-height: 1;
    margin-bottom: 2px;
}

.kpa-cat-btn__title {
    font-size: 15px;
    font-weight: 700;
    color: var(--kpa-text);
    line-height: 1.3;
}

.kpa-cat-btn--active .kpa-cat-btn__title {
    color: var(--kpa-primary);
}

.kpa-cat-btn__desc {
    font-size: 12px;
    font-weight: 400;
    color: var(--kpa-text-muted);
    line-height: 1.5;
}

/* ======================================================================
   VAT / STAN TOGGLE BUTTONS
   ====================================================================== */

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

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

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

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

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

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

/* Also style .kpa-nettobr-btn identically */
.kpa-nettobr-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 10px 12px;
    border: 2px solid var(--kpa-border);
    border-radius: var(--kpa-radius-sm);
    background: var(--kpa-bg);
    cursor: pointer;
    transition: all var(--kpa-transition);
}

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

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

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

/* ======================================================================
   PARAMS INFO
   ====================================================================== */

.kpa-params-info {
    background: rgba(0, 86, 179, 0.05);
    border: 1px solid rgba(0, 86, 179, 0.18);
    border-radius: var(--kpa-radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--kpa-text);
}

.kpa-params-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.kpa-params-list li {
    line-height: 1.5;
    color: var(--kpa-text-muted);
}

/* ======================================================================
   TEXT INPUT
   ====================================================================== */

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

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

/* ======================================================================
   SELECT
   ====================================================================== */

.kpa-select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--kpa-border);
    border-radius: var(--kpa-radius-sm);
    font-size: 15px;
    font-weight: 500;
    color: var(--kpa-text);
    background: var(--kpa-bg);
    cursor: pointer;
    transition: border-color var(--kpa-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;
}

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

/* ======================================================================
   SLIDER
   ====================================================================== */

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

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

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

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

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

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

/* ======================================================================
   ERROR
   ====================================================================== */

.kpa-error {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    background: #fff5f5;
    border: 1px solid #feb2b2;
    border-radius: var(--kpa-radius-sm);
    padding: 12px 16px;
    font-size: 13px;
    color: #c53030;
    margin-top: -8px;
    margin-bottom: 8px;
}

.kpa-error__icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 1px;
}

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

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

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

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

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

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

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

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

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

/* ======================================================================
   WIBOR / DISCLAIMER / CTA
   ====================================================================== */

.kpa-results__info {
    margin-bottom: 12px;
}

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

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

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

.kpa-cta-button {
    display: block;
    width: 100%;
    padding: 16px 24px;
    background: var(--kpa-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(--kpa-radius-sm);
    transition: all var(--kpa-transition);
    border: none;
    cursor: pointer;
    letter-spacing: 0.02em;
}

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

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

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

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

    .kpa-results {
        padding: 16px;
    }

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

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

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

    .kpa-form {
        gap: 16px;
    }

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

    .kpa-vat-btn,
    .kpa-nettobr-btn {
        padding: 8px 10px;
    }

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

    .kpa-cat-btn__title {
        font-size: 14px;
    }

    .kpa-cat-btn__desc {
        font-size: 11px;
    }
}