/* Kalkulátor podlahového vytápění - CSS styly */

.pv-calculator-container {
    --primary-color: #0073aa;
    --button-color: #00a32a;
    --button-text-color: #ffffff;
    --button-hover-color: #008a2e;
    --button-hover-text-color: #ffffff;
    --border-color: #ddd;
    --background-color: #f9f9f9;
    --hover-background: #f0f8ff;
    --text-color: #000000;
    --success-color: #46b450;
    --error-color: #dc3232;
    --border-radius: 8px;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pv-calculator {
    max-width: 800px;
    margin: 0 auto;
    background: transparent;
    padding: 2rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
}

.pv-calculator-title {
    display: none;
}

/* Podlaží */
.pv-floor {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    background: var(--background-color);
    transition: all 0.3s ease;
    animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pv-floor:hover {
    border-color: var(--primary-color);
}

.pv-floor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.pv-floor-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.3rem;
}

.pv-remove-floor {
    background: var(--error-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pv-remove-floor:hover {
    background: #c32626;
    transform: scale(1.1);
}

/* Formulářové řádky a skupiny */
.pv-form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.pv-form-group {
    flex: 1;
    min-width: 200px;
}

/* Speciální styling pro skupinu variant instalace */
.pv-form-group.pv-installation-group {
    flex-basis: 100%;
    min-width: unset;
}

/* Speciální řádek pro dropdowny - zajistí že budou vedle sebe */
.pv-form-row.pv-dropdowns-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.pv-form-row.pv-dropdowns-row .pv-form-group {
    flex: 1;
    min-width: 200px;
}

.pv-form-group > label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
    text-align: left;
}

/* Ovládání plochy */
.pv-area-control {
    display: flex;
    align-items: center;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: border-color 0.3s ease;
    width: 100%;
    box-sizing: border-box;
}

.pv-area-control:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

.pv-area-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem 1rem;
    font-size: 1.3rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    min-width: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    user-select: none;
}

.pv-area-btn:hover {
    background: #005a87;
    transform: scale(1.05);
}

.pv-area-btn:active {
    transform: scale(0.95);
}

.pv-area-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.pv-area-input {
    border: none;
    padding: 0.875rem 1rem;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    flex: 1;
    min-width: 0;
    background: transparent;
    box-sizing: border-box;
    color: var(--text-color);
}

.pv-area-input:focus {
    outline: none;
}

.pv-area-input::-webkit-outer-spin-button,
.pv-area-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.pv-area-input[type=number] {
    -moz-appearance: textfield;
}

/* Instalační možnosti - layout vedle sebe */
.pv-installation-options {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* Radio tlačítka - robustní verze */
.pv-radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.pv-radio-option {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    background: white;
    position: relative;
    height: 100%;
    box-sizing: border-box;
}

.pv-radio-option:hover {
    border-color: var(--primary-color);
    background: var(--hover-background);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 115, 170, 0.15);
}

.pv-radio-option:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skrytí radio puntíků */
.pv-radio-custom {
    display: none;
}

/* Aktivní stav - použije se JavaScript třída NEBO CSS selektor */
.pv-radio-option.pv-radio-active,
.pv-radio-option:has(input[type="radio"]:checked) {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.pv-radio-option.pv-radio-active:hover,
.pv-radio-option:has(input[type="radio"]:checked):hover {
    background: var(--primary-color) !important;
    transform: translateY(-1px);
}

.pv-radio-option.pv-radio-active .pv-radio-content strong,
.pv-radio-option:has(input[type="radio"]:checked) .pv-radio-content strong {
    color: white !important;
}

.pv-radio-option.pv-radio-active .pv-radio-content small,
.pv-radio-option:has(input[type="radio"]:checked) .pv-radio-content small {
    color: rgba(255, 255, 255, 0.9) !important;
}

.pv-radio-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.pv-radio-content {
    width: 100%;
    text-align: center;
}

.pv-radio-content strong {
    display: block;
    color: var(--text-color);
    margin-bottom: 0.25rem;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.pv-radio-content small {
    color: var(--text-color);
    font-size: 0.8rem;
    transition: color 0.3s ease;
}

/* Select a input pole */
.pv-select-wrapper {
    position: relative;
}

.pv-select,
.pv-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    background: white;
    transition: border-color 0.2s ease;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    box-sizing: border-box;
    color: var(--text-color);
}

.pv-select {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.5em 1.5em;
    padding-right: 2.5rem;
}

.pv-select:focus,
.pv-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1);
}

/* Checkbox */
.pv-checkbox-group {
    flex-basis: 100%;
}

.pv-checkbox-option {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    background: white;
    position: relative;
}

.pv-checkbox-option:hover {
    border-color: var(--primary-color);
    background: var(--hover-background);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 115, 170, 0.15);
}

.pv-checkbox-option:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Třída pro aktivní checkbox (zaškrtnutý) */
.pv-checkbox-option.pv-checkbox-active {
    background: var(--primary-color) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.pv-checkbox-option.pv-checkbox-active:hover {
    background: var(--primary-color) !important;
    transform: translateY(-1px);
}

.pv-checkbox-option input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

/* Skrytí checkbox puntíku - nechat jen tlačítko */
.pv-checkbox-custom {
    display: none;
}

/* Úprava marginu u textu bez checkbox puntíku */
.pv-checkbox-option span:not(.pv-checkbox-custom) {
    margin-left: 0;
    color: inherit;
    transition: color 0.3s ease;
}

/* Tlačítka */
.pv-btn {
    padding: 0.875rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

.pv-btn-primary {
    background: var(--button-color);
    color: var(--button-text-color);
    border: 1px solid var(--button-color);
}

.pv-btn-primary:hover {
    background: var(--button-hover-color);
    color: var(--button-hover-text-color);
    border-color: var(--button-hover-color);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 163, 42, 0.3);
}

.pv-btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 163, 42, 0.3);
}

.pv-btn-secondary {
    background: white;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.pv-btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 115, 170, 0.3);
}

.pv-btn-secondary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 115, 170, 0.3);
}

.pv-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.pv-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.2);
}

/* Sekce přidání podlaží */
.pv-add-floor-section {
    text-align: center;
    margin: 2rem 0;
}

/* Sekce kalkulace */
.pv-calculation-section {
    text-align: center;
    margin: 2rem 0;
}

/* Výsledky */
.pv-result {
    background: var(--background-color);
    border: 1px solid var(--success-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pv-result-header h3 {
    color: var(--success-color);
    margin: 0 0 1rem 0;
    font-size: 1.4rem;
}

.pv-result-details {
    margin-bottom: 1.5rem;
}

.pv-result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid #ddd;
    color: var(--text-color);
}

.pv-result-item:last-child {
    border-bottom: none;
}

.pv-result-total {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.3rem;
    font-weight: bold;
    color: var(--success-color);
    border-top: 1px solid var(--success-color);
    padding-top: 1rem;
    margin-top: 1rem;
}

.pv-total-price {
    font-size: 1.5rem;
}

/* Kontaktní sekce */
.pv-contact-section {
    background: var(--background-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin: 2rem 0;
    border: 1px solid var(--primary-color);
}

.pv-contact-section h3 {
    color: var(--text-color);
    margin: 0 0 1rem 0;
}

.pv-disclaimer {
    color: var(--text-color);
    font-style: italic;
    display: block;
    text-align: center;
}

/* Loading */
.pv-loading {
    text-align: center;
    padding: 2rem;
}

.pv-loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto 1rem;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Zpráva o úspěchu */
.pv-success-message {
    text-align: center;
    background: var(--background-color);
    border: 1px solid var(--success-color);
    border-radius: var(--border-radius);
    padding: 3rem 2rem;
    margin: 2rem 0;
}

.pv-success-icon {
    background: var(--success-color);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: bold;
    margin: 0 auto 1rem;
}

.pv-success-message h3 {
    color: var(--success-color);
    margin: 0 0 1rem 0;
}

/* Globální box-sizing */
.pv-calculator * {
    box-sizing: border-box;
    transition: all 0.3s ease;
}

/* RESPONZIVNÍ DESIGN */

/* Tablet a menší desktop (do 768px) */
@media (max-width: 768px) {
    .pv-calculator {
        padding: 1.5rem 1rem;
        margin: 0.5rem;
        border-radius: 6px;
    }

    .pv-calculator-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
        padding-bottom: 0.75rem;
    }

    .pv-area-control {
        max-width: none;
        width: 100%;
    }

    /* Formulářové řádky na mobilu - pod sebou */
    .pv-form-row {
        flex-direction: column;
        gap: 0.75rem;
        margin-bottom: 1.25rem;
    }

    /* Dropdowny na tablet stále vedle sebe */
    .pv-form-row.pv-dropdowns-row {
        flex-direction: row;
        gap: 1rem;
    }

    .pv-form-group {
        min-width: auto;
        width: 100%;
    }

    .pv-form-group > label {
        text-align: left;
    }

    /* Instalační varianty na mobilu - stále vedle sebe ale responzivněji */
    .pv-installation-options {
        gap: 0.75rem;
        grid-template-columns: 1fr 1fr;
    }

    /* Mobilní oprava pro ovládání plochy */
    .pv-area-control {
        max-width: none;
        width: 100%;
        min-height: 54px;
    }

    .pv-area-btn {
        padding: 1rem 1.5rem;
        font-size: 1.3rem;
        min-width: 60px;
        flex-shrink: 0;
    }

    .pv-area-input {
        padding: 1rem 0.75rem;
        font-size: 1.2rem;
    }

    .pv-radio-group {
        gap: 0.5rem;
    }

    .pv-radio-option,
    .pv-checkbox-option {
        padding: 0.875rem;
        font-size: 0.95rem;
    }

    .pv-radio-content strong {
        font-size: 0.9rem;
    }

    .pv-radio-content small {
        font-size: 0.75rem;
    }

    .pv-result-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.25rem;
        padding: 0.75rem 0;
    }

    .pv-result-total {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
        font-size: 1.2rem;
    }

    .pv-total-price {
        font-size: 1.4rem;
    }

    .pv-btn {
        width: 100%;
        padding: 1rem 1.5rem;
        font-size: 1.1rem;
    }
}

/* Mobilní telefony (do 480px) */
@media (max-width: 480px) {
    .pv-calculator {
        padding: 1rem 0.75rem;
        margin: 0.25rem;
    }

    .pv-calculator-title {
        font-size: 1.3rem;
        text-align: center;
        line-height: 1.3;
    }

    .pv-floor {
        padding: 1rem 0.75rem;
        margin-bottom: 1rem;
    }

    .pv-floor-header h3 {
        font-size: 1.1rem;
    }

    /* Dropdowny na malých mobilech - pod sebou */
    .pv-form-row.pv-dropdowns-row {
        flex-direction: column;
        gap: 0.75rem;
    }

    /* Na malých mobilech mohou být instalace pod sebou */
    .pv-installation-options {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .pv-area-control {
        min-height: 50px;
        border-radius: 6px;
    }

    .pv-area-btn {
        padding: 0.875rem 1.25rem;
        font-size: 1.2rem;
        min-width: 55px;
    }

    .pv-area-input {
        padding: 0.875rem 0.5rem;
        font-size: 1.1rem;
    }

    .pv-radio-option,
    .pv-checkbox-option {
        padding: 0.75rem;
        margin-bottom: 0.5rem;
    }

    .pv-select,
    .pv-input {
        padding: 0.875rem 0.75rem;
        font-size: 1rem;
    }

    .pv-result {
        padding: 1.5rem 1rem;
    }

    .pv-result-header h3 {
        font-size: 1.2rem;
    }

    .pv-contact-section {
        padding: 1.5rem 1rem;
    }

    .pv-success-message {
        padding: 2rem 1rem;
    }
}

/* Velmi malé telefony (do 360px) */
@media (max-width: 360px) {
    .pv-calculator-title {
        font-size: 1.2rem;
    }

    .pv-btn {
        padding: 0.875rem 1rem;
        font-size: 1rem;
    }

    .pv-radio-content {
        font-size: 0.85rem;
    }

    .pv-radio-content strong {
        font-size: 0.85rem;
    }

    .pv-radio-content small {
        font-size: 0.7rem;
    }

    /* Menší font v mobilních selectech */
    .pv-select {
        font-size: 0.85rem;
        padding: 0.75rem 2rem 0.75rem 0.65rem;
        background-size: 1.1em 1.1em;
        background-position: right 0.4rem center;
    }
}

/* Desktop optimalizace pro larger screens */
@media (min-width: 1024px) {
    .pv-calculator {
        padding: 2.5rem;
    }
    
    .pv-installation-options {
        gap: 1.5rem;
    }
    
    .pv-radio-option {
        padding: 1.25rem;
    }
    
    .pv-radio-content strong {
        font-size: 1rem;
    }
    
    .pv-radio-content small {
        font-size: 0.85rem;
    }
}