/* ========================================
   🌊 RIGEL KALKULAČKA VODNÍCH LAŤÍ - CSS
   Parametry šířky podle podmínek měření
   ======================================== */

/* ================== RIGEL FONTS ================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Condensed:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Roboto+Serif:wght@300;400;500&display=swap');

/* ================== KALKULAČKA CONTAINER ================== */
#rigel-parametry-calculator {
    font-family: "Local Inter", "Inter", sans-serif;
    font-size: clamp(1rem, 1.4vw + 0.3rem, 1.2rem);
    line-height: 1.38;
    color: #29414A;
    background: linear-gradient(135deg, #F2F5FF 0%, #ffffff 100%);
    min-height: 90vh;
}

#rigel-parametry-calculator * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ================== LAYOUT ================== */
#rigel-parametry-calculator .calculator-container {
    max-width: 1400px;
    margin: 0 auto 0 0;
    padding: 2.36rem 0 2.36rem 0 ;
    display: grid;
    gap: 3.82rem;
}

/* Mobile: Stack vertically */
@media (max-width: 1366px) {
    #rigel-parametry-calculator .calculator-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto;
    }
}

/* Desktop: Side by side */
@media (min-width: 1367px) {
    #rigel-parametry-calculator .calculator-container {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
        align-items: start;
    }
}

/* ================== CALCULATOR CARD ================== */
#rigel-parametry-calculator .calculator-card {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 3.82rem 0 3.82rem 0;
    box-shadow: 0 4px 20px rgba(29, 56, 92, 0.12);
    border: 1px solid rgba(29, 56, 92, 0.1);
}

#rigel-parametry-calculator .card-title {
    font-size: clamp(1.81rem, 2.5vw + 0.5rem, 2.8rem);
    color: #1D385C;
    font-weight: 600;
    margin-bottom: 2.36rem;
    text-align: left;
}

/* ================== FORM ELEMENTS ================== */
#rigel-parametry-calculator .form-section {
    margin-bottom: 2.36rem;
}

#rigel-parametry-calculator .form-label {
    display: block;
    font-weight: 500;
    color: #4B5F7A;
    margin-bottom: 0.90rem;
    font-size: clamp(1.31rem, 1.8vw + 0.4rem, 1.7rem);
}

#rigel-parametry-calculator .form-description {
    font-size: 0.9rem;
    color: #607580;
    margin-bottom: 1.46rem;
    line-height: 1.4;
}

/* Select dropdowns */
#rigel-parametry-calculator .form-select {
    width: 100%;
    padding: 1.46rem 1.46rem;
    border: 2px solid rgba(29, 56, 92, 0.2);
    border-radius: 8px;
    font-size: clamp(1rem, 1.4vw + 0.3rem, 1.2rem);
    font-family: "Local Inter", "Inter", sans-serif;
    background: #FFFFFF;
    color: #29414A;
    cursor: pointer;
    transition: all 0.3s ease;
}

#rigel-parametry-calculator .form-select:focus {
    outline: none;
    border-color: #B04A37;
    box-shadow: 0 0 0 3px rgba(180, 74, 55, 0.1);
}

#rigel-parametry-calculator .form-select:hover {
    border-color: #B04A37;
}

#rigel-parametry-calculator .form-select option {
    padding: 0.90rem;
    background: #FFFFFF;
    color: #29414A;
}

/* Range slider */
#rigel-parametry-calculator .range-container {
    margin: 1.46rem 0;
}

#rigel-parametry-calculator .range-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: #ddd;
    outline: none;
    -webkit-appearance: none;
}

#rigel-parametry-calculator .range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #B04A37;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(180, 74, 55, 0.3);
}

#rigel-parametry-calculator .range-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: #B04A37;
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(180, 74, 55, 0.3);
}

#rigel-parametry-calculator .range-value {
    text-align: center;
    font-size: clamp(1.81rem, 2.5vw + 0.5rem, 2.8rem);
    font-weight: 600;
    color: #B04A37;
    margin-top: 0.90rem;
}

/* Toggle switch */
#rigel-parametry-calculator .toggle-container {
    display: flex;
    align-items: center;
    gap: 1.46rem;
    justify-content: flex-start;
}

#rigel-parametry-calculator .toggle-container div {
    font-size: clamp(1rem, 1.4vw + 0.3rem, 1.2rem);
    color: #4B5F7A;
}

#rigel-parametry-calculator .toggle {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
}

#rigel-parametry-calculator .toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

#rigel-parametry-calculator .slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: 0.4s;
    border-radius: 34px;
}

#rigel-parametry-calculator .slider:before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.4s;
    border-radius: 50%;
}

#rigel-parametry-calculator input:checked + .slider {
    background-color: #B04A37;
}

#rigel-parametry-calculator input:checked + .slider:before {
    transform: translateX(26px);
}

/* Calculate button - podle RIGEL CSS */
#rigel-parametry-calculator .calculate-btn {
    width: 100%;
    padding: 12px 24px;
    background-color: #B04A37;
    color: white;
    font-family: "Local Roboto Condensed", "Roboto Condensed", sans-serif;
    font-size: clamp(1rem, 1.4vw + 0.3rem, 1.2rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 2.36rem;
}

#rigel-parametry-calculator .calculate-btn:hover {
    background-color: #9A3E2F;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(180, 74, 55, 0.3);
}

#rigel-parametry-calculator .calculate-btn:active {
    transform: translateY(0);
    box-shadow: inset 0 2px 4px rgba(29, 56, 92, 0.15);
}

/* ================== RESULTS CARD ================== */
#rigel-parametry-calculator .results-card {
    background: #FFFFFF;
    border-radius: 16px;
    padding: 3.82rem;
    box-shadow: 0 4px 20px rgba(29, 56, 92, 0.12);
    border: 1px solid rgba(29, 56, 92, 0.1);
    min-height: 400px;
}

#rigel-parametry-calculator .results-hidden {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #607580;
    font-size: clamp(1.31rem, 1.8vw + 0.4rem, 1.7rem);
    text-align: center;
    min-height: 400px;
}

#rigel-parametry-calculator .recommendation {
    border: 2px solid #B04A37;
    border-radius: 12px;
    padding: 2.36rem;
    margin-bottom: 2.36rem;
    background: rgba(180, 74, 55, 0.05);
}

#rigel-parametry-calculator .recommendation-title {
    font-size: clamp(1.81rem, 2.5vw + 0.5rem, 2.8rem);
    color: #B04A37;
    font-weight: 600;
    margin-bottom: 1.46rem;
    display: flex;
    align-items: center;
    gap: 0.90rem;
}

#rigel-parametry-calculator .recommendation-specs {
    display: grid;
    gap: 0.90rem;
    margin-bottom: 1.46rem;
}

#rigel-parametry-calculator .spec-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.90rem 0;
    border-bottom: 1px solid rgba(29, 56, 92, 0.1);
}

#rigel-parametry-calculator .spec-label {
    font-weight: 500;
    color: #4B5F7A;
}

#rigel-parametry-calculator .spec-value {
    font-weight: 600;
    color: #1D385C;
}

#rigel-parametry-calculator .alternatives {
    margin-top: 2.36rem;
}

#rigel-parametry-calculator .alternatives-title {
    font-size: clamp(1.31rem, 1.8vw + 0.4rem, 1.7rem);
    color: #4B5F7A;
    font-weight: 600;
    margin-bottom: 1.46rem;
}

#rigel-parametry-calculator .alternative-item {
    padding: 0.618rem;
    background: #F2F5FF;
    border-radius: 8px;
    margin-bottom: 0.618rem;
    font-size: 0.75rem;
    line-height: 1.23;
}

#rigel-parametry-calculator .hydro-types {
    margin-top: 2.36rem;
    padding: 1.46rem;
    background: rgba(29, 56, 92, 0.05);
    border-radius: 8px;
}

#rigel-parametry-calculator .hydro-title {
    font-family: "Roboto Condensed", sans-serif;
    color: #1D385C;
    font-weight: 600;
    margin-bottom: 1.46rem;
}

#rigel-parametry-calculator .hydro-item {
    margin-bottom: 0.90rem;
    font-size: 0.75rem;
    padding: 0.90rem;
    background: rgba(180, 74, 55, 0.1);
    border-radius: 4px;
}

/* Export buttons */
#rigel-parametry-calculator .export-buttons {
    display: flex;
    gap: 1.46rem;
    margin-top: 2.36rem;
}

#rigel-parametry-calculator .export-btn {
    flex: 1;
    padding: 1.46rem;
    border: 2px solid #B04A37;
    background: #FFFFFF;
    color: #B04A37;
    border-radius: 8px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

#rigel-parametry-calculator .export-btn:hover {
    background: #B04A37;
    color: #FFFFFF;
}

/* ================== RESPONSIVE ================== */
@media (max-width: 767px) {
    #rigel-parametry-calculator .calculator-container {
        padding: 1.46rem 0 1.46rem 0;
        gap: 2.36rem;
    }
    
    #rigel-parametry-calculator .calculator-card,
    #rigel-parametry-calculator .results-card {
        padding: 2.36rem 0 2.36rem 0;
    }
}

/* ================== PRINT STYLES ================== */
@media print {
    /* Skrýt všechno kromě kalkulačky */
    body * {
        visibility: hidden;
    }
    
    /* Zobrazit jen obsah kalkulačky */
    #rigel-parametry-calculator,
    #rigel-parametry-calculator * {
        visibility: visible;
    }
    
    /* Nastavení pro kalkulačku při tisku */
    #rigel-parametry-calculator {
        position: absolute;
        left: 0;
        top: 0;
        background: white;
        width: 100% !important;
        height: auto !important;
        margin: 0;
        padding: 20px;
    }
    
    /* Skrýt formulář při tisku */
    #rigel-parametry-calculator .calculator-card {
        display: none !important;
    }
    
    /* Skrýt export tlačítka */
    #rigel-parametry-calculator .export-buttons {
        display: none !important;
    }
    
    /* Upravit results card pro tisk */
    #rigel-parametry-calculator .results-card {
        box-shadow: none;
        border: 1px solid #ccc;
        padding: 20px !important;
        margin: 0;
        width: 100%;
        min-height: auto;
    }
    
    /* Container pro tisk */
    #rigel-parametry-calculator .calculator-container {
        grid-template-columns: 1fr !important;
        gap: 0 !important;
        padding: 0 !important;
        max-width: none !important;
        margin: 0;
    }
}