/* Reset a základní nastavení */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --border-color: #e2e8f0;
    --background-color: #f8fafc;
    --text-color: #1e293b;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--background-color);
    padding: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Notice */
.notice {
    text-align: center;
    color: var(--error-color);
    background-color: #fee2e2;
    padding: 0.75rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
}

/* Config Grid */
.config-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.config-item {
    background: white;
    padding: 1.25rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Form Elements */
label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-select, .form-input {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    background-color: white;
    color: var(--text-color);
    font-size: 0.875rem;
}

.form-select:disabled {
    background-color: #f3f4f6;
    cursor: not-allowed;
}

/* Parameters Grid */
.parameters-grid {
    display: grid;
    grid-template-columns: 3fr 1fr 1fr;  /* Měnič zabírá 3 díly, panel a baterie po 1 dílu */
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.parameters-grid .full-width {
    grid-column: 1 / -1; /* Panel přes celou šířku */
}

.parameter-box {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    width: 100%;
}

.parameter-box h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

.parameter-content {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.device-image-container {
    margin-top: auto;
    text-align: center;
}

.device-image-container img {
    max-width: 100%;
    height: auto;
    margin-top: 1rem;
}

/* Responzivní design */
@media (max-width: 1200px) {
    .parameters-grid {
        grid-template-columns: 2fr 1fr 1fr;  /* Mírně zmenšíme měnič */
    }
}

@media (max-width: 1024px) {
    .parameters-grid {
        grid-template-columns: 1fr; /* Na menších obrazovkách pod sebe */
    }

    .parameters-grid .full-width {
        grid-column: auto;
    }
}

.parameter-box {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.parameter-box h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-color);
}

/* Parameter Content */
.parameter-content {
    display: grid;
    gap: 0.75rem;
}

.parameter-row {
    display: grid;
    grid-template-columns: 1fr 100px; /* Pevná šířka pro hodnoty */
    align-items: baseline;
    gap: 1rem;
}

.parameter-row label {
    color: #6b7280;
    font-size: 0.875rem;
    margin-bottom: 0;
}

.parameter-row span {
    font-weight: 500;
    text-align: right; /* Zarovnání hodnot vpravo */
    min-width: 100px; /* Minimální šířka pro hodnoty */
}

/* Pro box měniče upravíme layout */
.inverter-box .parameter-content {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

/* Battery Info */
.battery-info {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

.battery-params-grid {
    display: none; /* Skryjeme původní parametry */
}

.battery-param {
    display: flex;
    flex-direction: column;
}

.battery-param label {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 0.25rem;
}

.battery-param span {
    font-size: 1rem;
    font-weight: 500;
}

/* Battery Calculator */
.battery-calculator {
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background-color: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.calculator-input {
    margin-bottom: 1.5rem;
}

.input-group {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.input-group input {
    width: 120px;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 1rem;
}

.input-group .unit {
    color: var(--text-color);
    font-size: 0.875rem;
}

.calculator-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    padding: 1rem;
    background-color: white;
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.result-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.result-item label {
    font-size: 0.875rem;
    color: #6b7280;
    margin-bottom: 0;
}

.result-item span {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-color);
}

/* MPPT Section */
.mppt-section {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.mppt-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

/* MPPT Table */
.mppt-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 1rem;
}

.mppt-table th,
.mppt-table td {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid #e5e7eb;
}

.mppt-table th {
    background-color: #f8fafc;
    font-weight: 600;
}

.mppt-table input[type="number"] {
    width: 60px;
    padding: 0.375rem;
    border: 1px solid #cbd5e1;
    border-radius: 0.25rem;
    text-align: right;
}

/* MPPT Table Grouping */
.mppt-group-1 tr:not(.mppt-sum) {
    background-color: rgba(147, 197, 253, 0.1);
}

.mppt-group-2 tr:not(.mppt-sum) {
    background-color: rgba(167, 243, 208, 0.1);
}

/* Sum Rows */
.mppt-sum {
    background-color: #f8fafc;
    font-weight: 500;
}

.mppt-sum td {
    border-top: 2px solid #e5e7eb;
    border-bottom: 2px solid #e5e7eb;
}

.mppt-total {
    background-color: #f1f5f9;
    font-weight: 600;
}

.mppt-total td {
    border-top: 2px solid #94a3b8;
}

/* Warning Messages */
.warning-message {
    display: flex;
    align-items: start;
    gap: 0.5rem;
    background-color: #fff7ed;
    border: 1px solid #fdba74;
    color: #c2410c;
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-top: 0.75rem;
}

.error-message {
    background-color: #fee2e2;
    border: 1px solid #fecaca;
    color: #dc2626;
    padding: 0.75rem;
    border-radius: 0.375rem;
    margin-bottom: 1rem;
    text-align: center;
}

.battery-hp-details {
    display: none;
}

.battery-hp-details.show {
    display: flex;
}

/* Battery Visualization */
.battery-visualization {
    margin-top: 0; /* Změna z 1.5rem na 0 */
    padding: 1rem;
    background: #f8fafc;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
}

.battery-stacks-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: flex-start;
    align-items: flex-start;
    padding: 1rem;
}

.battery-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 1.5rem;
    width: 100%;
    justify-content: flex-start;
    margin-bottom: 1.5rem;
}

.battery-row:last-child {
    margin-bottom: 0;
}

.battery-stack {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 0 0 auto;
}

.battery-stack img {
    width: 100px;
    height: auto;
    display: block;
}

.stack-label {
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: #6b7280;
}

.inverter-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 10px 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .config-grid {
        grid-template-columns: 1fr;
    }

    .parameters-grid {
        grid-template-columns: 1fr;  /* Pod sebe na malých obrazovkách */
    }
    
    .parameter-box.inverter-box {
        grid-template-columns: 1fr;  /* Parametry a obrázek pod sebe */
    }

    .battery-params-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .mppt-table {
        display: block;
        overflow-x: auto;
    }
    
    .parameter-row {
        flex-direction: column;
        gap: 0.25rem;
    }

    .calculator-results {
        grid-template-columns: 1fr;
    }

    .input-group {
        flex-wrap: wrap;
    }

    .input-group input {
        width: 100%;
    }
}

@media (max-width: 640px) {
    .calculator-results {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .battery-params-grid {
        grid-template-columns: 1fr;
    }

    .calculator-results {
        padding: 0.75rem;
    }
}

@media (max-width: 1200px) {
    .battery-row {
        flex-wrap: wrap;
        justify-content: center;
    }
}

.parameter-box.inverter-box {
    display: grid;
    grid-template-columns: 1fr 1fr;  /* Rozdělíme na dvě části */
    gap: 1.5rem;
}

.inverter-image-container {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 1rem;
}

.inverter-image {
    max-width: 100%;
    height: auto;
    object-fit: contain;
}