/* assets/css/solar_calculator.css */
/* Professional engineering layout engineered for Hostinger platforms */
.solar-calc-container {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #ffffff;
    color: #2d3748;
    max-width: 1100px;
    margin: 20px auto;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    direction: ltr;
    text-align: left;
}

.solar-calc-header {
    text-align: center;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 20px;
    margin-bottom: 25px;
}

.solar-calc-header h2 {
    color: #1a365d;
    margin: 0 0 10px 0;
    font-size: 26px;
}

.solar-calc-header p {
    color: #718096;
    margin: 0;
    font-size: 14px;
}

/* Responsive Dual Column Layout */
.solar-calc-main-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

@media (min-width: 900px) {
    .solar-calc-main-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.solar-input-column {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.solar-calc-card {
    background-color: #f7fafc;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
}

.solar-calc-card h3 {
    color: #2b6cb0;
    margin: 0 0 15px 0;
    font-size: 16px;
    border-bottom: 1px solid #edf2f7;
    padding-bottom: 8px;
}

.solar-form-group {
    margin-bottom: 12px;
}

.solar-form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #4a5568;
    margin-bottom: 5px;
}

.solar-form-group input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #cbd5e0;
    border-radius: 6px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s;
}

.solar-form-group input:focus {
    outline: none;
    border-color: #3182ce;
}

.solar-form-group input[readonly] {
    background-color: #edf2f7;
    color: #4a5568;
    font-weight: bold;
    cursor: not-allowed;
    border-color: #cbd5e0;
}

/* Control Action Buttons */
.solar-action-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 5px;
}

.solar-btn {
    flex: 1;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.solar-btn:active {
    transform: scale(0.98);
}

.btn-calculate {
    background-color: #3182ce;
    color: #ffffff;
    box-shadow: 0 4px 6px rgba(49, 130, 206, 0.2);
}

.btn-calculate:hover {
    background-color: #2b6cb0;
}

.btn-reset {
    background-color: #e2e8f0;
    color: #4a5568;
}

.btn-reset:hover {
    background-color: #cbd5e0;
}

/* Alert Display Banner */
.solar-calc-alert {
    display: none;
    background-color: #fff5f5;
    border-left: 4px solid #e53e3e;
    color: #c53030;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 13.5px;
    line-height: 1.6;
}

/* Visual Outputs Columns */
.solar-visual-column {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.solar-results-section {
    background-color: #ebf8ff;
    border: 1px solid #bee3f8;
    border-radius: 12px;
    padding: 20px;
}

.solar-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
}

.solar-result-box {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 12px;
    text-align: center;
}

.solar-result-box span {
    display: block;
    font-size: 11px;
    color: #718096;
    margin-bottom: 4px;
}

.solar-result-box strong {
    display: block;
    font-size: 18px;
    color: #2d3748;
}

.solar-result-box strong.success { color: #38a169; }
.solar-result-box strong.danger { color: #e53e3e; }
.solar-result-box strong.waiting { color: #a0aec0; font-size: 13px; }

/* Safety Progress Gauges */
.visual-gauges-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.visual-gauges-card h4 {
    margin: 0 0 15px 0;
    color: #1a365d;
    font-size: 15px;
}

.gauge-group {
    margin-bottom: 18px;
}

.gauge-header {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 6px;
}

.gauge-bar-track {
    background-color: #edf2f7;
    height: 16px;
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.gauge-bar-fill {
    height: 100%;
    width: 0%;
    background-color: #cbd5e0;
    transition: width 0.4s ease, background-color 0.4s ease;
}

/* Safety Recommendations Card */
.safety-recommendations-card {
    background-color: #fffaf0;
    border: 1px solid #feebc8;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.safety-recommendations-card h4 {
    margin: 0 0 12px 0;
    color: #dd6b20;
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Interactive Dynamic String Map */
.array-simulator-card {
    background-color: #ffffff;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.array-simulator-card h4 {
    margin: 0 0 10px 0;
    color: #1a365d;
    font-size: 15px;
}

.array-simulator-card p {
    font-size: 12px;
    color: #718096;
    margin: 0 0 15px 0;
}

.array-grid-container {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 15px 5px;
    background-color: #f8fafc;
    border-radius: 8px;
    border: 1px dashed #cbd5e0;
    min-height: 150px;
}

.array-string-col {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background-color: #f1f5f9;
    padding: 8px;
    border-radius: 6px;
    align-items: center;
    border: 1px solid #e2e8f0;
    min-width: 55px;
}

.array-string-label {
    font-size: 10px;
    font-weight: bold;
    color: #718096;
    margin-bottom: 4px;
    white-space: nowrap;
}

.panel-block {
    width: 38px;
    height: 24px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.panel-block.empty {
    background-color: #e2e8f0;
    border: 1px dashed #cbd5e0;
    color: transparent;
}

.panel-block.active {
    background-color: #3182ce;
    border: 1px solid #2b6cb0;
    color: #ffffff;
    box-shadow: 0 2px 4px rgba(49, 130, 206, 0.25);
}

.panel-block.active:hover {
    transform: scale(1.1);
    background-color: #2b6cb0;
}