/* Main Styles for 3D Print Calculator */
:root {
    --primary-color: #7e57c2;
    --secondary-color: #5e35b1;
    --dark-bg: #121212;
    --dark-surface: #1e1e1e;
    --dark-card: #252525;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --success-color: #4caf50;
    --info-color: #2196f3;
    --warning-color: #ff9800;
}

body {
    font-family: 'Roboto', sans-serif;
    background-color: var(--dark-bg);
    color: var(--text-primary);
    transition: background-color 0.3s ease;
}

.calculator-container {
    max-width: 800px;
    margin: 50px auto;
    background-color: var(--dark-card);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
}

.calculator-container:hover {
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
    transform: translateY(-5px);
}

.logo-container {
    text-align: center;
    margin-bottom: 20px;
}

.logo-container img {
    max-width: 100%;
    height: auto;
    filter: invert(1) brightness(1.1) drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.logo-container a {
    color: var(--text-secondary);
    text-decoration: none;
    margin: 0 10px;
    transition: color 0.3s ease;
}

.logo-container a:hover {
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 25px;
}

.form-control {
    background-color: var(--dark-surface);
    border: 1px solid #333;
    color: var(--text-primary);
    border-radius: 5px;
    padding: 12px;
    transition: all 0.3s ease;
}

.form-control:focus {
    background-color: rgba(126, 87, 194, 0.25);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(126, 87, 194, 0.35);
    color: #e0e0e0; /* Svetlejší text pre lepšiu čitateľnosť */
}

label {
    color: var(--text-secondary);
    margin-bottom: 8px;
    display: block;
    font-weight: 500;
}

.btn-calculate {
    background: linear-gradient(135deg, #7e57c2 0%, #5e35b1 100%);
    border: none;
    color: white;
    padding: 12px 20px;
    border-radius: 5px;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    width: 100%;
    margin-top: 10px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

.btn-calculate:hover {
    background: linear-gradient(135deg, #9575cd 0%, #7e57c2 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.btn-calculate:active {
    transform: translateY(0);
}

.results-container {
    margin-top: 30px;
    padding: 20px;
    background-color: rgba(126, 87, 194, 0.1);
    border-radius: 8px;
    transition: all 0.5s ease;
}

.result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.result-item:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.result-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.result-value {
    font-size: 24px;
    font-weight: bold;
    color: var(--text-primary);
}

.material-cost .result-value {
    color: var(--info-color);
}

.print-cost .result-value {
    color: var(--warning-color);
}

.electricity-cost .result-value {
    color: #9c27b0; /* Fialová farba pre cenu elektriny */
}

.total-cost .result-value {
    color: var(--success-color);
}

/* Animation classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

.pulse {
    animation: pulse 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .calculator-container {
        margin: 20px;
        padding: 20px;
    }
}