/**
 * Hydrogen Impact Calculator Styles
 */

.calculator-widget {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 9999;
    font-family: var(--font-body);
}

.calculator-toggle {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #7c4dff, #00d4ff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(124, 77, 255, 0.4);
    transition: all 0.3s ease;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
}

.calculator-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(124, 77, 255, 0.5);
}

.calculator-container {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 420px;
    max-width: calc(100vw - 60px);
    max-height: 70vh;
    overflow-y: auto;
    background: var(--bg-darker);
    border: 1px solid var(--border-subtle);
    border-radius: 20px;
    padding: 25px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.calculator-container.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.calculator-close {
    position: absolute;
    top: 15px;
    right: 15px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s;
}

.calculator-close:hover {
    color: var(--text-primary);
}

.calculator-header {
    text-align: center;
    margin-bottom: 25px;
}

.calculator-header h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.calculator-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group select,
.form-group input {
    padding: 14px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
}

.form-group select:focus,
.form-group input:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group select option {
    background: var(--bg-dark);
    color: var(--text-primary);
}

.input-with-unit {
    display: flex;
    gap: 10px;
}

.input-with-unit input {
    flex: 1;
}

.input-with-unit select {
    width: 100px;
}

.calculator-btn {
    padding: 16px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    border-radius: 12px;
    color: var(--bg-dark);
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.calculator-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 212, 170, 0.3);
}

.calculator-results {
    margin-top: 25px;
    padding: 25px;
    background: linear-gradient(135deg, rgba(0, 212, 170, 0.1), rgba(124, 77, 255, 0.1));
    border-radius: 16px;
    border: 1px solid var(--border-subtle);
    display: none;
}

.calculator-results.active {
    display: block;
    animation: results-in 0.5s ease;
}

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

.result-item {
    text-align: center;
    margin-bottom: 20px;
}

.result-item:last-child {
    margin-bottom: 0;
}

.result-value {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.result-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.result-equivalent {
    display: flex;
    justify-content: space-around;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border-subtle);
}

.equivalent-item {
    text-align: center;
}

.equivalent-icon {
    font-size: 2rem;
    margin-bottom: 5px;
}

.equivalent-value {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--primary);
}

.equivalent-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* CO2 Counter Widget */
.co2-counter {
    position: fixed;
    top: 100px;
    right: 30px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    min-width: 180px;
    z-index: 100;
}

.co2-counter-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.co2-counter-unit {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.co2-counter-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Responsive */
@media (max-width: 768px) {
    .calculator-widget {
        bottom: 20px;
        left: 20px;
    }
    
    .calculator-container {
        width: calc(100vw - 40px);
        left: -10px;
        max-height: 60vh;
    }
    
    .co2-counter {
        display: none;
    }
}