/* Dollar-Cost Averaging Calculator Styles */

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.option-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.option-item label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.option-item input,
.option-item select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: border-color 0.2s ease;
}

.option-item input:focus,
.option-item select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.tool-content-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.input-group,
.output-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-group label,
.output-group label {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-color);
}

.input-group input,
.input-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: border-color 0.2s ease;
}

.input-group input:focus,
.input-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.output-group {
    background: var(--surface-color);
    padding: 1rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.result-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: 0.5rem 0;
}

.result-value.currency {
    font-family: 'Courier New', monospace;
    font-size: 1.75rem;
}

.comparison-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-top: 2rem;
}

.comparison-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

.comparison-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.comparison-card {
    background: var(--background-color);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    text-align: center;
}

.comparison-card h4 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.comparison-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: 'Courier New', monospace;
    margin-bottom: 0.5rem;
}

.comparison-card.dca .comparison-value {
    color: var(--accent-color);
}

.comparison-card.lump-sum .comparison-value {
    color: var(--primary-color);
}

.comparison-label {
    color: var(--text-light);
    font-size: 0.95rem;
    margin: 0;
}

.chart-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-top: 2rem;
}

.chart-section h3 {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    font-size: 1.25rem;
}

.purchase-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.purchase-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.purchase-price {
    min-width: 80px;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.purchase-bar-container {
    flex: 1;
    background: var(--border-color);
    height: 20px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.purchase-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color));
}

.purchase-shares {
    min-width: 100px;
    text-align: right;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.value-chart {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.value-label {
    min-width: 60px;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.value-bar-container {
    flex: 1;
    background: var(--border-color);
    height: 25px;
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.value-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--success-color), var(--primary-color));
}

.value-amount {
    min-width: 100px;
    text-align: right;
    font-weight: 600;
    color: var(--text-color);
    font-size: 0.9rem;
}

.error-msg {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--radius-md);
    color: #c33;
    padding: 1rem;
    margin-bottom: 1.5rem;
    display: none;
}

.error-msg.show {
    display: block;
}

.tool-actions-horizontal {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.6rem 1rem;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--surface-color);
    color: var(--text-color);
    cursor: pointer;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.action-btn.primary {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.action-btn.primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.tool-sidebar {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-section {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
}

.sidebar-section h4 {
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.sidebar-section p {
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--text-light);
    margin-bottom: 0;
}

.sidebar-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-section li {
    font-size: 0.9rem;
    padding: 0.5rem 0;
    color: var(--text-light);
    border-bottom: 1px solid var(--border-color);
}

.sidebar-section li:last-child {
    border-bottom: none;
}

/* Responsive Design */
@media (max-width: 768px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }

    .tool-content-columns {
        grid-template-columns: 1fr;
    }

    .action-btn {
        min-width: 80px;
    }

    .tool-sidebar {
        order: -1;
    }

    .comparison-cards {
        grid-template-columns: 1fr;
    }
}

/* Dark Mode Support */
html.dark-mode .error-msg {
    background: rgba(220, 38, 38, 0.1);
    border-color: rgba(220, 38, 38, 0.3);
    color: #f87171;
}