/**
 * DCA Calculator Specific Styles
 * Version: 1.0
 * Last Updated: 2025-01-09
 */

/* Loading Section */
.loading-section {
    text-align: center;
    padding: 2rem;
    background: var(--card-background);
    border-radius: 8px;
    margin: 1rem 0;
}

.loading-spinner i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.loading-spinner p {
    color: var(--text-secondary);
    font-style: italic;
}

/* Results Section */
.results-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.result-item {
    text-align: center;
    padding: 1.5rem;
}

.result-item h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

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

.result-value.positive {
    color: var(--success-color, #28a745);
}

.result-value.negative {
    color: var(--error-color, #dc3545);
}

/* Comparison Section */
.comparison-section {
    margin: 2rem 0;
    padding: 1.5rem;
}

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

.comparison-item {
    text-align: center;
    padding: 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-secondary);
}

.comparison-item h5 {
    margin: 0 0 1rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.comparison-item p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
}

.comparison-result {
    grid-column: 1 / -1;
    text-align: center;
    padding: 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 8px;
    margin-top: 1rem;
}

.comparison-result p {
    margin: 0.25rem 0;
}

/* Performance Metrics */
.performance-metrics {
    padding: 1.5rem;
    margin: 2rem 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
}

.metric-item:last-child {
    border-bottom: none;
}

.metric-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.metric-value {
    font-weight: bold;
    color: var(--text-primary);
}

/* Chart Container */
.chart-container {
    padding: 1.5rem;
    margin: 2rem 0;
    min-height: 400px;
}

.chart-tabs {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    margin-bottom: 1.5rem;
    gap: 0.5rem;
}

.chart-tab {
    padding: 0.75rem 1rem;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.chart-tab:hover {
    color: var(--primary-color);
    background: var(--background-secondary);
}

.chart-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    background: var(--background-secondary);
}

.chart-content {
    min-height: 300px;
}

.chart-view {
    animation: fadeIn 0.3s ease-in;
}

.chart-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.chart-header h5 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-color);
    font-size: 1.1rem;
}

.chart-header p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Simple Bar Chart Styles */
.simple-chart {
    display: flex;
    align-items: end;
    justify-content: space-between;
    height: 200px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-secondary);
    margin: 1rem 0;
}

.chart-bar {
    flex: 1;
    margin: 0 2px;
    background: var(--primary-color);
    border-radius: 2px 2px 0 0;
    min-height: 10px;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
}

.chart-bar:hover {
    opacity: 0.8;
    transform: translateY(-2px);
}

.chart-bar.positive {
    background: linear-gradient(to top, #28a745, #20c997);
}

.chart-bar.negative {
    background: linear-gradient(to top, #dc3545, #fd7e14);
}

.chart-bar.neutral {
    background: linear-gradient(to top, #6c757d, #adb5bd);
}

/* Chart Data Tables */
.chart-data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
    font-size: 0.9rem;
}

.chart-data-table th,
.chart-data-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.chart-data-table th {
    background: var(--background-secondary);
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
}

.chart-data-table tbody tr:hover {
    background: var(--background-secondary);
}

/* Performance comparison bars */
.performance-bar {
    height: 30px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    margin: 1rem 0;
    overflow: hidden;
    background: var(--border-color);
}

.performance-segment {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 0.8rem;
    transition: width 0.8s ease;
}

.dca-segment {
    background: var(--primary-color);
}

.lump-sum-segment {
    background: #17a2b8;
}

/* Purchase timeline */
.purchase-timeline {
    position: relative;
    padding: 1rem 0;
}

.timeline-item {
    display: flex;
    align-items: center;
    margin: 0.5rem 0;
    padding: 0.5rem;
    border-radius: 8px;
    background: var(--background-secondary);
}

.timeline-date {
    min-width: 100px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.timeline-price {
    min-width: 80px;
    font-weight: bold;
    color: var(--text-primary);
}

.timeline-amount {
    min-width: 80px;
    color: var(--success-color);
}

.timeline-tokens {
    flex: 1;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: right;
}

/* Responsive chart adjustments */
@media (max-width: 768px) {
    .chart-tabs {
        flex-direction: column;
    }
    
    .chart-tab {
        text-align: center;
        border-bottom: 1px solid var(--border-color);
        border-radius: 4px 4px 0 0;
    }
    
    .chart-tab.active {
        border: 1px solid var(--primary-color);
        border-bottom: none;
    }
    
    .simple-chart {
        height: 150px;
        padding: 0.5rem;
    }
    
    .timeline-item {
        flex-wrap: wrap;
        gap: 0.5rem;
    }
    
    .timeline-date,
    .timeline-price,
    .timeline-amount {
        min-width: auto;
        flex: 1;
    }
}

@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* Form Enhancements */
.fee-input {
    margin-left: 1.5rem;
    transition: all 0.3s ease;
}

fieldset {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    margin: 1rem 0;
}

fieldset legend {
    font-weight: bold;
    color: var(--primary-color);
    padding: 0 0.5rem;
}

/* Error Messages */
.error-messages {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
    color: var(--error-color, #d63384);
}

.error-messages ul {
    margin: 0;
    padding-left: 1.5rem;
}

/* Success Messages */
.success-message {
    background: #efe;
    border: 1px solid #cfc;
    border-radius: 4px;
    padding: 1rem;
    margin: 1rem 0;
    color: var(--success-color, #28a745);
}

/* Responsive Design */
@media (max-width: 768px) {
    .results-summary-grid {
        grid-template-columns: 1fr;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .comparison-item {
        padding: 0.75rem;
    }
    
    .result-value {
        font-size: 1.25rem;
    }
    
    .metrics-grid {
        font-size: 0.9rem;
    }
    
    .metric-item {
        flex-direction: column;
        text-align: center;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .result-item {
        padding: 1rem;
    }
    
    .performance-metrics,
    .comparison-section,
    .chart-container {
        padding: 1rem;
    }
    
    .loading-section {
        padding: 1.5rem;
    }
    
    .loading-spinner i {
        font-size: 1.5rem;
    }
}

/* Dark Mode Specific Adjustments */
[data-theme="dark"] .comparison-item {
    background: var(--card-background);
    border-color: var(--border-color);
}

[data-theme="dark"] .chart-placeholder {
    border-color: var(--border-color);
}

[data-theme="dark"] .metric-item {
    border-bottom-color: var(--border-color);
}

/* Animation for result updates */
@keyframes resultUpdate {
    0% { opacity: 0.5; transform: scale(0.98); }
    100% { opacity: 1; transform: scale(1); }
}

.results-section {
    animation: resultUpdate 0.3s ease-out;
}

/* Highlight positive/negative performance */
.positive-performance {
    background: rgba(40, 167, 69, 0.1);
    border-left: 4px solid var(--success-color, #28a745);
}

.negative-performance {
    background: rgba(220, 53, 69, 0.1);
    border-left: 4px solid var(--error-color, #dc3545);
}

/* Form group with icon */
.form-group-with-icon {
    position: relative;
}

.form-group-with-icon .fas {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
    pointer-events: none;
}

.form-group-with-icon input,
.form-group-with-icon select {
    padding-left: 2.5rem;
}

/* Tooltip styles for form help */
.tooltip {
    position: relative;
    cursor: help;
    border-bottom: 1px dotted var(--text-secondary);
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: var(--background-primary);
    padding: 0.5rem;
    border-radius: 4px;
    white-space: nowrap;
    font-size: 0.8rem;
    z-index: 1000;
    margin-bottom: 0.25rem;
}

.tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--text-primary);
}

/* Progress indicators */
.progress-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 1rem 0;
    padding: 0.5rem;
    background: var(--background-secondary);
    border-radius: 8px;
    font-size: 0.9rem;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.progress-step.active {
    background: var(--primary-color);
    color: white;
}

.progress-step.completed {
    background: var(--success-color, #28a745);
    color: white;
}