/* ===================================
   Analytics Page Specific Styles
   =================================== */

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--spacing-lg);
    flex: 1;
}

/* Overview Card */
.overview-card {
    grid-column: span 12;
}

.date-range-select {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.date-range-select:focus {
    outline: none;
    border-color: var(--color-primary);
}

.overview-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.overview-stat {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-input);
    border-radius: var(--radius-lg);
    transition: all var(--transition-fast);
}

.overview-stat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.overview-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
    flex-shrink: 0;
}

.overview-icon.tasks {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(99, 102, 241, 0.1));
    color: var(--color-primary);
}

.overview-icon.completed {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.1));
    color: var(--color-success);
}

.overview-icon.streak {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.1));
    color: var(--color-warning);
}

.overview-icon.focus {
    background: linear-gradient(135deg, rgba(34, 211, 238, 0.2), rgba(34, 211, 238, 0.1));
    color: var(--color-accent);
}

.overview-info {
    display: flex;
    flex-direction: column;
}

.overview-number {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    line-height: 1.2;
}

.overview-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Chart Card */
.chart-card {
    grid-column: span 8;
}

.chart-container {
    padding: var(--spacing-lg) 0;
}

.bar-chart {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    height: 200px;
    gap: var(--spacing-md);
}

.bar-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    flex: 1;
}

.bar {
    width: 100%;
    max-width: 50px;
    height: var(--height, 0%);
    background: linear-gradient(180deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    transition: height var(--transition-slow);
    min-height: 4px;
}

.bar:hover {
    background: linear-gradient(180deg, var(--color-primary-light), var(--color-accent));
}

.bar-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 500;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: var(--radius-sm);
}

.legend-color.completed {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
}

/* Categories Card */
.categories-card {
    grid-column: span 4;
}

.priority-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
}

.donut-chart {
    position: relative;
    width: 160px;
    height: 160px;
}

.donut-chart svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.donut-ring {
    fill: none;
    stroke: var(--bg-input);
    stroke-width: 12;
}

.donut-segment {
    fill: none;
    stroke-width: 12;
    stroke-linecap: round;
    transition: stroke-dasharray var(--transition-slow);
}

.donut-segment.high {
    stroke: var(--color-danger);
}

.donut-segment.medium {
    stroke: var(--color-warning);
}

.donut-segment.low {
    stroke: var(--color-success);
}

.donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.donut-center span:first-child {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.donut-center span:last-child {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.priority-legend {
    width: 100%;
}

.legend-row {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border-color);
}

.legend-row:last-child {
    border-bottom: none;
}

.legend-dot {
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

.legend-dot.high {
    background: var(--color-danger);
}

.legend-dot.medium {
    background: var(--color-warning);
}

.legend-dot.low {
    background: var(--color-success);
}

.legend-text {
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.legend-value {
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* Habits Progress Card */
.habits-progress-card {
    grid-column: span 6;
}

.habits-week-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: var(--spacing-sm);
}

.habits-loading {
    grid-column: span 7;
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

.habit-day {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
}

.habit-day-label {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
}

.habit-day-cell {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
}

.habit-day-cell.completed {
    background: rgba(16, 185, 129, 0.2);
    border-color: var(--color-success);
    color: var(--color-success);
}

.habit-day-cell.partial {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--color-warning);
    color: var(--color-warning);
}

/* Activity Card */
.activity-card {
    grid-column: span 6;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    max-height: 300px;
    overflow-y: auto;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
}

.activity-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    flex-shrink: 0;
}

.activity-icon.task {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
}

.activity-icon.habit {
    background: rgba(99, 102, 241, 0.1);
    color: var(--color-primary);
}

.activity-icon.focus {
    background: rgba(34, 211, 238, 0.1);
    color: var(--color-accent);
}

.activity-info {
    flex: 1;
}

.activity-text {
    font-size: 0.85rem;
    color: var(--text-primary);
}

.activity-time {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.activity-empty {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
}

/* Score Card */
.score-card {
    grid-column: span 12;
}

.score-display {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.score-circle {
    position: relative;
    width: 180px;
    height: 180px;
    flex-shrink: 0;
}

.score-circle svg {
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.score-bg {
    fill: none;
    stroke: var(--bg-input);
    stroke-width: 10;
}

.score-fill {
    fill: none;
    stroke: url(#scoreGradient);
    stroke-width: 10;
    stroke-linecap: round;
    stroke-dasharray: 283;
    stroke-dashoffset: 283;
    transition: stroke-dashoffset var(--transition-slow);
}

.score-value {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.score-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.score-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.score-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.score-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.score-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    border-radius: var(--radius-full);
    transition: width var(--transition-slow);
}

/* Responsive */
@media (max-width: 1200px) {
    .analytics-grid {
        grid-template-columns: repeat(6, 1fr);
    }
    
    .overview-card {
        grid-column: span 6;
    }
    
    .overview-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .chart-card {
        grid-column: span 6;
    }
    
    .categories-card {
        grid-column: span 6;
    }
    
    .habits-progress-card,
    .activity-card {
        grid-column: span 3;
    }
    
    .score-card {
        grid-column: span 6;
    }
}

@media (max-width: 768px) {
    .analytics-grid {
        grid-template-columns: 1fr;
    }
    
    .overview-card,
    .chart-card,
    .categories-card,
    .habits-progress-card,
    .activity-card,
    .score-card {
        grid-column: span 1;
    }
    
    .overview-stats {
        grid-template-columns: 1fr 1fr;
    }
    
    .score-display {
        flex-direction: column;
        text-align: center;
    }
    
    .bar-chart {
        height: 150px;
    }
}