/* Component Styles - Cards, tabs, charts, and interactive elements */

/* Site header */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 2rem;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    background: var(--bg-light);
}

body.dark-mode .site-header {
    border-bottom-color: var(--border-dark);
    background: var(--bg-dark);
}

.author-link {
    text-decoration: none;
    color: inherit;
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.author-info:hover {
    transform: translateY(-2px);
}

.author-icon {
    width: 1.5rem;
    height: 1.5rem;
    display: block;
}

.author-name {
    font-family: Georgia, 'Times New Roman', serif;
    font-size: 1.1rem;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text-light);
}

body.dark-mode .author-name {
    color: var(--text-dark);
}

.time-period-selector {
    display: flex;
    align-items: center;
}

.period-select {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    backdrop-filter: blur(10px);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 4 5\"><path fill=\"%23666\" d=\"M2 0L0 2h4zm0 5L0 3h4z\"/></svg>');
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-size: 12px;
    min-width: 120px;
}

body.dark-mode .period-select {
    background: var(--card-dark);
    border-color: var(--border-dark);
    color: var(--text-dark);
}

.period-select:hover {
    box-shadow: 0 2px 8px var(--shadow-light);
}

body.dark-mode .period-select:hover {
    box-shadow: 0 2px 8px var(--shadow-dark);
}

/* Theme toggle */
.theme-toggle {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    line-height: 1;
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

body.dark-mode .theme-toggle {
    background: var(--card-dark);
    border-color: var(--border-dark);
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: var(--bg-light);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

body.dark-mode .theme-toggle:hover {
    background: var(--bg-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* Time period tabs */
.time-period-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.tab {
    padding: 0.75rem 2rem;
    background: var(--card-light);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-light);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
    white-space: nowrap;
}

body.dark-mode .tab {
    background: var(--card-dark);
    border-color: var(--border-dark);
}

.tab.active {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
}

.tab:hover:not(.active) {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px var(--shadow-light);
}

body.dark-mode .tab:hover:not(.active) {
    box-shadow: 0 4px 8px var(--shadow-dark);
}

/* Current course card */
.current-course-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    color: var(--text-light);
    margin: 0 2rem 3rem;
}

body.dark-mode .current-course-card {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    color: var(--text-dark);
}

.current-course-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body.dark-mode .current-course-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.course-name {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    color: var(--accent-burgundy);
    font-family: Georgia, 'Times New Roman', serif;
}

body.dark-mode .course-name {
    color: var(--accent-burgundy-dark);
}

.course-label {
    font-size: 0.85rem;
    color: var(--text-secondary-light);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.dark-mode .course-label {
    color: var(--text-secondary-dark);
}

/* Grid layouts */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

.activity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
    padding: 0 2rem;
}

/* Stat cards */
.stat-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    color: var(--text-light);
}

body.dark-mode .stat-card {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    color: var(--text-dark);
}

.stat-header {
    display: flex;
    flex-direction: column;
    gap: 0rem;
}

.stat-chart {
    height: 100px !important;
    max-height: 100px;
    width: 100% !important;
    display: block;
    margin: -5px -10px -10px -10px;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body.dark-mode .stat-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary-light);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 0rem;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.dark-mode .stat-label {
    color: var(--text-secondary-dark);
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--accent-burgundy);
    font-family: Georgia, 'Times New Roman', serif;
}

body.dark-mode .stat-value {
    color: var(--accent-burgundy-dark);
}

.stat-breakdown {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: var(--text-secondary-light);
}

body.dark-mode .stat-breakdown {
    color: var(--text-secondary-dark);
}

.breakdown-item {
    display: flex;
    justify-content: space-between;
    margin: 0.5rem 0;
    padding: 0.25rem 0;
}

/* Activity cards */
.activity-card {
    background: var(--card-light);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    color: var(--text-light);
}

body.dark-mode .activity-card {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.activity-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

body.dark-mode .activity-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.6);
}

.activity-count {
    font-size: 2rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
    color: var(--accent-burgundy);
    font-family: Georgia, 'Times New Roman', serif;
}

body.dark-mode .activity-count {
    color: var(--accent-burgundy-dark);
}

.activity-label {
    font-size: 0.85rem;
    color: var(--text-secondary-light);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 500;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body.dark-mode .activity-label {
    color: var(--text-secondary-dark);
}

/* Daily chart */
.daily-chart {
    background: var(--card-light);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-light);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 2px 16px var(--shadow-light);
    margin-top: 2rem;
}

.daily-chart canvas {
    height: 300px !important;
}

body.dark-mode .daily-chart {
    background: var(--card-dark);
    border-color: var(--border-dark);
    box-shadow: 0 4px 6px var(--shadow-dark);
}


/* Responsive adjustments */
@media (max-width: 768px) {
    .site-header {
        padding: 0.6rem 1rem;
    }

    .author-icon {
        width: 1.25rem;
        height: 1.25rem;
    }

    .author-name {
        font-size: 0.95rem;
    }

    .theme-toggle {
        font-size: 1rem;
        width: 2rem;
        height: 2rem;
    }

    .current-course-card {
        margin: 0 0 2rem;
        padding: 1.5rem 1rem;
    }

    .course-name {
        font-size: 1.2rem;
        line-height: 1.3;
        word-break: break-word;
    }
    
    .time-period-tabs {
        gap: 0.5rem;
    }
    
    .tab {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 0;
    }

    .activity-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        padding: 0;
    }
    
    .stat-card, .activity-card {
        padding: 1.5rem;
    }
    
    .stat-value {
        font-size: 2rem;
    }
    
    .activity-count {
        font-size: 1.5rem;
    }
    
    .chart-bars {
        height: 150px;
        gap: 0.25rem;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .activity-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .activity-card {
        padding: 1rem;
    }
    
    .activity-count {
        font-size: 1.25rem;
    }
    
    .activity-label {
        font-size: 0.8rem;
    }
}