/* Progress Dashboard Styles */

/* Progress Panel Overlay */
.progress-panel {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    animation: fadeIn 0.3s ease-out;
}

.progress-panel.hidden {
    display: none;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Progress Container */
.progress-container {
    background: var(--background);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 1000px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Progress Header */
.progress-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.progress-close-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.progress-close-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.progress-close-btn svg {
    stroke: white;
}

/* Progress Content */
.progress-content {
    padding: var(--spacing-xl);
}

/* Loading State */
.progress-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-md);
    gap: var(--spacing-md);
}

.progress-loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(200, 90, 58, 0.2);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Chart Card */
.chart-card {
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-left: 4px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    animation: chartSlideUp 0.5s ease-out backwards;
}

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

.chart-card:nth-child(2) { animation-delay: 0.1s; }
.chart-card:nth-child(3) { animation-delay: 0.2s; }
.chart-card:nth-child(4) { animation-delay: 0.3s; }

.chart-card-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.chart-card-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* Two Column Layout */
.chart-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 250px;
}

/* CSS-based Line Chart */
.line-chart {
    position: relative;
    height: 100%;
    display: flex;
    align-items: flex-end;
    gap: 4px;
    padding: var(--spacing-md) 0;
}

.line-chart-bar {
    flex: 1;
    background: linear-gradient(to top, var(--primary-color), var(--primary-light));
    border-radius: 4px 4px 0 0;
    position: relative;
    transition: all 0.3s ease;
    animation: barGrow 0.6s ease-out backwards;
}

@keyframes barGrow {
    from {
        transform: scaleY(0);
        opacity: 0;
    }
    to {
        transform: scaleY(1);
        opacity: 1;
    }
}

.line-chart-bar:hover {
    background: var(--primary-hover);
    transform: translateY(-4px);
}

.line-chart-bar::after {
    content: attr(data-value);
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-color);
    opacity: 0;
    transition: opacity 0.2s;
}

.line-chart-bar:hover::after {
    opacity: 1;
}

/* Mastery Breakdown */
.mastery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.mastery-item {
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-md);
    text-align: center;
    transition: all 0.2s ease;
}

.mastery-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mastery-item.new {
    border-color: #FF5722;
    background: rgba(255, 87, 34, 0.05);
}

.mastery-item.learning {
    border-color: #FF9800;
    background: rgba(255, 152, 0, 0.05);
}

.mastery-item.mastered {
    border-color: #4CAF50;
    background: rgba(76, 175, 80, 0.05);
}

.mastery-item.struggling {
    border-color: #F44336;
    background: rgba(244, 67, 54, 0.05);
}

.mastery-count {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.mastery-item.new .mastery-count { color: #FF5722; }
.mastery-item.learning .mastery-count { color: #FF9800; }
.mastery-item.mastered .mastery-count { color: #4CAF50; }
.mastery-item.struggling .mastery-count { color: #F44336; }

.mastery-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: capitalize;
}

/* Weekly Stats Grid */
.stats-grid-weekly {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.stat-box {
    background: var(--background);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.2s ease;
}

.stat-box:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-box-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-box-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Achievement Cards */
.achievement-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.achievement-card {
    background: linear-gradient(135deg, rgba(200, 90, 58, 0.05) 0%, rgba(232, 114, 90, 0.05) 100%);
    border: 2px solid rgba(200, 90, 58, 0.2);
    border-radius: var(--border-radius);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.achievement-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.achievement-card:hover::before {
    transform: scaleX(1);
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.achievement-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.achievement-value {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.achievement-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Empty State */
.progress-empty {
    text-align: center;
    padding: var(--spacing-xl);
}

.progress-empty-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.progress-empty-title {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.progress-empty-message {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.progress-empty-cta {
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.progress-empty-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Progress Button in Header */
.progress-button {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: var(--border-radius);
    padding: 10px 16px;
    font-family: 'Poppins', sans-serif;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
}

.progress-button:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .progress-container {
        max-height: 100vh;
        border-radius: 0;
    }

    .progress-header {
        border-radius: 0;
    }

    .progress-content {
        padding: var(--spacing-md);
    }

    .chart-row {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .chart-container {
        height: 200px;
    }

    .stats-grid-weekly {
        grid-template-columns: repeat(2, 1fr);
    }

    .mastery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .achievement-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .chart-card {
        padding: var(--spacing-md);
    }

    .chart-card-title {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .progress-title {
        font-size: 1.4rem;
    }

    .stats-grid-weekly,
    .achievement-grid {
        grid-template-columns: 1fr;
    }

    .stat-box-value,
    .achievement-value {
        font-size: 2rem;
    }

    .mastery-count {
        font-size: 2rem;
    }
}