/**
 * Student Progress Module - Premium CSS
 * Sistema de visualização de progresso com heatmap e indicadores de grau
 */

/* Container Principal */
.module-isolated-progress-container {
    padding: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Seções */
.degree-progress-section,
.category-stats-section,
.performance-trend-section,
.heatmap-section {
    margin-bottom: 3rem;
}

.degree-progress-section h2,
.category-stats-section h2,
.performance-trend-section h2,
.heatmap-section h2 {
    font-size: 1.5rem;
    color: var(--primary-color, #667eea);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========================================
   DEGREE INDICATORS (Circular Progress)
======================================== */

.degree-indicators {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.degree-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.circular-progress {
    position: relative;
    width: 120px;
    height: 120px;
}

.circular-progress svg {
    transform: rotate(-90deg);
}

.circular-progress .bg-circle {
    fill: none;
    stroke: #E5E7EB;
    stroke-width: 8;
}

.circular-progress .progress-circle {
    fill: none;
    stroke-width: 8;
    stroke-linecap: round;
    transition: stroke-dashoffset 1s ease-in-out;
}

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

.degree-number {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary-color, #667eea);
}

.degree-percentage {
    font-size: 1rem;
    color: #6B7280;
    margin-top: -5px;
}

.degree-label {
    font-size: 0.9rem;
    color: #374151;
    text-align: center;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.degree-indicator.completed .degree-label i {
    color: #10B981;
    font-size: 1.2rem;
}

.degree-indicator.current {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

/* ========================================
   CATEGORY STATS GRID
======================================== */

.category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 16px rgba(102, 126, 234, 0.2);
    border-color: var(--primary-color, #667eea);
}

.category-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.category-icon {
    font-size: 2rem;
}

.category-header h3 {
    font-size: 1.1rem;
    color: var(--primary-color, #667eea);
    margin: 0;
}

.category-stats {
    margin-bottom: 1rem;
}

.stat-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid rgba(102, 126, 234, 0.1);
}

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

.stat-label {
    font-size: 0.9rem;
    color: #6B7280;
}

.stat-value {
    font-size: 0.9rem;
    font-weight: 600;
    color: #374151;
}

.category-progress {
    margin-top: 1rem;
}

.progress-bar {
    background: #E5E7EB;
    border-radius: 999px;
    height: 24px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    background: var(--gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    height: 100%;
    border-radius: 999px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.8rem;
    font-weight: 600;
    transition: width 1s ease-in-out;
}

/* ========================================
   PERFORMANCE TREND
======================================== */

.trend-card {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    border-radius: 12px;
    padding: 2rem;
}

.trend-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.trend-icon {
    font-size: 4rem;
}

.trend-info {
    flex: 1;
}

.trend-message {
    font-size: 1.2rem;
    font-weight: 600;
    color: #374151;
    margin-bottom: 1rem;
}

.trend-stats {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-item .stat-label {
    font-size: 0.85rem;
    color: #6B7280;
}

.stat-item .stat-value {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--primary-color, #667eea);
}

/* ========================================
   HEATMAP
======================================== */

.heatmap-container {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    overflow-x: auto;
}

.heatmap-grid {
    display: inline-grid;
    gap: 2px;
}

.heatmap-header {
    display: contents;
}

.heatmap-corner {
    width: 150px;
    height: 30px;
}

.heatmap-date {
    width: 40px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    color: #6B7280;
    font-weight: 600;
}

.heatmap-row {
    display: contents;
}

.heatmap-activity-label {
    width: 150px;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    font-size: 0.8rem;
    color: #374151;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.heatmap-cell {
    width: 40px;
    height: 40px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
}

.heatmap-cell:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    border-color: var(--primary-color, #667eea);
    z-index: 10;
}

/* Heat color scale (GitHub-style) */
.heat-0 {
    background: #EBEDF0;
    color: #6B7280;
}

.heat-1 {
    background: #C6E48B;
    color: #374151;
}

.heat-2 {
    background: #7BC96F;
    color: white;
}

.heat-3 {
    background: #239A3B;
    color: white;
}

.heat-4 {
    background: #196127;
    color: white;
}

.heat-5 {
    background: #0D3F1A;
    color: white;
}

/* Heatmap Legend */
.heatmap-legend {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    font-size: 0.85rem;
    color: #6B7280;
}

.legend-cells {
    display: flex;
    gap: 2px;
}

.legend-cell {
    width: 20px;
    height: 20px;
    border-radius: 2px;
}

/* ========================================
   LOADING / EMPTY / ERROR STATES
======================================== */

.loading-state,
.empty-state,
.error-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 2rem;
    text-align: center;
    color: #6B7280;
}

.loading-state .spinner {
    width: 48px;
    height: 48px;
    border: 4px solid #E5E7EB;
    border-top-color: var(--primary-color, #667eea);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 1rem;
}

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

.empty-state i,
.error-state i {
    color: #D1D5DB;
    margin-bottom: 1rem;
}

.empty-state p,
.error-state p {
    font-size: 1rem;
    margin: 0.5rem 0;
}

.empty-state .hint {
    font-size: 0.9rem;
    color: #9CA3AF;
}

.error-state .error-message {
    color: #EF4444;
    font-weight: 600;
}

.error-state button {
    margin-top: 1rem;
    padding: 0.75rem 1.5rem;
    background: var(--gradient-primary, linear-gradient(135deg, #667eea 0%, #764ba2 100%));
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: opacity 0.2s;
}

.error-state button:hover {
    opacity: 0.9;
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */

@media (max-width: 768px) {
    .module-isolated-progress-container {
        padding: 1rem;
    }

    .degree-indicators {
        gap: 1rem;
    }

    .circular-progress {
        width: 100px;
        height: 100px;
    }

    .degree-number {
        font-size: 1.5rem;
    }

    .category-grid {
        grid-template-columns: 1fr;
    }

    .trend-content {
        flex-direction: column;
        text-align: center;
    }

    .trend-icon {
        font-size: 3rem;
    }

    .trend-stats {
        justify-content: center;
    }

    .heatmap-activity-label {
        width: 100px;
        font-size: 0.7rem;
    }

    .heatmap-cell {
        width: 30px;
        height: 30px;
        font-size: 0.65rem;
    }

    .heatmap-date {
        width: 30px;
        font-size: 0.65rem;
    }
}

@media (max-width: 480px) {
    .degree-indicators {
        flex-direction: column;
    }

    .heatmap-container {
        padding: 0.5rem;
    }

    .heatmap-activity-label {
        width: 80px;
    }

    .heatmap-cell,
    .heatmap-date {
        width: 25px;
        height: 25px;
        font-size: 0.6rem;
    }
}