/* Visual Learning Enhancement Styles */

/* ========================= */
/* Visual Progress Indicators */
/* ========================= */

.progress-ring {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 20px auto;
}

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

.progress-ring circle {
    fill: none;
    stroke-width: 8;
}

.progress-ring .progress-bg {
    stroke: var(--md-default-bg-color--lighter);
}

.progress-ring .progress-fill {
    stroke: var(--md-primary-fg-color);
    stroke-dasharray: 377;
    stroke-dashoffset: 377;
    transition: stroke-dashoffset 1s ease;
}

.progress-percentage {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--md-primary-fg-color);
}

/* ========================= */
/* Interactive Concept Maps */
/* ========================= */

.concept-map {
    position: relative;
    background: var(--md-code-bg-color);
    border-radius: 8px;
    padding: 30px;
    margin: 30px 0;
    min-height: 400px;
}

.concept-node {
    position: absolute;
    background: var(--md-primary-fg-color);
    color: white;
    padding: 15px 20px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    font-weight: 500;
}

.concept-node:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 12px rgba(0,0,0,0.2);
}

.concept-node.central {
    background: var(--md-accent-fg-color);
    font-size: 1.2rem;
    font-weight: bold;
}

.concept-connection {
    position: absolute;
    background: var(--md-default-fg-color--light);
    opacity: 0.3;
    transform-origin: left center;
    height: 2px;
    pointer-events: none;
}

/* ========================= */
/* Visual Comparison Matrices */
/* ========================= */

.comparison-matrix {
    overflow-x: auto;
    margin: 30px 0;
}

.comparison-matrix table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.comparison-matrix th {
    background: linear-gradient(135deg, var(--md-primary-fg-color), var(--md-accent-fg-color));
    color: white;
    padding: 15px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    z-index: 10;
}

.comparison-matrix td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
}

.comparison-matrix tr:hover td {
    background: var(--md-code-bg-color);
}

.comparison-matrix .highlight-cell {
    background: rgba(255, 152, 0, 0.1);
    font-weight: 600;
}

.comparison-matrix .badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.8rem;
    font-weight: 600;
    margin: 2px;
}

.badge.l6 {
    background: #4CAF50;
    color: white;
}

.badge.l7 {
    background: #2196F3;
    color: white;
}

/* ========================= */
/* Interactive Flowcharts */
/* ========================= */

.flowchart {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 40px 0;
    padding: 20px;
    background: var(--md-code-bg-color);
    border-radius: 8px;
}

.flow-step {
    background: white;
    border: 2px solid var(--md-primary-fg-color);
    border-radius: 8px;
    padding: 20px 30px;
    margin: 10px 0;
    position: relative;
    cursor: pointer;
    transition: all 0.3s ease;
    max-width: 400px;
    text-align: center;
}

.flow-step:hover {
    background: var(--md-primary-fg-color);
    color: white;
    transform: translateX(10px);
}

.flow-step.decision {
    border-radius: 0;
    transform: rotate(45deg);
    padding: 30px;
}

.flow-step.decision .content {
    transform: rotate(-45deg);
}

.flow-arrow {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 20px solid var(--md-primary-fg-color);
    margin: 10px 0;
}

/* ========================= */
/* Memory Cards (Flashcards) */
/* ========================= */

.memory-card {
    perspective: 1000px;
    margin: 30px auto;
    max-width: 600px;
    height: 300px;
    cursor: pointer;
}

.memory-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.memory-card.flipped .memory-card-inner {
    transform: rotateY(180deg);
}

.memory-card-front, .memory-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.memory-card-front {
    background: linear-gradient(135deg, var(--md-primary-fg-color), var(--md-accent-fg-color));
    color: white;
}

.memory-card-back {
    background: white;
    border: 2px solid var(--md-primary-fg-color);
    transform: rotateY(180deg);
}

.memory-card-front h3 {
    font-size: 1.5rem;
    margin: 0;
}

/* ========================= */
/* Visual Timeline */
/* ========================= */

.visual-timeline {
    position: relative;
    padding: 40px 0;
    margin: 40px 0;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--md-primary-fg-color);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 20px 40px;
    box-sizing: border-box;
}

.timeline-item:nth-child(odd) {
    left: 0;
    text-align: right;
}

.timeline-item:nth-child(even) {
    left: 50%;
}

.timeline-content {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    position: relative;
}

.timeline-dot {
    position: absolute;
    width: 20px;
    height: 20px;
    background: var(--md-accent-fg-color);
    border-radius: 50%;
    top: 25px;
    z-index: 1;
}

.timeline-item:nth-child(odd) .timeline-dot {
    right: -10px;
}

.timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
}

/* ========================= */
/* Interactive Decision Trees */
/* ========================= */

.decision-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 40px 0;
    padding: 30px;
    background: var(--md-code-bg-color);
    border-radius: 12px;
}

.decision-node {
    background: white;
    border: 3px solid var(--md-primary-fg-color);
    border-radius: 12px;
    padding: 20px;
    margin: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    max-width: 500px;
}

.decision-node:hover {
    transform: scale(1.05);
    box-shadow: 0 8px 16px rgba(0,0,0,0.2);
}

.decision-options {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 20px;
}

.decision-option {
    background: var(--md-primary-fg-color);
    color: white;
    padding: 15px 25px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.decision-option:hover {
    background: var(--md-accent-fg-color);
    transform: translateY(-5px);
}

/* ========================= */
/* Knowledge Check Boxes */
/* ========================= */

.knowledge-check {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    border-radius: 12px;
    margin: 30px 0;
}

.knowledge-check h3 {
    margin-top: 0;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.knowledge-check-item {
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 8px;
    margin: 10px 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.knowledge-check-item:hover {
    background: rgba(255,255,255,0.2);
    transform: translateX(10px);
}

.knowledge-check-item.completed {
    background: rgba(76, 175, 80, 0.3);
    text-decoration: line-through;
}

/* ========================= */
/* Visual Skill Radar Chart */
/* ========================= */

.skill-radar {
    width: 400px;
    height: 400px;
    margin: 40px auto;
    position: relative;
}

.skill-radar canvas {
    width: 100%;
    height: 100%;
}

.skill-legend {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-top: 20px;
}

.skill-legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.skill-legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
}

/* ========================= */
/* Learning Path Visualization */
/* ========================= */

.learning-path {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.path-module {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.path-module::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--md-primary-fg-color) var(--progress, 0%), #e0e0e0 0%);
}

.path-module.completed::before {
    --progress: 100%;
}

.path-module h4 {
    margin-top: 10px;
    color: var(--md-primary-fg-color);
}

.path-module-stats {
    display: flex;
    justify-content: space-between;
    margin-top: 15px;
    font-size: 0.9rem;
    color: var(--md-default-fg-color--light);
}

/* ========================= */
/* Interactive Tooltips */
/* ========================= */

.visual-tooltip {
    position: relative;
    display: inline-block;
    border-bottom: 2px dotted var(--md-primary-fg-color);
    cursor: help;
}

.visual-tooltip .tooltip-content {
    visibility: hidden;
    background: var(--md-primary-fg-color);
    color: white;
    text-align: center;
    padding: 10px 15px;
    border-radius: 8px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.3s;
    min-width: 200px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.visual-tooltip:hover .tooltip-content {
    visibility: visible;
    opacity: 1;
}

.visual-tooltip .tooltip-content::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: var(--md-primary-fg-color) transparent transparent transparent;
}

/* ========================= */
/* Responsive Design */
/* ========================= */

@media screen and (max-width: 768px) {
    .timeline-line {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 60px;
        text-align: left !important;
    }
    
    .timeline-dot {
        left: 10px !important;
        right: auto !important;
    }
    
    .decision-options {
        flex-direction: column;
        gap: 15px;
    }
    
    .learning-path {
        grid-template-columns: 1fr;
    }
    
    .concept-map {
        min-height: 600px;
    }
}

/* ========================= */
/* Dark Mode Adjustments */
/* ========================= */

[data-md-color-scheme="slate"] {
    .comparison-matrix table {
        background: var(--md-default-bg-color);
    }
    
    .comparison-matrix td {
        border-color: var(--md-default-fg-color--lightest);
    }
    
    .flow-step {
        background: var(--md-default-bg-color);
        border-color: var(--md-primary-fg-color);
    }
    
    .timeline-content {
        background: var(--md-default-bg-color);
    }
    
    .memory-card-back {
        background: var(--md-default-bg-color);
        color: var(--md-default-fg-color);
    }
    
    .path-module {
        background: var(--md-default-bg-color);
    }
    
    .decision-node {
        background: var(--md-default-bg-color);
    }
}

/* ========================= */
/* Animation Classes */
/* ========================= */

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ========================= */
/* Print Styles */
/* ========================= */

@media print {
    .memory-card,
    .decision-tree,
    .flowchart {
        break-inside: avoid;
    }
    
    .visual-tooltip .tooltip-content {
        visibility: visible !important;
        opacity: 1 !important;
        position: static;
        display: block;
        margin-top: 10px;
        background: #f0f0f0 !important;
        color: black !important;
    }
}