/* ==========================================
   DIH WEBSITE CUSTOM STYLES
   ========================================== */

/* Hero Banner */
.hero-banner {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 4rem 2rem;
    margin: -2rem -2rem 3rem -2rem;
    text-align: center;
    border-bottom: 4px solid #000;
}

.hero-banner h2 {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1.5rem;
    color: #000;
}

.hero-banner p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn-lg {
    padding: 0.75rem 2rem;
    font-size: 1.1rem;
    margin: 0.5rem;
    font-weight: bold;
    border-width: 2px;
}

.btn-primary {
    background-color: #000;
    border-color: #000;
    color: #fff;
}

.btn-primary:hover {
    background-color: #333;
    border-color: #333;
}

.btn-outline-primary {
    background-color: transparent;
    border-color: #000;
    color: #000;
}

.btn-outline-primary:hover {
    background-color: #000;
    color: #fff;
}

.btn-outline-secondary {
    background-color: transparent;
    border-color: #6c757d;
    color: #6c757d;
}

.btn-outline-secondary:hover {
    background-color: #6c757d;
    color: #fff;
}

/* Cards */
.card {
    background-color: #fff;
    border: 2px solid #000;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 4px 4px 0 #000;
    transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
    transform: translate(-2px, -2px);
    box-shadow: 6px 6px 0 #000;
}

.card h3 {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
    border-bottom: 2px solid #000;
    padding-bottom: 0.5rem;
}

/* Grid System Enhancement */
.grid {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.g-col-12 {
    grid-column: span 12;
}

@media (min-width: 768px) {
    .g-col-md-4 {
        grid-column: span 4;
    }
    .g-col-md-6 {
        grid-column: span 6;
    }
}

/* Callout Enhancement */
.callout {
    border-width: 2px;
    border-left-width: 8px;
    margin: 2rem 0;
}

.callout-warning {
    border-left-color: #000;
    background-color: #fff9e6;
}

.callout-note {
    border-left-color: #000;
    background-color: #f0f7ff;
}

.callout-important {
    border-left-color: #000;
    background-color: #fff0f0;
}

/* Section Dividers */
hr {
    border: none;
    border-top: 3px solid #000;
    margin: 3rem 0;
}

/* Typography Enhancement */
h1, h2, h3, h4, h5, h6 {
    font-weight: bold;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h2 {
    border-bottom: 3px solid #000;
    padding-bottom: 0.5rem;
}

/* Panel Tabset Enhancement */
.panel-tabset .nav-tabs {
    border-bottom: 3px solid #000;
}

.panel-tabset .nav-link {
    border: 2px solid transparent;
    font-weight: bold;
}

.panel-tabset .nav-link.active {
    background-color: #000;
    color: #fff;
    border-color: #000;
}

.panel-tabset .nav-link:hover:not(.active) {
    border-color: #000;
    background-color: #f8f9fa;
}

/* Mermaid Diagram Enhancement for DIH */
.mermaid {
    text-align: center;
    margin: 2rem 0;
}

/* Stats/Numbers Highlighting */
.stat-number {
    font-size: 3rem;
    font-weight: bold;
    color: #000;
    display: block;
    line-height: 1;
}

.stat-label {
    font-size: 1.1rem;
    color: #6c757d;
    display: block;
    margin-top: 0.5rem;
}

/* ==========================================
   ORIGINAL STYLES (Responsive Images)
   ========================================== */

/* Responsive figure sizing - ensures matplotlib charts fit within page width */
.figure-img {
    max-width: 100%;   /* Ensures image does not exceed container width */
    height: auto;      /* Maintains aspect ratio */
}

/* Additional responsive image handling */
img {
    max-width: 100%;
    height: auto;
}

/* Ensure figure containers don't overflow */
figure {
    max-width: 100%;
    overflow: hidden;
}

/* Handle code output images */
.cell-output-display img {
    max-width: 100%;
    height: auto;
}

/* Mermaid diagram customization - Black and white color scheme */
:root {
    /* Background colors */
    --mermaid-bg-color: #ffffff;
    --mermaid-node-bg-color: #ffffff;

    /* Border and edge colors */
    --mermaid-edge-color: #000000;
    --mermaid-border-color: #000000;

    /* Text colors */
    --mermaid-node-fg-color: #000000;
    --mermaid-label-color: #000000;

    /* Additional grayscale shades for different elements */
    --mermaid-alt-bg-color: #f5f5f5;
    --mermaid-cluster-bg-color: #eeeeee;
}