/* ========================================
   CONTENT PAGES — STYLING
   ======================================== */

/* Content Container */
.content-page {
    display: none;
    position: relative;
    z-index: 2;
    min-height: 100vh;
    padding: 5rem 2rem 4rem;
    animation: contentFadeIn 0.5s ease forwards;
}

.content-page.active {
    display: block;
}

@keyframes contentFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-wrapper {
    max-width: 960px;
    margin: 0 auto;
}

/* Back Button */
.content-back {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber-dim);
    background: none;
    border: 1px solid var(--forge-border);
    border-radius: 3px;
    padding: 0.5rem 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 2rem;
}

.content-back:hover {
    color: var(--forge-amber);
    border-color: var(--forge-amber);
    background: rgba(255, 149, 0, 0.06);
    box-shadow: 0 0 12px var(--forge-amber-glow);
}

/* Breadcrumb */
.content-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    color: var(--forge-text-dim);
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    letter-spacing: 0.5px;
}

.content-breadcrumb span {
    color: var(--forge-amber-dim);
}

.content-breadcrumb .bc-sep {
    color: var(--forge-amber-dark);
    margin: 0 0.2rem;
}

/* Content Title */
.content-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 900;
    color: var(--forge-amber);
    letter-spacing: 3px;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 15px var(--forge-amber-glow);
    line-height: 1.3;
}

.content-subtitle {
    font-size: 0.85rem;
    color: var(--forge-text-dim);
    margin-bottom: 2rem;
    letter-spacing: 1px;
    line-height: 1.6;
}

.content-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--forge-amber), var(--forge-ember), transparent);
    margin-bottom: 2.5rem;
    box-shadow: 0 0 8px var(--forge-amber-glow);
}

/* Section within content */
.c-section {
    margin-bottom: 3rem;
}

.c-section-title {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--forge-amber);
    letter-spacing: 2px;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--forge-border);
    text-transform: uppercase;
}

.c-text {
    font-size: 0.88rem;
    color: var(--forge-text);
    line-height: 1.85;
    margin-bottom: 1rem;
}

.c-text strong {
    color: var(--forge-amber);
}

/* Key Points / Highlights */
.c-highlights {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.c-highlight-card {
    padding: 1.2rem;
    background: rgba(255, 149, 0, 0.03);
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    transition: all var(--transition-fast);
}

.c-highlight-card:hover {
    border-color: var(--forge-border-hover);
    background: rgba(255, 149, 0, 0.06);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.c-highlight-card .c-h-icon {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.c-highlight-card h4 {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--forge-amber);
    letter-spacing: 1.5px;
    margin-bottom: 0.4rem;
}

.c-highlight-card p {
    font-size: 0.8rem;
    color: var(--forge-text-dim);
    line-height: 1.6;
}

/* Tables */
.c-table-wrap {
    overflow-x: auto;
    margin: 1.5rem 0;
    border: 1px solid var(--forge-border);
    border-radius: 4px;
}

.c-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}

.c-table th {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber);
    background: rgba(255, 149, 0, 0.06);
    padding: 0.8rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--forge-border);
    text-transform: uppercase;
}

.c-table td {
    padding: 0.7rem 1rem;
    color: var(--forge-text);
    border-bottom: 1px solid rgba(255, 149, 0, 0.06);
}

.c-table tr:hover td {
    background: rgba(255, 149, 0, 0.03);
}

.c-table td:first-child {
    color: var(--forge-amber-dim);
    font-weight: bold;
}

/* Code Blocks */
.c-code {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    padding: 1.2rem;
    margin: 1rem 0;
    overflow-x: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--forge-green);
    line-height: 1.7;
}

.c-code .kw {
    color: var(--forge-amber);
}

.c-code .fn {
    color: var(--forge-green);
}

.c-code .str {
    color: var(--forge-gold);
}

.c-code .comment {
    color: var(--forge-text-dim);
    font-style: italic;
}

.c-code .num {
    color: #ff6b6b;
}

/* Bar Charts (CSS-based) */
.c-bar-chart {
    margin: 1.5rem 0;
    padding: 1.2rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--forge-border);
    border-radius: 4px;
}

.c-bar-chart-title {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber-dim);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.c-bar-row {
    display: flex;
    align-items: center;
    margin-bottom: 0.6rem;
    gap: 0.8rem;
}

.c-bar-label {
    font-size: 0.75rem;
    color: var(--forge-text-dim);
    min-width: 120px;
    text-align: right;
    flex-shrink: 0;
}

.c-bar-track {
    flex: 1;
    height: 18px;
    background: rgba(255, 149, 0, 0.06);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
}

.c-bar-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--forge-amber), var(--forge-ember));
    box-shadow: 0 0 8px var(--forge-amber-glow);
    transition: width 1.5s ease;
    position: relative;
}

.c-bar-fill.green {
    background: linear-gradient(90deg, var(--forge-green-dim), var(--forge-green));
    box-shadow: 0 0 8px var(--forge-green-glow);
}

.c-bar-fill.blue {
    background: linear-gradient(90deg, #2266aa, #3399ff);
    box-shadow: 0 0 8px rgba(51, 153, 255, 0.4);
}

.c-bar-fill.gold {
    background: linear-gradient(90deg, #cc9900, var(--forge-gold));
    box-shadow: 0 0 8px var(--forge-gold-glow);
}

.c-bar-value {
    font-size: 0.7rem;
    color: var(--forge-amber);
    min-width: 35px;
    flex-shrink: 0;
    font-weight: bold;
}

/* Pie / Donut Chart (CSS-based) */
.c-donut-chart {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    flex-wrap: wrap;
    justify-content: center;
}

.c-donut {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.c-donut-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: var(--forge-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 0.8rem;
    color: var(--forge-amber);
    font-weight: 700;
    z-index: 1;
}

.c-donut-legend {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.c-legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.78rem;
    color: var(--forge-text-dim);
}

.c-legend-dot {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    flex-shrink: 0;
}

/* Flow Diagram (CSS-based) */
.c-flow {
    display: flex;
    align-items: center;
    gap: 0;
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    overflow-x: auto;
    justify-content: center;
    flex-wrap: wrap;
}

.c-flow-node {
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--forge-amber);
    border-radius: 4px;
    background: rgba(255, 149, 0, 0.06);
    text-align: center;
    min-width: 100px;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.c-flow-node:hover {
    background: rgba(255, 149, 0, 0.12);
    box-shadow: 0 0 15px var(--forge-amber-glow);
    transform: translateY(-2px);
}

.c-flow-node h5 {
    font-family: var(--font-display);
    font-size: 0.65rem;
    color: var(--forge-amber);
    letter-spacing: 1.5px;
    margin-bottom: 0.3rem;
}

.c-flow-node p {
    font-size: 0.72rem;
    color: var(--forge-text-dim);
    line-height: 1.4;
}

.c-flow-node.highlight {
    border-color: var(--forge-ember);
    background: rgba(255, 69, 0, 0.08);
}

.c-flow-node.highlight h5 {
    color: var(--forge-ember);
}

.c-flow-arrow {
    font-size: 1.2rem;
    color: var(--forge-amber-dim);
    padding: 0 0.5rem;
    flex-shrink: 0;
}

/* Info Box */
.c-info-box {
    padding: 1.2rem 1.5rem;
    margin: 1.5rem 0;
    border-left: 3px solid var(--forge-amber);
    background: rgba(255, 149, 0, 0.04);
    border-radius: 0 4px 4px 0;
}

.c-info-box.tip {
    border-left-color: var(--forge-green);
    background: rgba(0, 255, 65, 0.03);
}

.c-info-box.warning {
    border-left-color: var(--forge-ember);
    background: rgba(255, 69, 0, 0.04);
}

.c-info-box h5 {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
}

.c-info-box.tip h5 {
    color: var(--forge-green);
}

.c-info-box.warning h5 {
    color: var(--forge-ember);
}

.c-info-box p {
    font-size: 0.82rem;
    color: var(--forge-text-dim);
    line-height: 1.7;
}

/* List */
.c-list {
    list-style: none;
    padding: 0;
    margin: 1rem 0;
}

.c-list li {
    padding: 0.4rem 0 0.4rem 1.5rem;
    font-size: 0.85rem;
    color: var(--forge-text);
    line-height: 1.7;
    position: relative;
}

.c-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--forge-amber);
}

/* Grid Layout for illustrations */
.c-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.c-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin: 1.5rem 0;
}

/* Architecture Diagram */
.c-arch-diagram {
    margin: 1.5rem 0;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--forge-border);
    border-radius: 6px;
    text-align: center;
}

.c-arch-title {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber-dim);
    margin-bottom: 1.2rem;
    text-transform: uppercase;
}

.c-arch-layers {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 600px;
    margin: 0 auto;
}

.c-arch-layer {
    padding: 0.7rem 1rem;
    border: 1px solid var(--forge-border);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all var(--transition-fast);
}

.c-arch-layer:hover {
    border-color: var(--forge-amber);
    background: rgba(255, 149, 0, 0.06);
}

.c-arch-layer-name {
    font-family: var(--font-display);
    font-size: 0.72rem;
    color: var(--forge-amber);
    letter-spacing: 1.5px;
}

.c-arch-layer-desc {
    font-size: 0.72rem;
    color: var(--forge-text-dim);
}

.c-arch-layer.l1 {
    background: rgba(255, 149, 0, 0.08);
    border-color: var(--forge-amber);
}

.c-arch-layer.l2 {
    background: rgba(255, 69, 0, 0.06);
}

.c-arch-layer.l3 {
    background: rgba(255, 215, 0, 0.04);
}

.c-arch-layer.l4 {
    background: rgba(0, 255, 65, 0.04);
    border-color: var(--forge-green-dim);
}

.c-arch-arrow-down {
    text-align: center;
    color: var(--forge-amber-dim);
    font-size: 0.9rem;
    padding: 0.1rem 0;
}

/* Metric Cards */
.c-metrics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.c-metric {
    text-align: center;
    padding: 1.2rem;
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
    transition: all var(--transition-fast);
}

.c-metric:hover {
    border-color: var(--forge-amber);
    transform: translateY(-2px);
}

.c-metric .c-m-value {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--forge-amber);
    text-shadow: 0 0 10px var(--forge-amber-glow);
}

.c-metric .c-m-label {
    font-size: 0.65rem;
    color: var(--forge-text-dim);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-top: 0.3rem;
}

/* References */
.c-references {
    margin-top: 2rem;
    padding: 1.2rem;
    border: 1px solid var(--forge-border);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.2);
}

.c-references h4 {
    font-family: var(--font-display);
    font-size: 0.7rem;
    letter-spacing: 2px;
    color: var(--forge-amber-dim);
    margin-bottom: 0.8rem;
    text-transform: uppercase;
}

.c-references a {
    display: block;
    font-size: 0.78rem;
    color: var(--forge-text-dim);
    padding: 0.3rem 0;
    transition: color var(--transition-fast);
}

.c-references a:hover {
    color: var(--forge-amber);
}

.c-references a::before {
    content: '📄 ';
}

/* Responsive */
@media (max-width: 768px) {

    .c-grid-2,
    .c-grid-3 {
        grid-template-columns: 1fr;
    }

    .c-flow {
        flex-direction: column;
    }

    .c-flow-arrow {
        transform: rotate(90deg);
    }

    .c-donut-chart {
        flex-direction: column;
        align-items: center;
    }

    .c-bar-label {
        min-width: 80px;
        font-size: 0.7rem;
    }

    .content-page {
        padding: 4rem 1rem 3rem;
    }
}