/* miris.tech — Isometric Technical Docs */

:root {
    --bg: #0B1628;
    --primary: #4FC3F7;
    --secondary: #E3F2FD;
    --text: #B0C4DE;
    --surface: #2A4570;
    --accent: #FF8A65;
    --grid: #1A3050;
    --grid-line: #3D6098;
}

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: 'IBM Plex Sans', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.7;
    overflow-x: hidden;
    /* Isometric grid background */
    background-image:
        repeating-linear-gradient(
            30deg,
            transparent,
            transparent 39px,
            rgba(26, 48, 80, 0.15) 39px,
            rgba(26, 48, 80, 0.15) 40px
        ),
        repeating-linear-gradient(
            -30deg,
            transparent,
            transparent 39px,
            rgba(26, 48, 80, 0.15) 39px,
            rgba(26, 48, 80, 0.15) 40px
        );
}

/* Typography */
h1, h2, h3 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: 0em;
}

h1 {
    font-size: 36px;
}

h2 {
    font-size: 24px;
    margin-bottom: 16px;
}

h3 {
    font-size: 18px;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

/* Sidebar */
#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 240px;
    height: 100vh;
    background: rgba(11, 22, 40, 0.95);
    border-right: 1px solid var(--grid);
    padding: 24px 0;
    overflow-y: auto;
    z-index: 100;
    transform: translateX(-240px);
    transition: transform 0.4s ease-out;
}

#sidebar.visible {
    transform: translateX(0);
}

.sidebar-header {
    padding: 0 20px 24px;
    border-bottom: 1px solid var(--grid);
    margin-bottom: 16px;
}

.sidebar-logo {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 22px;
    color: var(--secondary);
}

.sidebar-label {
    font-family: 'IBM Plex Mono', monospace;
    font-weight: 400;
    font-size: 14px;
    color: var(--primary);
    margin-left: 6px;
}

.toc-tree {
    list-style: none;
    padding: 0 16px;
}

.toc-item {
    position: relative;
    padding: 8px 0 8px 24px;
    border-left: 1px solid var(--grid-line);
    margin-left: 8px;
}

.toc-item::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 16px;
    width: 12px;
    height: 1px;
    background: var(--grid-line);
}

.toc-item.active {
    border-left-color: var(--primary);
}

.toc-item.active > a {
    color: var(--primary);
}

.toc-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 6px;
    vertical-align: middle;
}

.status-stable {
    background-color: #66BB6A;
}

.status-active {
    background-color: #4FC3F7;
}

.status-experimental {
    background-color: #FF8A65;
}

.toc-item a {
    font-family: 'IBM Plex Sans', sans-serif;
    font-size: 13px;
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.toc-item a:hover {
    color: var(--primary);
}

.toc-subtree {
    list-style: none;
    padding: 4px 0 0 16px;
}

.toc-subtree li {
    padding: 4px 0;
    position: relative;
    padding-left: 16px;
    border-left: 1px solid var(--grid);
}

.toc-subtree li::before {
    content: '';
    position: absolute;
    left: -1px;
    top: 12px;
    width: 8px;
    height: 1px;
    background: var(--grid);
}

.toc-subtree a {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--text);
    text-decoration: none;
    opacity: 0.7;
    transition: opacity 0.2s ease, color 0.2s ease;
}

.toc-subtree a:hover {
    opacity: 1;
    color: var(--primary);
}

/* Main Content */
#main-content {
    margin-left: 240px;
    padding: 40px 48px;
    min-height: 100vh;
}

.section {
    max-width: 800px;
    margin-bottom: 80px;
}

/* Hero */
.hero-title {
    opacity: 0;
    transition: opacity 0.5s ease;
    margin-bottom: 8px;
}

.hero-title.visible {
    opacity: 1;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text);
    margin-bottom: 32px;
    opacity: 0.8;
}

/* Isometric Diagrams */
.iso-diagram {
    background: var(--surface);
    border: 1px solid var(--grid-line);
    border-radius: 4px;
    padding: 20px;
    margin: 24px 0;
    overflow: visible;
}

.iso-diagram svg {
    width: 100%;
    height: auto;
    display: block;
}

.iso-box {
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.2s ease, transform 0.2s ease;
    transform-origin: center center;
}

.iso-box.visible {
    opacity: 1;
    transform: scale(1);
}

.iso-box rect {
    transition: stroke 0.3s ease, filter 0.3s ease;
}

.iso-box:hover rect {
    stroke: #4FC3F7;
    filter: drop-shadow(0 0 6px rgba(79, 195, 247, 0.4));
}

.conn-line {
    opacity: 0;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    transition: stroke-dashoffset 0.3s ease, opacity 0.3s ease;
}

.conn-line.visible {
    opacity: 1;
    stroke-dashoffset: 0;
}

.flow-dot {
    opacity: 0;
    transition: opacity 0.5s ease;
}

.flow-dot.visible {
    opacity: 1;
}

/* Blueprint Panels */
.blueprint-panel {
    background: var(--surface);
    border: 1px solid var(--grid-line);
    border-radius: 4px;
    padding: 24px;
    margin: 24px 0;
}

.blueprint-panel h3 {
    color: var(--secondary);
    margin-bottom: 12px;
}

/* Code Blocks */
.code-block {
    background: #0D1B2E;
    border-left: 3px solid var(--primary);
    border-radius: 4px;
    margin: 16px 0;
    overflow: hidden;
    opacity: 0;
    transform: translateX(-10px);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.code-block.visible {
    opacity: 1;
    transform: translateX(0);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    border-bottom: 1px solid var(--grid);
}

.code-lang {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.copy-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text);
    background: transparent;
    border: 1px solid var(--grid-line);
    border-radius: 3px;
    padding: 2px 10px;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.copy-btn:hover {
    color: var(--primary);
    border-color: var(--primary);
}

.copy-btn.copied {
    color: #66BB6A;
    border-color: #66BB6A;
}

pre {
    padding: 16px;
    overflow-x: auto;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    line-height: 1.5;
    color: var(--secondary);
}

code .kw { color: #4FC3F7; }
code .type { color: #FF8A65; }
code .fn { color: #66BB6A; }
code .str { color: #A5D6A7; }
code .num { color: #CE93D8; }

/* Stack Grid */
.stack-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.stack-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: rgba(13, 27, 46, 0.5);
    border-radius: 4px;
    border: 1px solid var(--grid);
    transition: border-color 0.3s ease;
}

.stack-item:hover {
    border-color: var(--grid-line);
}

.stack-name {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    color: var(--secondary);
    min-width: 60px;
}

.stack-desc {
    font-size: 13px;
    color: var(--text);
    flex: 1;
}

.stack-item .toc-dot {
    flex-shrink: 0;
}

/* Metrics */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin: 32px 0;
}

.metric-card {
    background: var(--surface);
    border: 1px solid var(--grid-line);
    border-radius: 4px;
    padding: 24px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.gauge {
    width: 80px;
    height: 80px;
}

.metric-value {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 20px;
    color: var(--primary);
}

.metric-warning {
    color: var(--accent);
}

.metric-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Fade-in sections */
.fade-section {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.fade-section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    #sidebar {
        width: 200px;
    }

    #main-content {
        margin-left: 200px;
        padding: 24px;
    }

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

@media (max-width: 600px) {
    #sidebar {
        display: none;
    }

    #main-content {
        margin-left: 0;
        padding: 20px;
    }

    .metrics-grid {
        grid-template-columns: 1fr 1fr;
        gap: 12px;
    }

    h1 {
        font-size: 28px;
    }
}