/* ============================================
   G2E DOCS — SHARED STYLESHEET
   GitHub-dark theme matching landing page
   ============================================ */

/* ---- Reset & Custom Properties ---- */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #0d1117;
    --bg-card: #161b22;
    --bg-hover: #1c2128;
    --bg-code: #0a0e14;
    --bg-sidebar: #010409;
    --accent: #3fb950;
    --accent-border: #238636;
    --accent-subtle: rgba(63, 185, 80, 0.1);
    --accent-muted: rgba(63, 185, 80, 0.15);
    --text: #e6edf3;
    --text-secondary: #8b949e;
    --text-muted: #484f58;
    --border: #30363d;
    --link: #58a6ff;
    --orange: #d29922;
    --orange-bg: rgba(210, 153, 34, 0.1);
    --orange-border: rgba(210, 153, 34, 0.3);
    --blue: #58a6ff;
    --blue-bg: rgba(88, 166, 255, 0.1);
    --blue-border: rgba(88, 166, 255, 0.3);
    --purple: #bc8cff;
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --nav-height: 60px;
    --sidebar-width: 260px;
    --mono: 'IBM Plex Mono', 'Consolas', 'Monaco', monospace;
    --font: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--link);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

::selection {
    background: rgba(63, 185, 80, 0.2);
    color: var(--text);
}

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-secondary); }


/* ============================================
   NAVBAR
   ============================================ */
.docs-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    height: var(--nav-height);
    display: flex;
    align-items: center;
    padding: 0 24px;
}

.docs-nav-inner {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.docs-nav-logo {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.docs-nav-logo img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
}

.docs-nav-logo .brand-text {
    color: var(--text);
}

.docs-nav-logo .brand-text span {
    color: var(--text);
}

.docs-nav-logo:hover {
    text-decoration: none;
    color: var(--text);
}

.docs-nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
}

.docs-nav-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.docs-nav-links a:hover {
    color: var(--text);
    text-decoration: none;
}

.docs-nav-links a.active {
    color: var(--text);
}

.docs-nav-links a svg {
    display: block;
}

.docs-nav-links .nav-icon {
    color: var(--text-muted);
    display: inline-flex;
    align-items: center;
}

.docs-nav-links .nav-icon:hover {
    color: var(--text-secondary);
}


/* ============================================
   LAYOUT: SIDEBAR + CONTENT
   ============================================ */
.docs-layout {
    display: flex;
    min-height: calc(100vh - var(--nav-height));
}

/* ---- Sidebar ---- */
.docs-sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    padding: 24px 0;
    position: sticky;
    top: var(--nav-height);
    height: calc(100vh - var(--nav-height));
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--text-muted) transparent;
}

.docs-sidebar::-webkit-scrollbar { width: 4px; }
.docs-sidebar::-webkit-scrollbar-track { background: transparent; }
.docs-sidebar::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 2px; }

.sidebar-section {
    margin-bottom: 4px;
}

.sidebar-section summary {
    display: flex;
    align-items: center;
    cursor: pointer;
    padding: 8px 20px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    list-style: none;
    user-select: none;
    transition: color 0.15s;
}

.sidebar-section summary::-webkit-details-marker { display: none; }

.sidebar-section summary::before {
    content: '\25B8';
    font-size: 0.6rem;
    margin-right: 8px;
    transition: transform 0.15s;
    color: var(--text-muted);
}

.sidebar-section[open] summary::before {
    transform: rotate(90deg);
}

.sidebar-section summary:hover {
    color: var(--text-secondary);
}

.sidebar-section ul {
    list-style: none;
    padding: 0 0 8px 0;
}

.sidebar-section ul li a {
    display: block;
    padding: 5px 20px 5px 40px;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    transition: color 0.15s, background 0.15s;
    border-left: 2px solid transparent;
}

.sidebar-section ul li a:hover {
    color: var(--text);
    background: rgba(255, 255, 255, 0.04);
    text-decoration: none;
}

.sidebar-section ul li a.active {
    color: var(--text);
    border-left-color: var(--accent);
    background: rgba(255, 255, 255, 0.04);
}


/* ---- Main Content ---- */
.docs-content {
    flex: 1;
    min-width: 0;
    max-width: 860px;
    padding: 48px 56px 80px;
}


/* ============================================
   TYPOGRAPHY
   ============================================ */
.docs-content h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 12px;
    line-height: 1.2;
}

.docs-content .page-subtitle {
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 48px;
    line-height: 1.7;
}

.docs-content h2 {
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 48px;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border);
    line-height: 1.3;
}

.docs-content h2:first-child,
.docs-content h1 + .page-subtitle + h2 {
    margin-top: 0;
}

.docs-content h3 {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 28px;
    margin-bottom: 12px;
}

.docs-content p {
    margin-bottom: 16px;
    font-size: 0.9375rem;
    line-height: 1.75;
}

.docs-content ul,
.docs-content ol {
    padding-left: 24px;
    margin-bottom: 16px;
}

.docs-content li {
    margin-bottom: 8px;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.docs-content strong {
    color: var(--text);
}

.docs-content hr {
    border: none;
    height: 1px;
    background: var(--border);
    margin: 40px 0;
}


/* ============================================
   INLINE CODE
   ============================================ */
.docs-content code {
    font-family: var(--mono);
    font-size: 0.85em;
    background: rgba(110, 118, 129, 0.15);
    color: var(--text);
    padding: 2px 6px;
    border-radius: 4px;
}


/* ============================================
   CODE BLOCKS
   ============================================ */
.docs-content pre {
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    margin: 16px 0 24px;
    overflow: hidden;
}

.docs-content pre::before {
    display: none;
}

.docs-content pre::after {
    display: none;
}

.docs-content pre code {
    display: block;
    padding: 16px 20px;
    background: none;
    color: var(--text);
    font-size: 0.8125rem;
    line-height: 1.6;
    white-space: pre;
    overflow-x: auto;
    border-radius: 0;
}

.docs-content pre code::-webkit-scrollbar { height: 4px; }
.docs-content pre code::-webkit-scrollbar-track { background: transparent; }
.docs-content pre code::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 2px; }

/* Language label */
.code-lang {
    position: absolute;
    top: 6px;
    right: 14px;
    font-family: var(--mono);
    font-size: 0.65rem;
    font-weight: 500;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
}

/* Copy button */
.code-copy {
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 3px 10px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    z-index: 2;
    font-family: var(--font);
}

.code-copy:hover {
    color: var(--text-secondary);
    border-color: var(--text-muted);
}

.code-copy.copied {
    color: var(--accent);
    border-color: var(--accent-border);
}

/* Syntax highlight spans */
.docs-content pre .comment { color: var(--text-muted); }
.docs-content pre .str { color: #a5d6ff; }
.docs-content pre .key { color: #ff7b72; }
.docs-content pre .flag { color: #ffa657; }


/* ============================================
   CALLOUT BOXES
   ============================================ */
.callout {
    padding: 14px 18px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 20px 0;
    font-size: 0.9rem;
    line-height: 1.7;
    border-left: 3px solid;
}

.callout p {
    margin-bottom: 8px;
}

.callout p:last-child {
    margin-bottom: 0;
}

.callout strong {
    display: inline;
}

.callout-tip {
    background: var(--accent-subtle);
    border-color: var(--accent);
}

.callout-tip strong {
    color: var(--accent);
}

.callout-warning {
    background: var(--orange-bg);
    border-color: var(--orange);
}

.callout-warning strong {
    color: var(--orange);
}

.callout-info {
    background: var(--blue-bg);
    border-color: var(--blue);
}

.callout-info strong {
    color: var(--blue);
}


/* ============================================
   TABLES
   ============================================ */
.docs-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0 24px;
    font-size: 0.875rem;
}

.docs-content th,
.docs-content td {
    text-align: left;
    padding: 10px 14px;
    border-bottom: 1px solid var(--border);
}

.docs-content th {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted);
    background: var(--bg-card);
}

.docs-content td {
    color: var(--text);
}

.docs-content td code {
    font-size: 0.82em;
}

.docs-content tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}


/* ============================================
   STEP NUMBERS
   ============================================ */
.step-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.8125rem;
    margin-right: 10px;
    flex-shrink: 0;
}

/* Badge (e.g., "~5 min", "Universal") */
.badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--accent);
    background: var(--accent-subtle);
    border: 1px solid var(--accent-muted);
    padding: 2px 8px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
}


/* ============================================
   WHERE BADGES (Telegram/Terminal/Agent)
   ============================================ */
.where {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 2px 8px;
    border-radius: 4px;
    vertical-align: middle;
    margin-left: 8px;
}

.where-telegram {
    background: var(--blue-bg);
    border: 1px solid var(--blue-border);
    color: var(--blue);
}

.where-terminal {
    background: rgba(139, 148, 158, 0.1);
    border: 1px solid rgba(139, 148, 158, 0.25);
    color: var(--text-secondary);
}

.where-agent {
    background: var(--accent-subtle);
    border: 1px solid var(--accent-muted);
    color: var(--accent);
}

.where-auto {
    background: rgba(188, 140, 255, 0.1);
    border: 1px solid rgba(188, 140, 255, 0.25);
    color: var(--purple);
}


/* ============================================
   PROMPT BOX (copyable instruction blocks)
   ============================================ */
.prompt-box {
    position: relative;
    background: var(--bg-code);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 16px 20px;
    margin: 16px 0;
    font-family: var(--mono);
    font-size: 0.8125rem;
    color: var(--text);
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    transition: border-color 0.15s;
    cursor: pointer;
}

.prompt-box:hover {
    border-color: var(--text-muted);
}


/* ============================================
   FLOW DIAGRAM
   ============================================ */
.flow-diagram {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin: 24px 0;
    font-size: 0.8125rem;
}

.flow-step {
    background: var(--bg-card);
    border: 1px solid var(--border);
    padding: 10px 18px;
    border-radius: var(--radius-md);
    text-align: center;
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 500;
    transition: border-color 0.15s;
}

.flow-step:hover {
    border-color: var(--text-muted);
}

.flow-step small {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 3px;
    font-weight: 400;
}

.flow-arrow {
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 600;
}


/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s;
    cursor: pointer;
    border: 1px solid transparent;
}

.btn:hover { text-decoration: none; }

.btn-primary {
    background: var(--accent-border);
    color: #fff;
    border-color: var(--accent);
}

.btn-primary:hover {
    background: var(--accent);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--text-muted);
    color: var(--text);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8125rem;
}


/* ============================================
   FOOTER
   ============================================ */
.docs-footer {
    border-top: 1px solid var(--border);
    padding: 32px 24px;
    text-align: center;
    background: var(--bg);
}

.docs-footer p {
    color: var(--text-muted);
    font-size: 0.8125rem;
}

.docs-footer a {
    color: var(--text-muted);
}

.docs-footer a:hover {
    color: var(--text-secondary);
    text-decoration: none;
}


/* ============================================
   MOBILE HAMBURGER
   ============================================ */
.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    flex-direction: column;
    gap: 5px;
    z-index: 101;
}

.sidebar-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-secondary);
    border-radius: 1px;
    transition: all 0.2s ease;
}


/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .docs-content {
        padding: 36px 32px 60px;
    }
}

@media (max-width: 768px) {
    :root {
        --nav-height: 56px;
        --sidebar-width: 280px;
    }

    .sidebar-toggle {
        display: flex;
    }

    .docs-sidebar {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        bottom: 0;
        z-index: 90;
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        box-shadow: none;
    }

    .docs-sidebar.open {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.5);
    }

    .docs-content {
        padding: 24px 20px 60px;
    }

    .docs-content h1 {
        font-size: 1.5rem;
    }

    .docs-content h2 {
        font-size: 1.125rem;
    }

    .docs-content pre code {
        font-size: 0.75rem;
        white-space: pre-wrap;
        word-break: break-all;
    }

    .docs-nav-links {
        gap: 16px;
    }

    .docs-nav-links a {
        font-size: 0.8125rem;
    }

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

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

@media (max-width: 480px) {
    .docs-content h1 {
        font-size: 1.375rem;
    }

    .docs-content pre code {
        font-size: 0.6875rem;
        padding: 12px 14px;
    }

    .docs-content table {
        font-size: 0.8rem;
    }

    .docs-content th,
    .docs-content td {
        padding: 8px 10px;
    }
}