/* Nervous Machine Docs — Shared Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=DM+Mono:ital,wght@0,400;0,500;1,400&display=swap');

:root {
    --bg:            #07071A;
    --bg-card:       #0F0F2A;
    --bg-card-2:     #141430;
    --bg-code:       #0A0A20;
    --text:          #E2E2F0;
    --text-dim:      #7878A0;
    --text-muted:    #4A4A70;
    --cyan:          #00F5D4;
    --indigo:        #4C00FF;
    --violet:        #8A2BE2;
    --pink:          #FF3CAC;
    --amber:         #FFB347;
    --green:         #39D353;
    --border:        rgba(76, 0, 255, 0.2);
    --border-light:  rgba(255,255,255,0.05);
    --border-hover:  rgba(0, 245, 212, 0.35);
    --mono:          'DM Mono', monospace;
    --sans:          'Montserrat', sans-serif;
    --radius:        12px;
    --max:           820px;
    --max-wide:      1060px;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--sans);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 1rem;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed; inset: 0;
    background:
        radial-gradient(ellipse 50% 35% at 10% 15%, rgba(76,0,255,0.06) 0%, transparent 60%),
        radial-gradient(ellipse 35% 45% at 90% 80%, rgba(0,245,212,0.03) 0%, transparent 60%);
    pointer-events: none; z-index: 0;
}

body::after {
    content: '';
    position: fixed; inset: 0;
    background-image: radial-gradient(circle, rgba(255,255,255,0.025) 1px, transparent 1px);
    background-size: 28px 28px;
    pointer-events: none; z-index: 0;
}

/* ── HEADER ── */
.doc-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(7,7,26,0.94);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 0.85rem 2rem;
}
.doc-header-inner {
    max-width: var(--max-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.doc-logo {
    font-family: var(--sans);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text);
    text-decoration: none;
    letter-spacing: 0.05em;
    white-space: nowrap;
}
.doc-logo span { color: var(--cyan); }

.doc-breadcrumb {
    font-family: var(--mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex: 1;
    padding: 0 1rem;
}
.doc-breadcrumb a {
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
}
.doc-breadcrumb a:hover { color: var(--cyan); }
.doc-breadcrumb .sep { color: var(--text-muted); }
.doc-breadcrumb .current { color: var(--text); }

.doc-header-nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}
.doc-header-nav a {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-dim);
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
}
.doc-header-nav a:hover { color: var(--cyan); }

/* ── LAYOUT ── */
.doc-layout {
    position: relative; z-index: 1;
    display: grid;
    grid-template-columns: 220px 1fr;
    max-width: var(--max-wide);
    margin: 0 auto;
    padding-top: 58px;
    min-height: 100vh;
}

.doc-sidebar {
    position: sticky;
    top: 58px;
    height: calc(100vh - 58px);
    overflow-y: auto;
    padding: 2rem 1.2rem 2rem 1.5rem;
    border-right: 1px solid var(--border-light);
}

.sidebar-section { margin-bottom: 1.8rem; }

.sidebar-label {
    font-family: var(--mono);
    font-size: 0.64rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    padding-left: 0.4rem;
}

.sidebar-links { list-style: none; }

.sidebar-links li a {
    display: block;
    font-size: 0.82rem;
    color: var(--text-dim);
    text-decoration: none;
    padding: 0.28rem 0.5rem;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
    line-height: 1.4;
}
.sidebar-links li a:hover {
    color: var(--text);
    background: rgba(255,255,255,0.04);
}
.sidebar-links li a.active {
    color: var(--cyan);
    background: rgba(0,245,212,0.06);
}

.sidebar-divider {
    height: 1px;
    background: var(--border-light);
    margin: 1rem 0;
}

/* ── CONTENT ── */
.doc-content {
    padding: 3rem 3.5rem 6rem 3rem;
    max-width: 780px;
}

/* Lane badge */
.doc-lane-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.9rem;
    border-radius: 20px;
    font-family: var(--mono);
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 1.2rem;
}

.lane-badge-user     { background: rgba(0,245,212,0.08); color: var(--cyan);   border: 1px solid rgba(0,245,212,0.2); }
.lane-badge-dev      { background: rgba(76,0,255,0.1);   color: #9D7BFF;       border: 1px solid rgba(76,0,255,0.25); }
.lane-badge-builder  { background: rgba(255,179,71,0.08); color: var(--amber); border: 1px solid rgba(255,179,71,0.2); }
.lane-badge-new      { background: rgba(255,60,172,0.08); color: var(--pink);  border: 1px solid rgba(255,60,172,0.2); }

/* Headings */
.doc-content h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}
.doc-content h2 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-top: 3rem;
    margin-bottom: 0.8rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border-light);
    scroll-margin-top: 80px;
}
.doc-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-top: 2rem;
    margin-bottom: 0.5rem;
    scroll-margin-top: 80px;
}
.doc-content h4 {
    font-family: var(--mono);
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Lead */
.doc-lead {
    font-size: 1.1rem;
    color: var(--text-dim);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid var(--border-light);
}

/* Body text */
.doc-content p { color: var(--text-dim); margin-bottom: 1rem; }
.doc-content p strong { color: var(--text); font-weight: 600; }
.doc-content a { color: var(--cyan); text-decoration: none; border-bottom: 1px solid rgba(0,245,212,0.3); transition: border-color 0.2s; }
.doc-content a:hover { border-color: var(--cyan); }

/* Lists */
.doc-content ul, .doc-content ol {
    color: var(--text-dim);
    padding-left: 1.4rem;
    margin-bottom: 1rem;
}
.doc-content li { margin-bottom: 0.4rem; }
.doc-content li strong { color: var(--text); }

/* Inline code */
.doc-content code {
    font-family: var(--mono);
    font-size: 0.82em;
    background: rgba(0,245,212,0.07);
    color: var(--cyan);
    padding: 0.15em 0.45em;
    border-radius: 4px;
    border: 1px solid rgba(0,245,212,0.12);
}

/* Code blocks */
.code-block {
    background: var(--bg-code);
    border: 1px solid rgba(76,0,255,0.25);
    border-radius: var(--radius);
    padding: 1.2rem 1.4rem;
    font-family: var(--mono);
    font-size: 0.8rem;
    line-height: 1.75;
    color: #C8D3F5;
    overflow-x: auto;
    margin: 1.2rem 0;
    position: relative;
}
.code-block .kw  { color: var(--cyan); }
.code-block .str { color: #A5D6A7; }
.code-block .cmt { color: #4A5080; font-style: italic; }
.code-block .key { color: #CE93D8; }
.code-block .num { color: var(--amber); }

.code-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
    display: block;
}

/* Callout boxes */
.callout {
    border-radius: var(--radius);
    padding: 1.1rem 1.3rem;
    margin: 1.5rem 0;
    display: flex;
    gap: 0.8rem;
}
.callout-icon { font-size: 1.1rem; flex-shrink: 0; line-height: 1.5; }
.callout-body { font-size: 0.9rem; color: var(--text-dim); line-height: 1.6; }
.callout-body strong { color: var(--text); }
.callout-body p { margin: 0; }

.callout-tip    { background: rgba(0,245,212,0.06);  border: 1px solid rgba(0,245,212,0.15); }
.callout-note   { background: rgba(76,0,255,0.07);   border: 1px solid rgba(76,0,255,0.2); }
.callout-warn   { background: rgba(255,179,71,0.07); border: 1px solid rgba(255,179,71,0.2); }
.callout-human  { background: rgba(0,245,212,0.05);  border-left: 3px solid var(--cyan); border-radius: 0 var(--radius) var(--radius) 0; padding-left: 1.1rem; }

/* Tables */
.doc-table-wrap { overflow-x: auto; margin: 1.2rem 0; }
.doc-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}
.doc-table th {
    font-family: var(--mono);
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    text-align: left;
    padding: 0.6rem 0.9rem;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}
.doc-table td {
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-dim);
    vertical-align: top;
}
.doc-table td:first-child { color: var(--text); font-weight: 600; white-space: nowrap; }
.doc-table td code { font-size: 0.78em; }
.doc-table tr:last-child td { border-bottom: none; }

/* Signal type chips */
.signal-chip {
    display: inline-block;
    font-family: var(--mono);
    font-size: 0.68rem;
    padding: 0.2rem 0.55rem;
    border-radius: 4px;
    margin-right: 0.3rem;
    margin-bottom: 0.2rem;
}
.sc-competence  { background: rgba(0,245,212,0.1);  color: var(--cyan);   border: 1px solid rgba(0,245,212,0.2); }
.sc-preference  { background: rgba(76,0,255,0.1);   color: #9D7BFF;       border: 1px solid rgba(76,0,255,0.25); }
.sc-claim       { background: rgba(138,43,226,0.1); color: #C77DFF;       border: 1px solid rgba(138,43,226,0.2); }
.sc-entity      { background: rgba(255,60,172,0.08); color: var(--pink);  border: 1px solid rgba(255,60,172,0.2); }
.sc-event       { background: rgba(255,179,71,0.08); color: var(--amber); border: 1px solid rgba(255,179,71,0.2); }
.sc-metric      { background: rgba(57,211,83,0.08); color: var(--green);  border: 1px solid rgba(57,211,83,0.2); }
.sc-pattern     { background: rgba(255,107,53,0.08); color: #FF6B35;      border: 1px solid rgba(255,107,53,0.2); }
.sc-state       { background: rgba(0,180,216,0.08); color: #00B4D8;       border: 1px solid rgba(0,180,216,0.2); }

/* Prompt blocks */
.prompt-block {
    background: linear-gradient(135deg, rgba(0,245,212,0.04), rgba(76,0,255,0.04));
    border: 1px solid rgba(0,245,212,0.15);
    border-radius: var(--radius);
    padding: 1rem 1.3rem;
    margin: 0.8rem 0;
    font-size: 0.9rem;
    color: var(--text-dim);
    font-style: italic;
    position: relative;
}
.prompt-block::before {
    content: '"';
    position: absolute;
    top: 0.5rem; left: 0.9rem;
    font-size: 2rem;
    color: rgba(0,245,212,0.2);
    font-style: normal;
    line-height: 1;
}
.prompt-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.4rem;
    font-style: normal;
}

/* Alignment callout */
.alignment-callout {
    background: linear-gradient(135deg, rgba(0,245,212,0.05), rgba(76,0,255,0.05));
    border: 1px solid rgba(0,245,212,0.12);
    border-radius: var(--radius);
    padding: 1.4rem 1.6rem;
    margin: 2rem 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
    align-items: center;
}
.ac-side { font-size: 0.88rem; }
.ac-label {
    font-family: var(--mono);
    font-size: 0.63rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.25rem;
}
.ac-text { color: var(--text-dim); line-height: 1.5; }
.ac-text strong { color: var(--text); }
.ac-center {
    text-align: center;
    font-size: 1.4rem;
    color: var(--text-muted);
}

/* Step list */
.steps { list-style: none; padding: 0; counter-reset: step; }
.steps li {
    counter-increment: step;
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}
.steps li::before {
    content: counter(step);
    flex-shrink: 0;
    width: 28px; height: 28px;
    border-radius: 50%;
    background: rgba(0,245,212,0.08);
    border: 1px solid rgba(0,245,212,0.2);
    color: var(--cyan);
    font-family: var(--mono);
    font-size: 0.72rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.15rem;
}
.steps li .step-body { flex: 1; }
.steps li .step-title { font-weight: 700; color: var(--text); margin-bottom: 0.3rem; }
.steps li .step-desc { font-size: 0.9rem; color: var(--text-dim); }

/* Footer */
.doc-footer {
    position: relative; z-index: 1;
    border-top: 1px solid var(--border-light);
    padding: 1.5rem 2rem;
}
.doc-footer-inner {
    max-width: var(--max-wide);
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.doc-footer p, .doc-footer a {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}
.doc-footer a:hover { color: var(--cyan); }
.doc-footer .footer-links { display: flex; gap: 1.5rem; }

/* Page nav */
.page-nav {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 4rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}
.page-nav-link {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-decoration: none;
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: border-color 0.2s, background 0.2s;
    max-width: 48%;
}
.page-nav-link:hover { border-color: var(--border-hover); background: rgba(0,245,212,0.03); }
.page-nav-link .pn-label {
    font-family: var(--mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}
.page-nav-link .pn-title { font-size: 0.9rem; font-weight: 600; color: var(--text); }
.page-nav-link.next { text-align: right; margin-left: auto; }

/* Responsive */
@media (max-width: 768px) {
    .doc-layout { grid-template-columns: 1fr; }
    .doc-sidebar { display: none; }
    .doc-content { padding: 2rem 1.2rem 4rem; }
    .doc-content h1 { font-size: 1.7rem; }
    .alignment-callout { grid-template-columns: 1fr; }
    .page-nav { flex-direction: column; }
    .page-nav-link { max-width: 100%; }
    .page-nav-link.next { text-align: left; margin-left: 0; }
}