/* ============================================
   FIELD MANUAL — Codex of QBU mechanics
   Layer colors match the Dispatches lanes:
   chrome = the science (TQB, the mirror)
   copper = lived evidence (CSH, the body)
   blue   = operational intel (Vibraline)
   ============================================ */

:root {
    --kind-science: #C9D6DF;
    --kind-lived: #C87533;
    --kind-operational: #00D9FF;
    --kind-spirit: #43B3A0;
}

.manual-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 2.5rem 1.5rem 4rem;
    min-height: calc(100vh - 200px);
}

/* ---- Header ---- */
.manual-header {
    margin-bottom: 2rem;
}

.manual-title {
    font-size: 2.5rem;
    color: var(--text-primary);
    letter-spacing: 0.2rem;
    margin-bottom: 1rem;
}

.manual-intro {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    max-width: 58ch;
    margin-bottom: 1.25rem;
}

.layer-key {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.5rem;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.layer-key li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.key-swatch {
    width: 14px;
    height: 3px;
    display: inline-block;
}

.key-swatch.kind-science { background: var(--kind-science); }
.key-swatch.kind-lived { background: var(--kind-lived); }
.key-swatch.kind-operational { background: var(--kind-operational); }
.key-swatch.kind-spirit { background: var(--kind-spirit); }

/* ---- Category filter ---- */
.category-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(0, 217, 255, 0.15);
}

.category-btn {
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-secondary);
    background: transparent;
    border: 1px solid rgba(123, 167, 188, 0.35);
    padding: 0.5rem 0.9rem;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.category-btn:hover {
    color: var(--text-primary);
    border-color: var(--neon-blue);
}

.category-btn.active {
    color: var(--darker-bg);
    background: var(--neon-blue);
    border-color: var(--neon-blue);
}

.category-btn:focus-visible,
.entry-toggle:focus-visible,
.entry-links a:focus-visible,
.layer-upgrade:focus-visible {
    outline: 2px solid var(--accent-cyan);
    outline-offset: 3px;
}

/* ---- Groups ---- */
.manual-group {
    margin-bottom: 2.5rem;
}

.group-title {
    font-size: 0.8rem;
    font-weight: normal;
    letter-spacing: 0.2rem;
    text-transform: uppercase;
    color: var(--neon-blue);
    margin-bottom: 0.5rem;
}

/* ---- Entry row ---- */
.manual-entry {
    border-top: 1px solid rgba(0, 217, 255, 0.15);
    scroll-margin-top: 8rem;
}

.manual-entry:last-child {
    border-bottom: 1px solid rgba(0, 217, 255, 0.15);
}

.entry-toggle {
    width: 100%;
    display: grid;
    grid-template-columns: 4rem 1fr auto;
    align-items: baseline;
    gap: 1rem;
    padding: 1.1rem 0;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    font-family: 'Courier New', monospace;
    color: var(--text-primary);
}

.entry-designation {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.entry-heading {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.entry-name {
    font-size: 1.2rem;
    font-weight: bold;
    line-height: 1.3;
}

.entry-summary {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.entry-status {
    font-size: 0.8rem;
    color: var(--text-secondary);
    min-width: 2rem;
    text-align: right;
}

.entry-status .partial {
    color: var(--success-green);
}

.entry-toggle:hover .entry-name,
.manual-entry.open .entry-name {
    color: var(--neon-blue);
}

.manual-entry.open .entry-designation {
    color: var(--neon-blue);
}

/* ---- Entry body ---- */
.entry-body {
    padding: 0 0 2rem 5rem;
}

.entry-layer {
    --layer-color: var(--kind-lived);
    border-left: 2px solid var(--layer-color);
    padding: 0.2rem 0 0.2rem 1.25rem;
    margin-bottom: 1.75rem;
}

.entry-layer.kind-science { --layer-color: var(--kind-science); }
.entry-layer.kind-lived { --layer-color: var(--kind-lived); }
.entry-layer.kind-operational { --layer-color: var(--kind-operational); }
.entry-layer.kind-spirit { --layer-color: var(--kind-spirit); }

.entry-layer.locked {
    border-left-style: dashed;
    opacity: 0.85;
}

.layer-label {
    font-size: 0.8rem;
    font-weight: normal;
    color: var(--layer-color);
    margin-bottom: 0.75rem;
}

.entry-layer p {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.8;
    max-width: 64ch;
    margin-bottom: 1rem;
}

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

/* ---- Locks ---- */
.layer-lock {
    --lock-color: var(--neon-blue);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.layer-lock.lock-vibraline {
    --lock-color: var(--success-green);
}

.layer-upgrade {
    color: var(--lock-color);
    border: 1px solid var(--lock-color);
    padding: 0.35rem 0.8rem;
    text-decoration: none;
    font-size: 0.8rem;
    white-space: nowrap;
}

.layer-upgrade:hover {
    background: var(--lock-color);
    color: var(--darker-bg);
}

/* ---- Cross-references ---- */
.entry-links {
    border-top: 1px dashed rgba(123, 167, 188, 0.3);
    padding-top: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.link-row {
    display: grid;
    grid-template-columns: 11rem 1fr;
    gap: 1rem;
    font-size: 0.85rem;
}

.link-label {
    color: var(--text-secondary);
}

.link-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 1.2rem;
}

.entry-links a {
    color: var(--text-primary);
    text-decoration: none;
    border-bottom: 1px solid rgba(0, 217, 255, 0.5);
}

.entry-links a:hover {
    color: var(--neon-blue);
    border-color: var(--neon-blue);
}

.entry-links .pending {
    color: var(--text-secondary);
}

.entry-links .pending em {
    font-style: normal;
    opacity: 0.7;
}

/* ---- Mobile ---- */
@media (max-width: 600px) {
    .manual-container {
        padding: 1.75rem 1.1rem 3rem;
    }

    .manual-title {
        font-size: 1.8rem;
        letter-spacing: 0.12rem;
    }

    .entry-toggle {
        grid-template-columns: 1fr auto;
        gap: 0.4rem 0.75rem;
    }

    .entry-designation {
        grid-column: 1 / -1;
    }

    .entry-name {
        font-size: 1.05rem;
    }

    .entry-body {
        padding-left: 0;
    }

    .link-row {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .category-btn {
        transition: none;
    }
}