/* ============================================================
   MANUAL DE USUARIO — Instituto Gerontológico Lauredal
   Paleta corporativa (coherente con site.css)
   ============================================================ */

:root {
    --lrd-green: #5a8a3c;
    --lrd-green-light: #7ab648;
    --lrd-green-xlight: #e8f3de;
    --lrd-green-dark: #3d6128;
    --lrd-stone: #8a8c7a;
    --lrd-sand-light: #f5f2ea;
    --lrd-graphite: #4a4f44;
    --font-family-sans-serif: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-family-sans-serif);
    color: #3d4a38;
    background: var(--lrd-sand-light);
    line-height: 1.6;
}

/* ---------- Topbar ---------- */
.manual-topbar {
    background: linear-gradient(90deg, var(--lrd-green-dark), var(--lrd-green));
    color: #fff;
    padding: 18px 28px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 2px 8px rgba(0,0,0,.15);
    position: sticky;
    top: 0;
    z-index: 50;
}

.manual-topbar img {
    height: 44px;
    border-radius: 50%;
    background: #fff;
    padding: 2px;
}

.manual-topbar .titles h1 {
    font-size: 1.15rem;
    margin: 0;
    font-weight: 700;
}

.manual-topbar .titles small {
    opacity: .85;
    font-size: .8rem;
}

.manual-topbar nav {
    margin-left: auto;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.manual-topbar nav a {
    color: #fff;
    text-decoration: none;
    background: rgba(255,255,255,.15);
    padding: 7px 14px;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background .15s;
}

.manual-topbar nav a:hover { background: rgba(255,255,255,.3); }
.manual-topbar nav a.active { background: #fff; color: var(--lrd-green-dark); }

/* ---------- Layout ---------- */
.manual-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    align-items: start;
}

@media (max-width: 900px) {
    .manual-layout { grid-template-columns: 1fr; }
    .manual-toc { position: static !important; order: 2; }
}

.manual-toc {
    position: sticky;
    top: 78px;
    align-self: start;
    padding: 24px 16px;
    max-height: calc(100vh - 78px);
    overflow-y: auto;
}

.manual-toc h2 {
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--lrd-stone);
    margin: 0 0 10px 6px;
}

.manual-toc ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.manual-toc a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--lrd-graphite);
    text-decoration: none;
    font-size: .9rem;
    font-weight: 600;
}

.manual-toc a i { width: 18px; text-align: center; color: var(--lrd-green); }

.manual-toc a:hover { background: var(--lrd-green-xlight); }

.manual-content {
    padding: 32px 40px 80px;
    max-width: 980px;
}

.manual-intro {
    background: #fff;
    border-left: 5px solid var(--lrd-green);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 36px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.manual-intro h1 {
    margin: 0 0 8px;
    font-size: 1.6rem;
    color: var(--lrd-green-dark);
}

.manual-intro p { margin: 0; color: #5a5c69; }

section.manual-section {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,.06);
    margin-bottom: 32px;
    overflow: hidden;
    scroll-margin-top: 90px;
}

.manual-section-header {
    background: var(--lrd-green-xlight);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 3px solid var(--lrd-green);
}

.manual-section-header .icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--lrd-green);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.manual-section-header h2 {
    margin: 0;
    font-size: 1.15rem;
    color: var(--lrd-green-dark);
}

.manual-section-body { padding: 22px 24px; }

.manual-section-body p { margin: 0 0 14px; }

.manual-section-body ul {
    margin: 0 0 18px;
    padding-left: 20px;
}

.manual-section-body li { margin-bottom: 6px; }

.manual-flow {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    background: var(--lrd-sand-light);
    border-radius: 8px;
    padding: 16px;
    margin: 0 0 18px;
}

.manual-flow .flow-step {
    background: #fff;
    border: 1px solid var(--lrd-green);
    color: var(--lrd-green-dark);
    font-weight: 700;
    font-size: .85rem;
    padding: 6px 12px;
    border-radius: 20px;
    white-space: nowrap;
}

.manual-flow .flow-step.flow-success {
    background: var(--lrd-green);
    color: #fff;
}

.manual-flow .flow-step.flow-fail {
    background: #fff;
    border-color: #e74a3b;
    color: #e74a3b;
}

.manual-flow i.fa-arrow-right {
    color: var(--lrd-stone);
    font-size: .8rem;
}

.manual-flow .flow-or {
    font-size: .8rem;
    font-style: italic;
    color: var(--lrd-stone);
    margin: 0 2px;
}

.manual-shot {
    border: 1px solid #e3e6f0;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,.08);
    max-width: 100%;
    display: block;
    margin: 0 auto 8px;
    cursor: zoom-in;
}

.manual-shot-caption {
    text-align: center;
    font-size: .8rem;
    color: var(--lrd-stone);
    margin-bottom: 4px;
}

.manual-subheading {
    font-size: .95rem;
    font-weight: 700;
    color: var(--lrd-green-dark);
    margin: 22px 0 10px;
    padding-top: 14px;
    border-top: 1px dashed #e3e6f0;
}

.manual-subheading:first-of-type { border-top: none; padding-top: 0; }

.manual-shot-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 8px;
}

.manual-shot-grid figure {
    margin: 0;
}

.manual-shot-grid img {
    border: 1px solid #e3e6f0;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,.08);
    max-width: 100%;
    max-height: 340px;
    object-fit: cover;
    object-position: top;
    display: block;
    margin: 0 auto 6px;
    cursor: zoom-in;
    width: 100%;
}

.manual-shot-grid figcaption {
    text-align: center;
    font-size: .78rem;
    color: var(--lrd-stone);
}

.badge-tip {
    display: inline-block;
    background: #fff7e6;
    color: #915930;
    border: 1px solid #f6c23e;
    border-radius: 6px;
    padding: 8px 12px;
    font-size: .85rem;
    margin-bottom: 14px;
}

.badge-tip i { color: #f6c23e; margin-right: 6px; }

footer.manual-footer {
    text-align: center;
    padding: 24px;
    color: var(--lrd-stone);
    font-size: .8rem;
}

/* Lightbox */
#lightbox {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(20,25,15,.88);
    z-index: 100;
    align-items: center;
    justify-content: center;
    padding: 30px;
    cursor: zoom-out;
}

#lightbox.open { display: flex; }

#lightbox img {
    max-width: 95vw;
    max-height: 92vh;
    border-radius: 6px;
    box-shadow: 0 10px 40px rgba(0,0,0,.5);
}

@media print {
    .manual-topbar, .manual-toc { display: none; }
    .manual-layout { display: block; }
    section.manual-section { break-inside: avoid; box-shadow: none; border: 1px solid #ddd; }
}