/* ═══════════════════════════════════════════════════════════════════════════
   SEPSIS MATERNA — SISTEMA DE DISEÑO
   Fundación Valle del Lili · Moodle Course Stylesheet
   ═══════════════════════════════════════════════════════════════════════════
   
   INSTRUCCIONES:
   Sube este archivo a Moodle y cárgalo globalmente desde:
   Administración del sitio → Apariencia → HTML adicional → Dentro de HEAD:
   <link rel="stylesheet" href="URL_DE_ESTE_ARCHIVO">
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Fonts ──────────────────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Google+Sans:wght@400;500;700;800&family=Sofia+Sans+Condensed:wght@400;600;700&display=swap');

/* ── Variables ──────────────────────────────────────────────────────────── */
:root {
    --vdl-primary: #005b56;
    --vdl-accent: #00a69a;
    --vdl-lime: #8cbc21;
    --vdl-dark: #0f172a;
    --vdl-text: #1e293b;
    --vdl-muted: #64748b;
    --vdl-surface: #f8fafc;
    --vdl-border: #e2e8f0;
    --vdl-danger: #dc2626;
    --vdl-font: 'Google Sans', system-ui, -apple-system, sans-serif;
    --vdl-font-accent: 'Sofia Sans Condensed', 'Google Sans', system-ui, sans-serif;
    --vdl-radius: 16px;
    --vdl-radius-lg: 20px;
    --vdl-shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);
    --vdl-shadow-md: 0 4px 16px rgba(0, 0, 0, .06);
    --vdl-shadow-lg: 0 8px 32px rgba(0, 91, 86, .1);
}

/* ── Keyframes ──────────────────────────────────────────────────────────── */
@keyframes vdl-fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes vdl-pulse {
    0%, 100% { transform: scale(1); opacity: .5; }
    50%      { transform: scale(1.2); opacity: .8; }
}
@keyframes vdl-ecgScroll {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}
@keyframes vdl-shimmer {
    from { left: -100%; }
    to   { left: 200%; }
}
@keyframes vdl-heartbeat {
    0%, 100% { transform: scale(1); }
    14%      { transform: scale(1.15); }
    28%      { transform: scale(1); }
    42%      { transform: scale(1.1); }
    56%      { transform: scale(1); }
}
@keyframes vdl-glow {
    0%, 100% { box-shadow: 0 0 6px rgba(251, 191, 36, .2); }
    50%      { box-shadow: 0 0 18px rgba(251, 191, 36, .5); }
}
@keyframes vdl-float {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-6px); }
}

/* ══════════════════════════════════════════════════════════════════════════
   BASE WRAPPER — Applies to all modules
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-module {
    margin: 0 auto;
    max-width: 960px;
    font-family: var(--vdl-font);
    color: var(--vdl-text);
    line-height: 1.6;
}
.vdl-module *, .vdl-module *::before, .vdl-module *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* ── Scroll Reveal ──────────────────────────────────────────────────────── */
.vdl-reveal {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .6s ease, transform .6s ease;
}
.vdl-reveal.vdl-visible {
    opacity: 1;
    transform: translateY(0);
}
.vdl-reveal[data-delay="1"] { transition-delay: .1s; }
.vdl-reveal[data-delay="2"] { transition-delay: .2s; }
.vdl-reveal[data-delay="3"] { transition-delay: .3s; }
.vdl-reveal[data-delay="4"] { transition-delay: .4s; }
.vdl-reveal[data-delay="5"] { transition-delay: .5s; }

/* ══════════════════════════════════════════════════════════════════════════
   HERO
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-hero {
    background: linear-gradient(135deg, #003d39 0%, #005b56 30%, #00897b 65%, #00a69a 100%);
    color: #fff;
    padding: 3rem 2rem 2.5rem;
    border-radius: var(--vdl-radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 0;
}
.vdl-hero::before {
    content: "";
    position: absolute;
    top: -80px; right: -60px;
    width: 260px; height: 260px;
    background: radial-gradient(circle, rgba(140,188,33,.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: vdl-pulse 5s ease-in-out infinite;
    pointer-events: none;
}
.vdl-hero::after {
    content: "";
    position: absolute;
    bottom: -50px; left: -50px;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(255,255,255,.07) 0%, transparent 70%);
    border-radius: 50%;
    animation: vdl-pulse 6s ease-in-out infinite 1.5s;
    pointer-events: none;
}

/* ECG line in hero */
.vdl-ecg-wrap {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 50px;
    overflow: hidden;
    opacity: .18;
    pointer-events: none;
}
.vdl-ecg-wrap svg {
    animation: vdl-ecgScroll 10s linear infinite;
    height: 50px;
    display: block;
}

/* Hero content */
.vdl-badge {
    display: inline-block;
    font-family: var(--vdl-font-accent);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .15em;
    text-transform: uppercase;
    padding: .4rem 1.2rem;
    border-radius: 24px;
    background: rgba(140,188,33,.2);
    color: #d4f59a;
    margin-bottom: 1.25rem;
    border: 1px solid rgba(140,188,33,.15);
}
.vdl-hero h1, .vdl-hero h2 {
    font-family: var(--vdl-font);
    font-size: clamp(1.4rem, 4vw, 2.2rem);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: .75rem;
    position: relative;
    z-index: 1;
}
.vdl-hero-sub {
    font-size: clamp(.92rem, 2vw, 1.1rem);
    font-weight: 400;
    opacity: .9;
    margin-bottom: 1.5rem;
    max-width: 640px;
    margin-left: auto; margin-right: auto;
}
.vdl-divider {
    width: 60px; height: 3px;
    border: none; border-radius: 2px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(90deg, var(--vdl-lime), var(--vdl-accent));
}
.vdl-hero-desc {
    font-size: .95rem;
    line-height: 1.7;
    opacity: .88;
    max-width: 620px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

/* ── ECG Separator ──────────────────────────────────────────────────────── */
.vdl-ecg-sep {
    text-align: center;
    padding: .75rem 0;
    overflow: hidden;
}
.vdl-ecg-sep svg { opacity: .3; }

/* ══════════════════════════════════════════════════════════════════════════
   STOCK IMAGE HERO CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-img-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    padding: 1.5rem 1rem;
}
.vdl-img-card {
    border-radius: var(--vdl-radius);
    overflow: hidden;
    position: relative;
    height: 180px;
    box-shadow: var(--vdl-shadow-md);
    transition: transform .3s, box-shadow .3s;
}
.vdl-img-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--vdl-shadow-lg);
}
.vdl-img-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.vdl-img-card .vdl-img-overlay {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: .6rem .85rem;
    background: linear-gradient(transparent, rgba(0,0,0,.7));
    color: #fff;
    font-family: var(--vdl-font-accent);
    font-size: .72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* ══════════════════════════════════════════════════════════════════════════
   ILLUSTRATION ROW (Emoji + SVG icons)
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-illust-row {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    padding: 1.5rem 1rem 1rem;
}
.vdl-illust-item { text-align: center; }
.vdl-illust-circle {
    width: 88px; height: 88px;
    display: flex;
    align-items: center; justify-content: center;
    border-radius: 22px;
    font-size: 2.4rem;
    margin: 0 auto .5rem;
    border: 1px solid rgba(0,166,154,.15);
    transition: transform .3s, box-shadow .3s;
}
.vdl-illust-circle:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 28px rgba(0,91,86,.12);
}
.vdl-illust-label {
    font-family: var(--vdl-font-accent);
    font-size: .73rem;
    font-weight: 600;
    color: var(--vdl-muted);
    text-transform: uppercase;
    letter-spacing: .08em;
}

/* ══════════════════════════════════════════════════════════════════════════
   SECTION HEADERS
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-section-hd {
    text-align: center;
    margin: 2rem 0 1.5rem;
    padding: 0 1rem;
}
.vdl-section-hd h2 {
    font-family: var(--vdl-font);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--vdl-primary);
    margin-bottom: .35rem;
}
.vdl-section-hd p {
    font-size: .9rem;
    color: var(--vdl-muted);
}
/* Inline sec-hd with letter badge */
.vdl-sec-bar {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin: 2.5rem 0 1.25rem;
    padding: 0 1rem;
}
.vdl-sec-letter {
    display: inline-flex;
    align-items: center; justify-content: center;
    background: var(--vdl-primary);
    color: #fff;
    font-family: var(--vdl-font-accent);
    font-size: .75rem;
    font-weight: 700;
    width: 34px; height: 34px;
    border-radius: 10px;
    flex-shrink: 0;
}
.vdl-sec-bar h2 {
    font-family: var(--vdl-font);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--vdl-primary);
}

/* ══════════════════════════════════════════════════════════════════════════
   OBJECTIVE / TOPIC CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-obj-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 1rem;
    margin-bottom: 2.5rem;
}
@media (min-width: 640px) {
    .vdl-obj-grid { grid-template-columns: repeat(3, 1fr); }
}
.vdl-obj-card {
    background: #fff;
    border: 1px solid var(--vdl-border);
    border-radius: var(--vdl-radius);
    padding: 1.75rem 1.5rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform .3s ease, box-shadow .3s ease;
}
.vdl-obj-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--vdl-primary), var(--vdl-accent));
    border-radius: var(--vdl-radius) var(--vdl-radius) 0 0;
    transition: height .3s;
}
.vdl-obj-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--vdl-shadow-lg);
}
.vdl-obj-card:hover::before { height: 5px; }
.vdl-obj-icon {
    display: inline-flex;
    align-items: center; justify-content: center;
    width: 56px; height: 56px;
    border-radius: var(--vdl-radius);
    font-size: 1.6rem;
    margin-bottom: 1rem;
}
.vdl-obj-badge {
    display: inline-block;
    font-family: var(--vdl-font-accent);
    font-size: .7rem;
    font-weight: 700;
    color: var(--vdl-accent);
    background: rgba(0,166,154,.08);
    padding: .2rem .65rem;
    border-radius: 10px;
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: .75rem;
}
.vdl-obj-text {
    font-size: .95rem;
    font-weight: 600;
    color: var(--vdl-text);
    line-height: 1.5;
}

/* Topic cards (smaller, horizontal) */
.vdl-topic-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: .75rem;
    margin: 0 1rem 1.5rem;
}
.vdl-topic-card {
    background: #fff;
    border: 1px solid var(--vdl-border);
    border-radius: 12px;
    padding: 1rem 1.15rem;
    display: flex;
    align-items: flex-start;
    gap: .6rem;
    transition: transform .3s, box-shadow .3s;
}
.vdl-topic-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(0,91,86,.1);
}
.vdl-topic-card .vdl-tc-ico {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 40px; height: 40px;
    display: flex;
    align-items: center; justify-content: center;
    border-radius: 10px;
    background: linear-gradient(135deg, rgba(0,166,154,.06), rgba(0,166,154,.14));
}
.vdl-topic-card .vdl-tc-title {
    font-size: .82rem;
    font-weight: 700;
    color: var(--vdl-primary);
    font-family: var(--vdl-font-accent);
}
.vdl-topic-card .vdl-tc-sub {
    font-size: .8rem;
    color: var(--vdl-muted);
}

/* ══════════════════════════════════════════════════════════════════════════
   CTA BUTTON
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-cta { text-align: center; padding: 1rem 1rem 2.5rem; }
.vdl-cta-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--vdl-lime), #6f9e10);
    color: #fff;
    font-family: var(--vdl-font);
    font-size: 1rem;
    font-weight: 700;
    padding: .9rem 2.5rem;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    cursor: pointer;
    letter-spacing: .02em;
    box-shadow: 0 4px 14px rgba(140,188,33,.35);
    transition: all .3s ease;
    position: relative;
    overflow: hidden;
}
.vdl-cta-btn:hover {
    box-shadow: 0 8px 28px rgba(140,188,33,.5);
    transform: translateY(-3px);
}
.vdl-cta-btn::after {
    content: "";
    position: absolute;
    top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.25), transparent);
    animation: vdl-shimmer 3s ease-in-out infinite;
}

/* ══════════════════════════════════════════════════════════════════════════
   DEFINITION CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-def-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
    padding: 0 1rem;
}
@media (min-width: 600px) {
    .vdl-def-grid { grid-template-columns: 1fr 1fr; }
}
.vdl-def-card {
    border-radius: 14px;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    border-left: 5px solid;
    transition: transform .3s, box-shadow .3s;
}
.vdl-def-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,91,86,.1);
}
.vdl-def-card--sepsis  { background: #f0fdf4; border-color: var(--vdl-accent); }
.vdl-def-card--shock   { background: #fef2f2; border-color: var(--vdl-danger); }
.vdl-tag {
    display: inline-block;
    font-family: var(--vdl-font-accent);
    font-size: .7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: .2rem .6rem;
    border-radius: 6px;
    margin-bottom: .75rem;
}
.vdl-tag--green { background: rgba(0,166,154,.12); color: var(--vdl-primary); }
.vdl-tag--red   { background: rgba(220,38,38,.1); color: #991b1b; }
.vdl-def-card h3 {
    font-size: 1.1rem; font-weight: 700; margin-bottom: .5rem; color: var(--vdl-text);
}
.vdl-def-card p {
    font-size: .9rem; color: #475569; line-height: 1.65;
}

/* ══════════════════════════════════════════════════════════════════════════
   HEARTBEAT MONITOR (dark SVG card)
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-hb-monitor {
    margin: 1.5rem 1rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-radius: 14px;
    text-align: center;
    overflow: hidden;
    position: relative;
}
.vdl-hb-monitor .vdl-hb-label {
    font-family: var(--vdl-font-accent);
    font-size: .7rem; font-weight: 700;
    color: rgba(140,188,33,.7);
    text-transform: uppercase;
    letter-spacing: .12em;
    margin-bottom: .5rem;
}
.vdl-hb-monitor svg { opacity: .9; }
.vdl-hb-vals {
    display: flex; justify-content: center; gap: 2rem;
    margin-top: .75rem; flex-wrap: wrap;
}
.vdl-hb-val { text-align: center; }
.vdl-hb-val .num {
    font-family: var(--vdl-font-accent);
    font-size: 1.4rem; font-weight: 700; line-height: 1;
}
.vdl-hb-val .lbl {
    font-family: var(--vdl-font-accent);
    font-size: .6rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .1em; opacity: .7;
}

/* ══════════════════════════════════════════════════════════════════════════
   qSOFA, MEOWS TABLE, TIMELINE, ACCORDIONS
   ══════════════════════════════════════════════════════════════════════════ */
/* qSOFA */
.vdl-qsofa { background: #fff; border: 1px solid var(--vdl-border); border-radius: 14px; padding: 1.5rem; margin: 0 1rem 1.5rem; box-shadow: var(--vdl-shadow-sm); }
.vdl-qsofa h3 { font-size: 1.05rem; font-weight: 700; color: var(--vdl-primary); margin-bottom: 1rem; }
.vdl-qsofa-list { list-style: none; display: flex; flex-direction: column; gap: .65rem; margin-bottom: 1rem; }
.vdl-qsofa-list li { display: flex; align-items: center; gap: .75rem; background: var(--vdl-surface); padding: .75rem 1rem; border-radius: 10px; border: 1px solid var(--vdl-border); font-size: .9rem; transition: transform .2s, box-shadow .2s; }
.vdl-qsofa-list li:hover { transform: translateX(4px); box-shadow: 0 4px 12px rgba(0,91,86,.08); }
.vdl-qsofa-list .ico { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; background: rgba(0,166,154,.1); border-radius: 10px; font-size: 1.1rem; flex-shrink: 0; }
.vdl-alert-bar { display: flex; align-items: center; gap: .6rem; background: linear-gradient(135deg, #dc2626, #b91c1c); color: #fff; padding: .8rem 1rem; border-radius: 10px; font-size: .88rem; font-weight: 600; animation: vdl-glow 2s ease-in-out infinite; }

/* MEOWS Table */
.vdl-meows-wrap { margin: 0 1rem 1.5rem; border-radius: 14px; border: 1px solid var(--vdl-border); overflow: hidden; box-shadow: var(--vdl-shadow-sm); }
.vdl-meows-hd { background: var(--vdl-primary); color: #fff; padding: 1rem 1.25rem; font-size: 1.05rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.vdl-meows-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.vdl-meows-wrap table { width: 100%; border-collapse: collapse; font-size: .8rem; min-width: 700px; }
.vdl-meows-wrap th { padding: .6rem .4rem; text-align: center; font-family: var(--vdl-font-accent); font-weight: 700; font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; background: #f1f5f9; color: #475569; }
.vdl-meows-wrap th:first-child { text-align: left; padding-left: .75rem; }
.vdl-meows-wrap td { padding: .55rem .4rem; text-align: center; border-bottom: 1px solid #f1f5f9; font-weight: 500; }
.vdl-meows-wrap td:first-child { text-align: left; font-weight: 600; padding-left: .75rem; color: var(--vdl-text); white-space: nowrap; }
.vdl-c-r { background: #fef2f2; color: #dc2626; }
.vdl-c-y { background: #fefce8; color: #a16207; }
.vdl-c-g { background: #f0fdf4; color: #15803d; }
.vdl-c-n { background: var(--vdl-surface); color: #cbd5e1; }
.vdl-meows-legend { display: flex; flex-wrap: wrap; gap: 1rem; padding: .85rem 1.25rem; background: var(--vdl-surface); border-top: 1px solid var(--vdl-border); font-size: .78rem; color: var(--vdl-muted); }
.vdl-meows-legend .dot { display: inline-block; width: 12px; height: 12px; border-radius: 3px; margin-right: .35rem; vertical-align: middle; }
.vdl-meows-actions { display: grid; grid-template-columns: repeat(3, 1fr); gap: .75rem; padding: 1rem 1.25rem; border-top: 1px solid var(--vdl-border); font-size: .78rem; }
.vdl-meows-act { padding: .65rem .75rem; border-radius: 10px; text-align: center; font-weight: 600; line-height: 1.4; border: 1px solid; }
.vdl-meows-act .act-title { display: block; font-family: var(--vdl-font-accent); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; margin-bottom: .25rem; }

/* Timeline */
.vdl-intro-box { margin: 0 1rem 1rem; padding: 1rem 1.25rem; background: linear-gradient(135deg, rgba(140,188,33,.08), rgba(0,166,154,.06)); border-left: 4px solid var(--vdl-lime); border-radius: 0 12px 12px 0; font-size: .9rem; color: #475569; line-height: 1.65; }
.vdl-intro-box strong { color: var(--vdl-primary); }
.vdl-timeline { position: relative; padding: .5rem 0 .5rem 2.5rem; margin: 0 1rem 1.5rem; }
.vdl-timeline::before { content: ""; position: absolute; left: 1.05rem; top: 0; bottom: 0; width: 3px; background: linear-gradient(180deg, var(--vdl-lime) 0%, var(--vdl-accent) 50%, var(--vdl-primary) 100%); border-radius: 2px; }
.vdl-tl-step { position: relative; padding: .6rem 0 .6rem 1.5rem; }
.vdl-tl-step::before { content: ""; position: absolute; left: -1.55rem; top: .85rem; width: 14px; height: 14px; border-radius: 50%; background: var(--vdl-accent); border: 3px solid #fff; box-shadow: 0 0 0 2px var(--vdl-accent); z-index: 1; }
.vdl-tl-step:first-child::before { background: var(--vdl-lime); box-shadow: 0 0 0 2px var(--vdl-lime); }
.vdl-tl-step:last-child::before { background: var(--vdl-primary); box-shadow: 0 0 0 2px var(--vdl-primary); }
.vdl-tl-time { display: inline-block; font-family: var(--vdl-font-accent); font-size: .7rem; font-weight: 700; color: #fff; background: var(--vdl-primary); padding: .12rem .5rem; border-radius: 4px; margin-bottom: .2rem; }
.vdl-tl-title { font-weight: 700; font-size: .9rem; color: var(--vdl-text); }
.vdl-tl-desc { font-size: .82rem; color: var(--vdl-muted); }

/* Accordions */
.vdl-acc-group { display: flex; flex-direction: column; gap: .65rem; padding: 0 1rem; margin-bottom: 2rem; }
.vdl-acc-group details { border: 1px solid var(--vdl-border); border-radius: 12px; overflow: hidden; background: #fff; transition: box-shadow .2s; }
.vdl-acc-group details:hover { box-shadow: 0 4px 16px rgba(0,91,86,.06); }
.vdl-acc-group details[open] { box-shadow: 0 4px 16px rgba(0,91,86,.08); }
.vdl-acc-group summary { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.25rem; cursor: pointer; font-weight: 600; font-size: .95rem; color: var(--vdl-text); list-style: none; user-select: none; }
.vdl-acc-group summary::-webkit-details-marker { display: none; }
.vdl-acc-group summary::before { content: "▸"; display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; font-size: .85rem; color: var(--vdl-accent); background: rgba(0,166,154,.08); border-radius: 8px; flex-shrink: 0; transition: transform .25s; }
.vdl-acc-group details[open] > summary::before { content: "▾"; background: rgba(0,166,154,.15); }
.vdl-acc-group summary .ico { font-size: 1.25rem; flex-shrink: 0; }
.vdl-acc-body { padding: 0 1.25rem 1.25rem 3.75rem; font-size: .9rem; color: #475569; line-height: 1.7; }
.vdl-acc-body p { margin-bottom: .5rem; }
.vdl-meta-tag { display: inline-block; background: rgba(0,166,154,.08); color: var(--vdl-primary); font-family: var(--vdl-font-accent); font-weight: 600; padding: .15rem .6rem; border-radius: 5px; font-size: .85rem; }
.vdl-detail-box { background: var(--vdl-surface); border: 1px solid var(--vdl-border); border-radius: 10px; padding: .85rem 1rem; margin-top: .5rem; font-size: .85rem; }

/* Metas Grid */
.vdl-metas-grid { display: grid; grid-template-columns: 1fr; gap: .6rem; padding: 0 1rem; margin-bottom: 2rem; }
@media (min-width: 600px) { .vdl-metas-grid { grid-template-columns: 1fr 1fr; } }
.vdl-meta-item { display: flex; align-items: center; gap: .65rem; background: var(--vdl-surface); padding: .7rem 1rem; border-radius: 10px; border: 1px solid var(--vdl-border); font-size: .88rem; transition: transform .2s, box-shadow .2s; }
.vdl-meta-item:hover { transform: translateX(4px); box-shadow: 0 4px 12px rgba(0,91,86,.06); }
.vdl-meta-item .ico { font-size: 1.1rem; flex-shrink: 0; }
.vdl-meta-item .val { font-weight: 700; color: var(--vdl-primary); }

/* ══════════════════════════════════════════════════════════════════════════
   EVAL / WARN / EMBED CARDS
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-desc-box { margin: 0 1rem 1.5rem; padding: 1.25rem 1.5rem; background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 14px; border-left: 5px solid var(--vdl-accent); }
.vdl-desc-box h3 { font-size: 1rem; font-weight: 700; color: var(--vdl-primary); margin-bottom: .5rem; }
.vdl-desc-box p { font-size: .9rem; color: var(--vdl-text); }

.vdl-eval-card { margin: 0 1rem 1.5rem; background: #fff; border: 1px solid var(--vdl-border); border-radius: 14px; overflow: hidden; box-shadow: var(--vdl-shadow-sm); }
.vdl-eval-hd { background: var(--vdl-primary); color: #fff; padding: .85rem 1.25rem; font-weight: 700; font-size: .92rem; display: flex; align-items: center; gap: .5rem; }
.vdl-eval-body { padding: 1.25rem; }
.vdl-eval-item { display: flex; align-items: flex-start; gap: .85rem; margin-bottom: 1rem; }
.vdl-eval-item:last-child { margin-bottom: 0; }
.vdl-eval-ico { min-width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border-radius: 10px; font-size: 1rem; flex-shrink: 0; }
.vdl-eval-title { font-size: .88rem; font-weight: 700; color: var(--vdl-text); }
.vdl-eval-sub { font-size: .82rem; color: var(--vdl-muted); }

.vdl-warn-box { margin: 0 1rem 1.5rem; padding: 1rem 1.25rem; background: #fefce8; border: 1px solid #fde68a; border-radius: 12px; display: flex; align-items: flex-start; gap: .6rem; animation: vdl-glow 3s ease-in-out infinite; }
.vdl-warn-box .warn-ico { font-size: 1.1rem; flex-shrink: 0; }
.vdl-warn-box p { font-size: .85rem; color: #92400e; }

.vdl-embed-card { margin: 0 1rem 2rem; border-radius: 14px; overflow: hidden; border: 1px solid var(--vdl-border); box-shadow: 0 4px 20px rgba(0,0,0,.08); background: #fff; }
.vdl-embed-hd { background: linear-gradient(135deg, var(--vdl-primary), var(--vdl-accent)); color: #fff; padding: 1rem 1.25rem; display: flex; align-items: center; gap: .6rem; }
.vdl-embed-hd .ico { font-size: 1.3rem; }
.vdl-embed-hd .title { font-weight: 700; font-size: .95rem; }
.vdl-embed-hd .sub { font-size: .78rem; opacity: .85; }
.vdl-embed-frame { position: relative; width: 100%; padding-top: 80%; background: #f1f5f9; }
.vdl-embed-frame iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }

/* ══════════════════════════════════════════════════════════════════════════
   BIBLIOGRAPHY
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-biblio { margin: 0 1rem 2rem; padding: 1.5rem; background: var(--vdl-surface); border: 1px solid var(--vdl-border); border-radius: 14px; }
.vdl-biblio h3 { font-size: 1rem; font-weight: 700; color: var(--vdl-primary); margin-bottom: 1rem; display: flex; align-items: center; gap: .5rem; }
.vdl-biblio ol { list-style: none; counter-reset: bib; display: flex; flex-direction: column; gap: .6rem; padding: 0; }
.vdl-biblio li { counter-increment: bib; display: flex; align-items: flex-start; gap: .65rem; font-size: .88rem; color: #475569; line-height: 1.6; }
.vdl-biblio li::before { content: counter(bib); display: inline-flex; align-items: center; justify-content: center; min-width: 24px; height: 24px; background: var(--vdl-primary); color: #fff; font-family: var(--vdl-font-accent); font-size: .72rem; font-weight: 700; border-radius: 6px; flex-shrink: 0; margin-top: .15rem; }

/* ══════════════════════════════════════════════════════════════════════════
   VIDEO
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-video-wrap { margin: 1.25rem 0 2rem; border-radius: var(--vdl-radius); overflow: hidden; border: 1px solid var(--vdl-border); box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.vdl-vid-frame { position: relative; width: 100%; padding-top: 56.25%; background: linear-gradient(145deg, #0f172a, #1e293b); }
.vdl-vid-frame iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; }
.vdl-vid-bar { padding: 1rem 1.25rem; font-size: .95rem; font-weight: 600; color: var(--vdl-text); background: var(--vdl-surface); text-align: center; border-top: 3px solid var(--vdl-accent); display: flex; align-items: center; justify-content: center; gap: .5rem; }
.vdl-vid-badge { display: inline-block; font-family: var(--vdl-font-accent); font-size: .68rem; font-weight: 700; color: #fff; background: var(--vdl-accent); padding: .2rem .6rem; border-radius: 5px; text-transform: uppercase; letter-spacing: .06em; }

/* ══════════════════════════════════════════════════════════════════════════
   FOOTER
   ══════════════════════════════════════════════════════════════════════════ */
.vdl-footer {
    text-align: center;
    padding: 1rem;
    font-family: var(--vdl-font-accent);
    font-size: .78rem;
    color: #94a3b8;
    border-top: 2px solid transparent;
    border-image: linear-gradient(90deg, transparent, var(--vdl-accent), var(--vdl-lime), transparent) 1;
}

/* ══════════════════════════════════════════════════════════════════════════
   STANDALONE APP OVERRIDES (actividades + scorm)
   ══════════════════════════════════════════════════════════════════════════ */
body.vdl-app {
    font-family: var(--vdl-font);
    background: #f1f5f9;
    color: var(--vdl-text);
    line-height: 1.6;
}