:root {
    --bg-color: #0a0a0a;
    --panel-color: #111111;
    --panel-border: #1f1f1f;
    --neon-color: #39ff14;
    --text-color: #e0e0e0;
    --muted-text: #b8b8b8;
    --link-hover: #00ffff;
    --title-shadow: 0 0 10px var(--neon-color), 0 0 20px var(--neon-color);
    --box-shadow: 0 0 12px rgba(57, 255, 20, 0.08);
    --max-width: 1200px;
    --content-width: 100%;
    --radius: 12px;
}

/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Fuente personalizada */
@font-face {
    font-family: 'Nasalization';
    src: url('../fonts/nasalization.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.65;
    min-height: 100vh;
    padding: 2rem 1rem;
}

/* Contenedor general */
.notes-page {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
}

/* Cabecera */
.notes-header {
    text-align: center;
    margin-bottom: 2rem;
}

.notes-header h1 {
    font-family: 'Nasalization', sans-serif;
    font-size: 2.4rem;
    color: var(--neon-color);
    text-shadow: var(--title-shadow);
    margin-bottom: 0.5rem;
}

.notes-header p {
    color: var(--muted-text);
    font-size: 1rem;
}

/* Navegación superior */
.notes-topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.75rem 0;
    background-color: var(--bg-color);
}

.notes-back,
.notes-toplink {
    display: inline-block;
    padding: 0.6rem 1rem;
    border: 1px solid var(--neon-color);
    border-radius: 8px;
    color: var(--neon-color);
    text-decoration: none;
    background-color: rgba(57, 255, 20, 0.04);
    transition: all 0.25s ease;
}

.notes-back:hover,
.notes-toplink:hover {
    color: var(--link-hover);
    border-color: var(--link-hover);
    background-color: rgba(0, 255, 255, 0.06);
    text-decoration: none;
}

/* Índice */
.notes-index {
    margin-bottom: 1.5rem;
    padding: 1rem 1.25rem;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
}

.notes-index h2 {
    color: var(--neon-color);
    font-size: 1.2rem;
    margin-bottom: 0.75rem;
}

.notes-index ul {
    margin-left: 1.25rem;
}

.notes-index li {
    margin-bottom: 0.35rem;
}

/* Caja principal */
.notes-main {
    background-color: var(--panel-color);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    box-shadow: var(--box-shadow);
    padding: 1.5rem 2rem;
}

/* Layouts */
.layout-1col {
    display: block;
}

.layout-2col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

/* Bloques o columnas */
.notes-block {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    padding: 1.25rem;
    min-width: 0;
    line-height: 1.6;
}

/* -------------------------------------------------- */
/* CONTENIDO REAL GENERADO POR PANDOC EN .notes-main  */
/* -------------------------------------------------- */

.notes-main > h1,
.notes-main > h2,
.notes-main > h3,
.notes-main > h4,
.notes-main > p,
.notes-main > ol,
.notes-main > figure,
.notes-main > pre,
.notes-main > table,
.notes-main > blockquote {
    width: 100%;
    max-width: var(--content-width);
}

.notes-main > h1 {
    font-size: 2rem;
    line-height: 1.25;
    margin-bottom: 1rem;
}

.notes-main > h2,
.notes-main > h3,
.notes-main > h4 {
    color: var(--neon-color);
    line-height: 1.3;
    margin-bottom: 0.8rem;
}

.notes-main > h2 {
    font-size: 1.6rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.notes-main > h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
}

.notes-main > h4 {
    font-size: 1.05rem;
    margin-top: 1rem;
}

.notes-main > p {
    margin-bottom: 1.2rem;
}

.notes-main > ol {
    margin-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.notes-main > li,
.notes-main li {
    margin-bottom: 0.35rem;
}

.notes-main > figure {
    margin: 1rem 0 1.5rem 0;
}

.notes-main > figure img,
.notes-main img {
    max-width: 100%;
    width: auto;
    height: auto;
    display: block;
}

.notes-main > figure figcaption {
    margin-top: 0.6rem;
    color: var(--muted-text);
    font-size: 0.95rem;
    text-align: center;
}

/* -------------------------------------------------- */
/* CONTENIDO EN BLOQUES (.notes-block), POR SI LO USAS */
/* -------------------------------------------------- */

.notes-block h2,
.notes-block h3,
.notes-block h4 {
    color: var(--neon-color);
    line-height: 1.3;
    margin-bottom: 0.8rem;
}

.notes-block h2 {
    font-size: 1.6rem;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.notes-block h3 {
    font-size: 1.25rem;
    margin-top: 1.5rem;
}

.notes-block h4 {
    font-size: 1.05rem;
    margin-top: 1rem;
}

.notes-block p {
    margin-bottom: 1.2rem;
}

.notes-block ul,
.notes-block ol {
    margin-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.notes-block li {
    margin-bottom: 0.35rem;
}

/* Imágenes globales */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Resaltados */
strong {
    color: var(--neon-color);
}

em {
    color: #ffffff;
}

/* Enlaces */
a {
    color: var(--neon-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Cajas útiles */
.note-box,
.warning-box,
.example-box {
    border-left: 4px solid var(--neon-color);
    background-color: rgba(57, 255, 20, 0.05);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

.warning-box {
    border-left-color: #ffd000;
    background-color: rgba(255, 208, 0, 0.08);
}

.example-box {
    border-left-color: var(--link-hover);
    background-color: rgba(0, 255, 255, 0.06);
}

/* Código */
code {
    background-color: #000000;
    border: 1px solid #222222;
    border-radius: 6px;
    padding: 0.15rem 0.4rem;
    font-family: "Courier New", Courier, monospace;
    font-size: 0.95em;
    color: #ffffff;
}

pre {
    background-color: #000000;
    border: 1px solid #222222;
    border-radius: 8px;
    padding: 1rem;
    overflow-x: auto;
    margin: 1rem 0;
}

pre code {
    background: none;
    border: none;
    padding: 0;
}

/* Tablas */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0;
}

/* Listas (todos los niveles) */
.notes-main ul,
.notes-main ol {
    padding-left: 1.5rem;
    margin-bottom: 1.2rem;
}

.notes-main li {
    margin-bottom: 0.35rem;
}

th,
td {
    border: 1px solid #2a2a2a;
    padding: 0.75rem;
    text-align: left;
    vertical-align: top;
}

th {
    color: var(--neon-color);
    background-color: rgba(57, 255, 20, 0.06);
}

/* Pie de página */
.notes-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--muted-text);
    font-size: 0.9rem;
}

/* Grid de tarjetas */
.notes-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Tarjeta */
.notes-card {
    display: block;
    padding: 1.5rem;
    border: 1px solid var(--panel-border);
    border-radius: var(--radius);
    background-color: var(--panel-color);
    box-shadow: var(--box-shadow);
    text-decoration: none;
    transition: all 0.25s ease;
}

.notes-card:hover {
    border-color: var(--neon-color);
    transform: translateY(-3px);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.2);
}

.notes-card-title {
    font-size: 1.3rem;
    color: var(--neon-color);
    margin-bottom: 0.5rem;
}

.notes-card-desc {
    font-size: 0.95rem;
    color: var(--muted-text);
}

/* Responsive */
@media (max-width: 900px) {
    .layout-2col {
        grid-template-columns: 1fr;
    }

    .notes-main {
        padding: 1.25rem 1.5rem;
    }
}

@media (max-width: 600px) {
    body {
        padding: 1rem 0.75rem;
    }

    .notes-header h1 {
        font-size: 1.8rem;
    }

    .notes-topbar {
        position: static;
        padding: 0;
    }

    .notes-main {
        padding: 1rem;
    }

    .notes-block {
        padding: 1rem;
    }

    .notes-main > h1 {
        font-size: 1.65rem;
    }

    .notes-main > h2 {
        font-size: 1.35rem;
    }

    .notes-main > h3 {
        font-size: 1.15rem;
    }
}

.espacio-1 {
    height: 1rem;
}

.espacio-2 {
    height: 2rem;
}

.espacio-3 {
    height: 3rem;
}