/* ==============================
   VARIABLES
   ============================== */
:root {
    --bg-color: #fcfaf8;
    --text-color: #1a1a1a;
    --text-secondary-color: #6c6c6c;
    --accent-color: #6d5d4b;
    --accent-soft: rgba(109,93,75,.08);
    --border-color: #e5e0da;
    --card-bg-color: #ffffff;

    --font-heading: 'Lato', serif;
    --font-body: 'Roboto', sans-serif;

    --title-color: #856f5a;
    --hover-shadow: 0 12px 24px rgba(0,0,0,0.04);
}

html[data-theme='dark'] {
    --bg-color: #151515;
    --text-color: #e0e0e0;
    --text-secondary-color: #a0a0a0;
    --accent-color: #c9b8a8;
    --accent-soft: rgba(192,176,160,.15);
    --border-color: #383838;
    --card-bg-color: #1f1f1f;
    --title-color: #e0d3c7;
    --hover-shadow: 0 12px 28px rgba(0,0,0,0.45);
}

/* ==============================
   RESET / BASE
   ============================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* scroll suave */
html {
    scroll-behavior: smooth;
}

/* ==============================
   ENLACES
   ============================== */

a {
    text-decoration: none;
    font-weight: 500;
    transition: color .18s ease, background-color .18s ease, box-shadow .18s ease;

    padding: .2rem .6rem;
    margin: .15rem .3rem .15rem 0;
    color: var(--accent-color);
    text-transform: none;
}

a:hover {
    color: var(--title-color);
}

div {
    padding: .5rem .1rem .1rem .1rem;
}

/* tags tipo pill */

.tag {
    display: inline-block;
    padding: .2rem .6rem;
    margin: .15rem .3rem .15rem 0;
    font-size: .8rem;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-color);
    text-transform: none;
    letter-spacing: .3px;
}

.tag:hover {
    background: var(--accent-color);
    color: var(--card-bg-color);
    box-shadow: 0 4px 10px rgba(0,0,0,.10);
}

.nav-link {
    display: inline-block;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent-color);

    font-size: 1rem;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.nav-link:hover {
    color: var(--accent-color);
}

/* ==============================
   CONTENEDORES
   ============================== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.containerPost {
    max-width: 750px;
    margin: 0 auto;
    padding: 0rem 0rem;
}

/* ==============================
   HEADER / NAV
   ============================== */

header.container {
    padding: 3rem 1rem 2rem 1rem;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
    position: relative;
    margin-bottom: 1rem;
}

.site-title {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    margin: 0 0 .4rem 0;
    letter-spacing: -0.4px;
    color: var(--title-color);
}

.site-subtitle {
    margin: 0;
    font-size: .98rem;
    color: var(--text-secondary-color);
}

nav.main-nav {
    margin-top: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* ==============================
   THEME TOGGLE
   ============================== */

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    cursor: pointer;
    position: absolute;
    top: 2.5rem;
    right: 1.5rem;
}

.theme-toggle:hover {
    background-color: var(--accent-soft);
}

.theme-toggle .icon {
    width: 20px;
    height: 20px;
    color: var(--text-secondary-color);
}

.theme-toggle .sun-icon {
    display: none;
}
.theme-toggle .moon-icon {
    display: block;
}
html[data-theme='dark'] .theme-toggle .sun-icon {
    display: block;
}
html[data-theme='dark'] .theme-toggle .moon-icon {
    display: none;
}

/* ==============================
   TYPOGRAFÍA
   ============================== */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--title-color);
}

h1 { font-size: 2.2rem; margin: 1.2rem 0 .8rem; }
h2 { font-size: 1.6rem; margin: 1.5rem 0 .7rem; }
h3 { font-size: 1.25rem; margin: 1.2rem 0 .6rem; }

p {
    margin: 0 0 1.4rem;
    font-size: 1.02rem;
    line-height: 1.85;
}

/* listas en acerca / etc */
main ul {
    padding-left: 1.2rem;
}

main li {
    margin-bottom: .4rem;
    font-size: .98rem;
}

/* separadores suaves */
hr {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2.5rem 0;
}

/* ==============================
   BOTONES
   ============================== */

.btn {
    display: inline-block;
    border-radius: 999px;
    padding: .55rem 1.2rem;
    font-size: .9rem;
    cursor: pointer;
    border: 1px solid transparent;
    background: var(--accent-color);
    color: #fff;
    font-weight: 600;
    letter-spacing: .04em;
    text-transform: uppercase;
}

.btn:hover {
    background: #594736;
    box-shadow: 0 6px 18px rgba(0,0,0,.18);
}

.btn--ghost {
    background: transparent;
    color: var(--accent-color);
    border-color: var(--border-color);
}

.btn--ghost:hover {
    background: var(--accent-soft);
}

/* ==============================
   HOME: LISTA DE POSTS
   ============================== */

#post-list {
    margin: 0 auto 3rem;
    padding: 0;
}

/* grid responsiva */
.post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .post-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* primera tarjeta tipo "destacado" */
.post-card--featured {
    grid-column: 1 / -1;
}

/* tarjeta genérica */
.post-card {
    list-style: none;
    background: var(--card-bg-color);
    border-radius: 16px;
    border: 1px solid var(--border-color);
    padding: 1.4rem 1.5rem 1.2rem;
    box-shadow: 0 2px 6px rgba(0,0,0,.02);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
    opacity: 0;
    transform: translateY(18px);
}

.post-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.post-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--hover-shadow);
    border-color: rgba(0,0,0,.05);
}

.post-card__title {
    font-size: 1.45rem;
    margin: 0 0 .35rem;
    line-height: 1.35;
}

.post-card__title a {
    color: var(--title-color);
}

.post-card__title a:hover {
    color: var(--text-color);
}

.post-card__meta {
    font-size: .8rem;
    color: var(--text-secondary-color);
    margin-bottom: .7rem;
}

.post-card__excerpt {
    font-size: .95rem;
    color: var(--text-secondary-color);
    margin-bottom: .9rem;
}

/* contenedor de tags debajo de tarjetas / posts */
.post-card__tags,
.post-meta-tags {
    margin-top: .75rem;
}

/* ==============================
   PÁGINA DE POST
   ============================== */

#post-header {
    text-align: center;
}

#post-header h1 {
    font-size: 2rem;
    margin-bottom: .4rem;
}

.post-header-meta {
    font-size: .85rem;
    color: var(--text-secondary-color);
    margin-bottom: -1rem;
}

#post-content {
    margin-bottom: 2.5rem;
}

#post-content .post-body p {
    white-space: pre-wrap;
}

/* markdown genérico */
#post-content .post-body h2 {
    margin-top: 1.8rem;
    font-size: 1.4rem;
}
#post-content .post-body h3 {
    margin-top: 1.4rem;
    font-size: 1.15rem;
}
#post-content .post-body ul,
#post-content .post-body ol {
    padding-left: 1.2rem;
    margin-bottom: 1.4rem;
}
#post-content .post-body li {
    margin-bottom: .25rem;
}

/* nota */
.post-note {
    max-width: 750px; 
    margin: 0.5rem auto -2rem auto; /* Más espacio vertical para separarse del texto */
    padding: .75rem .75rem 0rem .75rem;
    
    border-radius: 8px; 
    background: var(--card-bg-color); 
    border: 1px solid var(--border-color);
    box-shadow: 1 0px 0px var(--accent-soft); 
    
    border-left: 6px solid var(--accent-color); 
    
    /* Texto */
    color: var(--text-secondary-color); 
    font-size: 1rem;
    font-style: auto; 
}

.post-note::before {
    content: "[💡] Nota: "; 
    display: block; 
    font-style: normal; 
    font-weight: bold; 
    color: var(--accent-color); 
    margin-bottom: auto;
}

/* navegación entre posts */
.post-navigation {
    margin: -2rem auto -3rem;
    padding: 2rem 0rem 1rem 0rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    font-size: .9rem;
}

.post-navigation a {
    max-width: 48%;
}

/* ==============================
   TAGS PAGE
   ============================== */

.tags-cloud {
    margin: 1rem 0 2rem;
}

.tags-cloud .tag {
    margin-bottom: .35rem;
}

.tag-listing-title {
    margin-top: .5rem;
}

/* ==============================
   ACERCA
   ============================== */

.about-section {
    margin-top: 1.5rem;
}

.about-section p {
    font-size: 1rem;
}

/* ==============================
   404
   ============================== */

.not-found {
    text-align: center;
    margin: 2.5rem 0 3rem;
}

.not-found p {
    font-size: .98rem;
}

/* ==============================
   FOOTER
   ============================== */

footer.container {
    border-top: 1.5px solid var(--border-color);
    margin-top: 4rem;
    padding: 2rem 1rem 1rem 1rem;
    text-align: center;
    font-size: .85rem;
    color: var(--text-secondary-color);
}

footer .footer-links {
    margin-bottom: .8rem;
}

footer .footer-links a {
    display: inline-block;
    font-size: .85rem;
    margin: 0 .4rem;
}

/* ==============================
   RESPONSIVE AJUSTES
   ============================== */

@media (max-width: 480px) {
    header.container {
        padding-top: 2rem;
        padding-bottom: 2rem;
    }

    .theme-toggle {
        top: 1.6rem;
        right: 1.2rem;
    }

    .site-title {
        font-size: 2rem;
    }

    .container,
    .containerPost {
        padding: 0 1.1rem;
    }

    .post-card {
        padding: 1.2rem 1.1rem 1rem;
    }

    #post-header h1 {
        font-size: 1.7rem;
    }
}