:root {
    --bg: #f7f5f0;
    --text: #2b2b2b;
    --card-bg: #fff;
    --card-shadow: rgba(0,0,0,0.08);
    --header-bg: #1e4d8f;
    --header-text: #fff;
    --nav-link: #e8f0fb;
    --footer-bg: #15335f;
    --footer-text: #cfe0f7;
    --badge-bg: #e8f0fb;
    --badge-text: #1e4d8f;
    --link: #1e4d8f;
    --link-dark: #15335f;
    --meta: #777;
    --border: #eee;
}
[data-theme="dark"] {
    --bg: #14171c;
    --text: #e6e6e6;
    --card-bg: #1e222a;
    --card-shadow: rgba(0,0,0,0.4);
    --header-bg: #101317;
    --header-text: #fff;
    --nav-link: #cfd8e3;
    --footer-bg: #0c0e11;
    --footer-text: #9fb0c3;
    --badge-bg: #24344d;
    --badge-text: #9dc0f5;
    --link: #6fa8ff;
    --link-dark: #9dc0f5;
    --meta: #9aa4b2;
    --border: #2a2f3a;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Segoe UI', Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background 0.2s, color 0.2s;
}
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

.site-header {
    background: var(--header-bg);
    color: var(--header-text);
    padding: 16px 0;
}
.site-header .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.header-row { position: relative; }
.logo { color: #fff; font-size: 1.4rem; font-weight: bold; text-decoration: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.main-nav { display: flex; align-items: center; flex-wrap: wrap; }
.main-nav a { color: var(--nav-link); text-decoration: none; margin-left: 16px; font-size: 0.95rem; }
.main-nav a:hover { text-decoration: underline; }

.menu-toggle {
    display: none;
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    border-radius: 6px;
    width: 38px;
    height: 38px;
    font-size: 1.2rem;
    cursor: pointer;
}
.menu-toggle:hover { background: rgba(255,255,255,0.28); }

@media (max-width: 768px) {
    .menu-toggle { display: block; }
    .main-nav {
        display: none;
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        padding-top: 10px;
    }
    .main-nav.nav-abierto { display: flex; }
    .main-nav a { margin-left: 0; padding: 8px 0; width: 100%; }
}

.theme-toggle {
    background: rgba(255,255,255,0.15);
    border: none;
    color: #fff;
    border-radius: 20px;
    padding: 6px 14px;
    cursor: pointer;
    font-size: 0.9rem;
    white-space: nowrap;
}
.theme-toggle:hover { background: rgba(255,255,255,0.28); }

.ad-slot { margin: 20px 0; text-align: center; }

.post-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    margin: 24px 0;
}
.post-card {
    background: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 1px 4px var(--card-shadow);
    display: flex;
    flex-direction: column;
}
.post-card .thumb {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
}
.post-card .card-body { padding: 18px; position: relative; }
.post-card .badge-overlay { margin-bottom: 8px; }
.post-card h2 { font-size: 1.2rem; margin-bottom: 8px; line-height: 1.3; }
.post-card h2 a { color: var(--link); text-decoration: none; }
.post-card .meta { font-size: 0.82rem; color: var(--meta); margin-bottom: 10px; display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.post-card .resumen { color: var(--text); opacity: 0.85; font-size: 0.95rem; }
.badge {
    display: inline-block;
    background: var(--badge-bg);
    color: var(--badge-text);
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
}

.post-single h1 { font-size: 1.9rem; margin: 20px 0 10px; color: var(--link-dark); }
.post-single .meta { color: var(--meta); font-size: 0.9rem; margin-bottom: 20px; display: flex; gap: 14px; flex-wrap: wrap; }
.post-single .contenido { font-size: 1.05rem; }
.post-single .contenido p { margin-bottom: 16px; }

.site-footer {
    background: var(--footer-bg);
    color: var(--footer-text);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px;
    font-size: 0.9rem;
}

/* Comentarios */
.comentarios-box { margin-top: 30px; border-top: 1px solid var(--border); padding-top: 20px; }
.comentario-item { background: var(--card-bg); border-radius: 8px; padding: 14px; margin-bottom: 12px; box-shadow: 0 1px 3px var(--card-shadow); }
.comentario-item .autor-comentario { font-weight: bold; font-size: 0.9rem; }
.comentario-item .fecha-comentario { font-size: 0.78rem; color: var(--meta); margin-left: 8px; }
.comentario-form input, .comentario-form textarea {
    width: 100%; padding: 10px; margin-bottom: 10px; border: 1px solid var(--border);
    border-radius: 6px; font-size: 1rem; background: var(--card-bg); color: var(--text);
}
.comentario-form textarea { min-height: 90px; }

/* Admin */
.admin-box { max-width: 500px; margin: 60px auto; background: #fff; padding: 30px; border-radius: 10px; box-shadow: 0 1px 6px rgba(0,0,0,0.1); }
.admin-box input, .admin-box textarea, .admin-box select {
    width: 100%; padding: 10px; margin-bottom: 14px; border: 1px solid #ccc; border-radius: 6px; font-size: 1rem;
}
.admin-box textarea { min-height: 200px; }
.admin-box button, .btn {
    background: #1e4d8f; color: #fff; border: none; padding: 10px 18px;
    border-radius: 6px; cursor: pointer; font-size: 1rem; text-decoration: none; display: inline-block;
}
.admin-box button:hover, .btn:hover { background: #15335f; }
.admin-table { width: 100%; border-collapse: collapse; margin-top: 20px; background: #fff; }
.admin-table th, .admin-table td { padding: 10px; border-bottom: 1px solid #eee; text-align: left; font-size: 0.95rem; }
.error-msg { background: #fdecea; color: #b71c1c; padding: 10px; border-radius: 6px; margin-bottom: 14px; }
.success-msg { background: #e8f0fb; color: #0d3d78; padding: 10px; border-radius: 6px; margin-bottom: 14px; }