:root { 
    --bg-color-light: #EBEDEA; 
    --text-color-light: #333; 
    --card-bg-light: #FFFFFF;
    --bg-color-dark: #121212; 
    --text-color-dark: #F0F0F0; 
    --card-bg-dark: #1e1e1e;
    --btn-color: #289AD1; 
}

body { 
    margin: 5%; padding: 20px; 
    background-color: var(--bg-color-light); 
    color: var(--text-color-light); 
    font-family: system-ui, sans-serif;
    display: flex; justify-content: center;
}

.container { width: 100%; max-width: 450px; display: flex; flex-direction: column; gap: 1rem; }

header { text-align: center; margin-bottom: 1.5rem; }
.logo-container img { width: 140px; }

/* Estilo del Acordeón */
.accordion-card {
    background: var(--card-bg-light);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    border-left: 4px solid var(--btn-color);
}

summary {
    padding: 18px;
    font-weight: bold;
    cursor: pointer;
    list-style: none; /* Quita la flecha por defecto */
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

summary::after {
    content: '＋';
    font-size: 1.2rem;
    color: var(--btn-color);
}

details[open] summary::after {
    content: '－';
}

.accordion-content {
    padding: 0 18px 18px 18px;
    border-top: 1px solid rgba(0,0,0,0.05);
}

/* Herramienta IP dentro del acordeón */
.ip-widget {
    background: rgba(40, 154, 209, 0.05);
    padding: 15px;
    border-radius: 8px;
    text-align: center;
    margin-top: 15px;
    cursor: pointer;
}

.widget-title { display: block; font-size: 0.8rem; opacity: 0.7; margin-bottom: 5px; }
#ip-display { display: block; font-size: 1.4rem; font-weight: 800; color: var(--btn-color); font-family: monospace; }
#ip-hint { font-size: 0.7rem; opacity: 0.5; }

/* Listas de enlaces */
.links-list, .links-grid-compact {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 15px;
}

.sub-link, .links-grid-compact a {
    text-decoration: none;
    color: inherit;
    padding: 10px;
    background: rgba(0,0,0,0.02);
    border-radius: 6px;
    font-size: 0.95rem;
    transition: background 0.2s;
}

.sub-link:hover, .links-grid-compact a:hover {
    background: rgba(40, 154, 209, 0.1);
    color: var(--btn-color);
}

/* Modo Oscuro */
@media (prefers-color-scheme: dark) {
    body { background-color: var(--bg-color-dark); color: var(--text-color-dark); }
    .accordion-card { background: var(--card-bg-dark); }
    .accordion-content { border-top-color: rgba(255,255,255,0.05); }
    .sub-link, .links-grid-compact a { background: rgba(255,255,255,0.05); }
}