/* Fondo general */
body {
    background: #e9ebee;
    margin: 0;
    font-family: Arial, sans-serif;
}

/* Header clásico */
.fb-header {
    background: #3b5998;
    padding: 8px 0;
}
.fb-header-content {
    max-width: 1000px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
}
.fb-title {
    color: #fff;
    font-size: 2rem;
    font-weight: bold;
    font-family: Arial, sans-serif;
    letter-spacing: -1px;
}

/* Layout clásico */
.layout {
    display: flex;
    max-width: 1000px;
    margin: 24px auto 0 auto;
    gap: 16px;
}
.sidebar {
    width: 220px;
    background: #fff;
    padding: 12px;
}
.content {
    flex: 1;
    background: #fff;
    padding: 16px;
}

/* Sidebar y avatar */
.avatar {
    width: 80px;
    height: 80px;
    border-radius: 0; /* Cambia de 50% a 0 para que sea cuadrada */
    object-fit: cover;
    display: block;
    margin: 0 auto 8px;
}
.profile-name {
    text-align: center;
    font-size: 1.1rem;
    margin: 0 0 12px 0;
}

/* Navegación lateral */
.side-nav {
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.side-link {
    color: #3b5998;
    text-decoration: none;
    padding: 6px 8px;
    border-radius: 3px;
}
.side-link:hover {
    background: #e9ebee;
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}
.tab-link {
    padding: 6px 14px;
    background: #f5f6f7;
    border-radius: 3px 3px 0 0;
    text-decoration: none;
    color: #3b5998;
    border: 1px solid #ddd;
    border-bottom: none;
}
.tab-link.active, .tab-link:hover {
    background: #fff;
    color: #222;
    border-bottom: 1px solid #fff;
}

/* Post box y posts */
.post-box textarea {
    width: 100%;
    resize: vertical;
    padding: 8px;
    border-radius: 3px;
    border: 1px solid #ccd0d5;
    font-family: inherit;
}
.btn-primary {
    background: #3b5998;
    color: #fff;
    padding: 6px 16px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-weight: bold;
}
.post {
    background: #fff;
    padding: 12px;
    border-radius: 3px;
    margin-bottom: 12px;
    border: 1px solid #ddd;
}
.post-meta {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-bottom: 8px;
}
.post-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
}
.post-date {
    font-size: 0.85rem;
    color: #888;
}
.post-controls {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}
.like-btn, .share-btn, .comments-toggle {
    background: #f5f6f7;
    border: 1px solid #ccd0d5;
    border-radius: 3px;
    padding: 4px 10px;
    cursor: pointer;
    color: #3b5998;
    font-size: 0.95rem;
}
.like-btn:hover, .share-btn:hover, .comments-toggle:hover {
    background: #e9ebee;
}
.dislike-btn {
    background: #f5f6f7;
    border: 1px solid #ccd0d5;
    border-radius: 3px;
    padding: 4px 10px;
    cursor: pointer;
    color: #d9534f;
    font-size: 0.95rem;
    margin-left: 4px;
}
.dislike-btn:hover {
    background: #fbeaea;
}

/* Photos */
.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}
.photo-grid figure {
    margin: 0;
    background: #fff;
    border-radius: 3px;
    padding: 4px;
    border: 1px solid #ddd;
    text-align: center;
}
.photo-grid img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    border-radius: 3px;
}

/* Boxes */
.boxes-grid {
    display: flex;
    gap: 10px;
}
.box {
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 3px;
    padding: 10px;
    flex: 1;
}

/* Ocultar secciones */
.hidden {
    display: none;
}
.sidebar-friends-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-top: 10px;
    justify-items: center;
}
.friend-avatar {
    width: 32px;
    height: 32px;
    /* Quita el border-radius para que sean cuadros */
    border-radius: 0;
    object-fit: cover;
    border: 2px solid #3b5998;
}