/* ===========================
   Side Menu (Sidebar)
   Archivo dedicado para estilos del menú lateral
   =========================== */

/* Hamburger button - posicionado a la derecha del header via flex */
.header__menu-button {
    background: none;
    border: none;
    color: #ffffff;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 4px;
    margin-left: auto;
}

.header__menu-button:focus-visible {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

/* Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 300ms ease;
}

.sidebar-overlay--visible {
    opacity: 1;
    pointer-events: auto;
}

/* Sidebar panel */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 78%;
    height: 100%;
    background-color: #ffffff;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 300ms ease;
    box-shadow: -2px 0 8px rgba(0, 0, 0, 0.15);
}

.sidebar--open {
    transform: translateX(0);
}

/* Sidebar header with close button */
.sidebar__header {
    display: flex;
    justify-content: flex-end;
    padding: 0.75rem;
}

.sidebar__close-button {
    background: none;
    border: none;
    color: #333333;
    cursor: pointer;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    border-radius: 4px;
}

.sidebar__close-button:focus-visible {
    outline: 2px solid #1a237e;
    outline-offset: 2px;
}

/* Scrollable section */
.sidebar__scrollable {
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 1rem;
}

/* Fixed footer section */
.sidebar__footer {
    padding: 1rem;
    border-top: 1px solid #e0e0e0;
}

.sidebar__contribute-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #1a237e;
    text-decoration: none;
    font-size: 1rem;
    padding: 0.5rem 0;
}

.sidebar__contribute-link:hover,
.sidebar__contribute-link:focus {
    text-decoration: underline;
}

.sidebar__contribute-link:focus-visible {
    outline: 2px solid #1a237e;
    outline-offset: 2px;
}

.sidebar__contact {
    margin: 0.5rem 0 0;
    font-size: 0.875rem;
    color: #666666;
}

/* Desktop: sidebar más angosto */
@media (min-width: 768px) {
    .sidebar {
        width: 35%;
        max-width: 400px;
    }
}