/* ============================================
   SLIDE MENU - Lu Nibareddu PWA
   Hamburger menu with language selector
   ============================================ */

/* === MENU CONTAINER === */
.slide-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-modal);
    pointer-events: none;
    visibility: hidden;
}

.slide-menu.active {
    pointer-events: auto;
    visibility: visible;
}

/* === BACKDROP === */
.slide-menu-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-out);
}

.slide-menu.active .slide-menu-backdrop {
    opacity: 1;
}

/* === PANEL === */
.slide-menu-panel {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 85%;
    max-width: 320px;

    display: flex;
    flex-direction: column;

    background: var(--bg-secondary);
    box-shadow: var(--shadow-modal);

    transform: translateX(100%);
    transition: transform var(--duration-normal) var(--ease-modal);
}

.slide-menu.active .slide-menu-panel {
    transform: translateX(0);
}

/* === HEADER === */
.slide-menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    padding-top: calc(var(--space-4) + var(--safe-area-top));
    border-bottom: 1px solid var(--border-light);
}

.slide-menu-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
    margin: 0;
}

.slide-menu-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: none;
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
}

.slide-menu-close:hover {
    background: var(--border-default);
    color: var(--text-primary);
}

.slide-menu-close .material-symbols-outlined {
    font-size: 20px;
}

/* === CONTENT === */
.slide-menu-content {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

/* === MENU SECTION === */
.menu-section {
    margin-bottom: var(--space-6);
}

.menu-section-title {
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-tertiary);
    margin: 0 0 var(--space-3);
    padding-left: var(--space-2);
}

/* === LANGUAGE SELECTOR === */
.language-selector {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.lang-option {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-out);
    text-align: left;
    width: 100%;
}

.lang-option:hover {
    background: var(--bg-tertiary);
}

.lang-option.active {
    background: rgba(var(--brand-turquoise-rgb), 0.1);
    border-color: var(--brand-turquoise);
}

.lang-code {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-size: var(--text-sm);
    font-weight: var(--weight-bold);
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    transition: all var(--duration-fast) var(--ease-out);
}

.lang-option.active .lang-code {
    background: var(--brand-turquoise);
    color: white;
}

.lang-label {
    flex: 1;
    font-size: var(--text-base);
    font-weight: var(--weight-medium);
    color: var(--text-primary);
}

.lang-check {
    font-size: 20px;
    color: var(--brand-turquoise);
    opacity: 0;
    transition: opacity var(--duration-fast) var(--ease-out);
}

.lang-option.active .lang-check {
    opacity: 1;
}

/* === FOOTER === */
.slide-menu-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-6) var(--space-4);
    padding-bottom: calc(var(--space-6) + var(--safe-area-bottom));
    border-top: 1px solid var(--border-light);
    background: var(--bg-tertiary);
}

.menu-footer-text {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    text-align: center;
}

.menu-footer-text a {
    color: var(--brand-turquoise);
    text-decoration: none;
    font-weight: var(--weight-medium);
    transition: opacity var(--duration-fast) var(--ease-out);
}

.menu-footer-text a:hover {
    opacity: 0.8;
}

/* === BODY STATE === */
body.menu-open {
    overflow: hidden;
}