/* ============================================
   MENU LATERAL PARTAGE (toutes les pages)
   Charge APRES budget.css / taches.css : ce fichier
   remplace les anciens styles de menu.
   ============================================ */

/* ---- Logo chat dans la barre du haut ---- */
.header-logo {
    background: none;
    padding: 0;
    overflow: visible;
    box-shadow: none;
}

.header-logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: transform 0.25s ease;
}

.header-logo:hover img { transform: scale(1.12) rotate(-4deg); }
.header-logo:active img { transform: scale(0.94); }

/* ---- Voile derriere le menu ---- */
.site-menu-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(11, 36, 71, 0.32);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 300;
}

.site-menu-backdrop.open {
    opacity: 1;
    pointer-events: auto;
}

/* ---- Panneau lateral ---- */
.site-menu-panel {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(320px, 86vw);
    background: var(--bg-card);
    border: none;
    border-radius: 0;
    z-index: 310;
    transform: translateX(-102%);
    opacity: 1;
    pointer-events: none;
    transition: transform 0.32s cubic-bezier(0.32, 0.72, 0, 1);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 1.1rem 0.9rem calc(1.5rem + env(safe-area-inset-bottom));
    padding-top: calc(1.1rem + env(safe-area-inset-top));
    box-shadow: var(--shadow-lg);
}

.site-menu-panel.open {
    transform: translateX(0);
    pointer-events: auto;
}

/* ---- Groupes repliables ---- */
.site-menu-group {
    display: block;
    margin-bottom: 0.15rem;
}

button.site-menu-title {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.45rem 0.55rem;
    background: transparent;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    text-align: left;
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: none;
    margin-bottom: 0;
    transition: background 0.2s ease;
    -webkit-tap-highlight-color: transparent;
}

button.site-menu-title:hover { background: var(--bg); }

.site-menu-cat {
    width: 34px;
    height: 34px;
    object-fit: contain;
    flex-shrink: 0;
    transition: transform 0.35s cubic-bezier(0.34, 1.4, 0.64, 1);
}

.site-menu-group.open .site-menu-cat { transform: scale(1.14) rotate(-5deg); }

.site-menu-title-label { flex: 1; min-width: 0; }

.site-menu-chevron {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    opacity: 0.45;
    transition: transform 0.3s ease, opacity 0.2s ease;
}

.site-menu-group.open .site-menu-chevron {
    transform: rotate(90deg);
    opacity: 0.8;
}

/* ---- Liste des pages d'un groupe (repliee par defaut) ---- */
.site-menu-items {
    display: block;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    padding-left: 0.4rem;
    transition: max-height 0.34s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.24s ease,
                margin 0.3s ease;
    margin: 0;
}

.site-menu-group.open > .site-menu-items {
    max-height: 460px;
    opacity: 1;
    margin: 0.15rem 0 0.5rem;
}

.site-menu-item {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    padding: 0.5rem 0.6rem;
    border-radius: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: background 0.15s ease, color 0.15s ease;
    -webkit-tap-highlight-color: transparent;
}

.site-menu-item:hover { background: var(--bg); color: var(--text); }

.site-menu-item.active {
    background: var(--accent-light);
    color: var(--accent-dark, var(--accent));
    font-weight: 700;
}

.site-menu-home {
    font-size: 0.95rem;
    font-weight: 800;
    color: var(--text);
}

.site-menu-icon { width: 20px; text-align: center; flex-shrink: 0; }

.site-menu-divider {
    border-top: 1px dashed var(--border);
    height: 0;
    background: none;
    margin: 0.5rem 0.2rem;
}

/* ============================================
   TRANSITION : le chat grandit et remplit l'ecran
   (mobile, au choix d'une page)
   ============================================ */
.cat-zoom {
    position: fixed;
    inset: 0;
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card, #fff);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
    overflow: hidden;
}

.cat-zoom.on {
    opacity: 1;
    pointer-events: auto;
}

.cat-zoom img {
    width: min(78vw, 78vh);
    height: auto;
    transform: scale(0.16);
    transform-origin: center center;
    transition: transform 1.75s cubic-bezier(0.3, 0.02, 0.2, 1);
    will-change: transform;
}

.cat-zoom.on img { transform: scale(1.75); }

@media (prefers-reduced-motion: reduce) {
    .cat-zoom img,
    .site-menu-items,
    .site-menu-cat,
    .site-menu-panel { transition-duration: 0.01ms !important; }
}