/* ========================================================================== */
/* --- STYLES POUR LA NAVIGATION (SIDEBAR & HEADER) - V2 "Concordance" --- */
/* ========================================================================== */

#app-sidebar {
    justify-content: flex-start;
    padding-top: 1.5rem; 
}

/* Reset bullets & spacing to remove unwanted white dots */
#app-tabs, #app-tabs li,
.sidebar-nav, .sidebar-nav li {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* --- Barre de navigation latérale (Desktop) --- */
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%; /* S'assure que la liste prend toute la largeur */
    flex: 1 1 auto;
    overflow-y: auto;
    align-items: center;
}

.sidebar-auth-status {
    margin-top: auto;
    padding: 0.75rem 1rem 0.65rem;
    font-size: 0.684rem;
    line-height: 1.3;
    color: var(--color-text-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    flex-shrink: 0;
}


.sidebar-auth-status strong {
    color: var(--color-text-primary);
    font-weight: var(--weight-medium, 600);
}

.sidebar-auth-actions {
    padding: 0.75rem 0.75rem 1.1rem;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.6rem;
    flex-shrink: 0;
}

/* Hide settings container from sidebar layout (contains memory overlay) */
#settings-container {
    position: absolute;
    visibility: hidden;
    pointer-events: none;
}

#settings-container .memory-overlay {
    position: fixed;
    visibility: visible;
    pointer-events: auto;
}


.sidebar-auth-actions .auth-badge {
    position: static;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
    width: 100%;
    padding: 0;
    border: none;
    background: none;
    box-shadow: none;
    color: var(--color-text-secondary);
}


.sidebar-auth-actions .auth-dot {
    display: none;
}


.sidebar-auth-actions .auth-button {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    gap: 0.45rem;
    padding: 0.315rem 0.675rem;
    border-radius: 9px;
    border: 1px solid rgba(148, 163, 184, 0.25);
    background: rgba(15, 23, 42, 0.62);
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.108em;
    font-size: 0.558rem;
    font-weight: var(--weight-semibold, 600);
    text-align: left;
    cursor: pointer;
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}


.sidebar-auth-actions .auth-button:hover,
.sidebar-auth-actions .auth-button:focus-visible {
    background: rgba(15, 23, 42, 0.78);
    transform: translateY(-1px);
}


.sidebar-auth-actions .auth-alert {
    display: block;
    font-size: 0.7rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #fecaca;
}

.sidebar-auth-actions .auth-model-chip {
    display: none !important;
}

@media (max-width: 760px) {
    .sidebar-auth-actions {
        padding: 0.5rem 0.75rem 1.5rem;
    }

    .sidebar-auth-actions .auth-button {
        font-size: 0.68rem;
        letter-spacing: 0.12em;
        padding: 0.45rem 0.6rem;
    }
}

/* [CORRECTION] Remplacement de .tab-button par .nav-link pour correspondre au HTML */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.66rem;
    padding: 0.55rem 0.66rem 0.55rem 1rem;
    border-radius: var(--radius-md, 8px);
    cursor: pointer;
    font-size: 0.854rem;
    font-weight: var(--weight-medium, 500);
    color: var(--color-text-secondary);
    background-color: transparent;
    border: none;
    width: 90%;
    max-width: 220px;
    text-align: left;
    text-decoration: none; /* Enlève le soulignement des liens */
    transition: background-color 0.2s ease, color 0.2s ease;
    margin-left: 8px;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
}

.nav-link.active {
    background-color: var(--color-primary-bg, rgba(0, 170, 255, 0.1));
    color: var(--color-primary);
}

/* [CORRECTION] Ciblage correct de l'icône dans le lien */
.nav-link .nav-icon {
    width: 1.5rem; /* 24px - Augmenté pour une meilleure visibilité */
    height: 1.5rem; /* 24px */
    flex-shrink: 0;
    display: flex; /* Assure que le SVG remplit bien le conteneur */
    align-items: center;
    justify-content: center;
    position: relative;
}


.nav-link .nav-icon svg {
    width: 100%;
    height: 100%;
}

.nav-icon--memory svg {
    filter: drop-shadow(0 6px 14px rgba(15, 23, 42, .35));
}

.nav-icon-badge {
    position: absolute;
    bottom: -4px;
    right: -6px;
    padding: 2px 6px;
    border-radius: 999px;
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: .16em;
    text-transform: uppercase;
    background: rgba(226, 232, 240, .92);
    color: #0f172a;
    box-shadow: 0 6px 16px rgba(15, 23, 42, .35);
}

.nav-icon-badge--csv {
    background: linear-gradient(135deg, rgba(165, 243, 252, .96), rgba(96, 165, 250, .96));
    color: #082f49;
}

.nav-link .nav-text {
    opacity: 1;
    transition: opacity 0.2s ease;
}

/* --- Barre de navigation du header (Mobile) --- */
/* Pas de changement ici, mais conservé pour la cohérence */
.header-nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-nav-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    border-radius: 50%;
    background-color: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.header-nav-button:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-primary);
}

.header-nav-button.active {
    color: var(--color-primary);
}

.header-nav-button svg {
    width: 1.5rem;
    height: 1.5rem;
}


.auth-badge .auth-button,
.sidebar-auth-actions .auth-button,
.mobile-nav .nav-link--auth {
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.auth-badge .auth-button.auth-button--connected,
.sidebar-auth-actions .auth-button.auth-button--connected,
.mobile-nav .nav-link--auth.auth-button--connected {
    background-color: var(--color-success, #22c55e);
    border-color: rgba(34, 197, 94, 0.35);
    color: var(--color-surface-primary, #0f172a);
}

.auth-badge .auth-button.auth-button--disconnected,
.sidebar-auth-actions .auth-button.auth-button--disconnected,
.mobile-nav .nav-link--auth.auth-button--disconnected {
    background-color: var(--color-warning, #f97316);
    border-color: rgba(249, 115, 22, 0.35);
    color: var(--color-surface-primary, #0f172a);
}

.sidebar-auth-actions .auth-button:focus-visible {
    outline: 2px solid var(--color-primary-focus-ring, rgba(0, 170, 255, 0.4));
    outline-offset: 2px;
}

.mobile-nav .nav-item--auth {
    margin-top: 0.75rem;
    padding-top: 0.65rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.mobile-nav .nav-link--auth {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    font-weight: var(--weight-semibold, 600);
}

.mobile-nav .nav-link--auth .nav-text {
    flex: 1 1 auto;
    text-align: center;
}

.mobile-nav .nav-link--auth:hover,
.mobile-nav .nav-link--auth:focus-visible {
    background-color: rgba(255, 255, 255, 0.08);
}