/* Sidebar (parte de style.css) */
/* ============================================================
   SIDEBAR — grupos, indicador animado, tooltips, badge, utilizador
   ============================================================ */
.sidebar {
    transition: width 0.35s cubic-bezier(0.22, 1, 0.36, 1), transform 0.25s ease;
}
.sidebar-nav {
    position: relative;
    display: flex;
    flex-direction: column;
    flex: 0 0 auto;
}

/* Títulos de grupo */
.nav-group-label {
    margin: 16px 20px 4px;
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: #7c8160;
    white-space: nowrap;
    overflow: hidden;
}
.nav-group-label:first-child { margin-top: 4px; }
.sidebar.collapsed .nav-group-label {
    height: 1px;
    margin: 12px 16px 8px;
    padding: 0;
    background: #3a3d2c;
    font-size: 0;
}
.sidebar.collapsed .nav-group-label:first-child { display: none; }
.sidebar.collapsed .nav-group-label span { display: none; }

/* Botões: o fundo passa para o indicador animado */
.sidebar .nav-btn,
.sidebar .tab-btn { z-index: 1; }
.sidebar .nav-btn:hover,
.sidebar .tab-btn:hover { background: transparent; }
.sidebar .nav-btn.active,
.sidebar .tab-btn.active {
    background: transparent;
    border-left-color: transparent;
    color: #fff;
    font-weight: 600;
}
.sidebar .nav-btn:focus-visible,
.sidebar-logout:focus-visible,
.sidebar-collapse:focus-visible {
    outline: 2px solid #a3a678;
    outline-offset: -2px;
}

.nav-indicator,
.nav-hover {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    border-radius: 8px;
    pointer-events: none;
    opacity: 0;
    z-index: 0;
}
.nav-indicator {
    background: linear-gradient(90deg, rgba(139, 139, 90, 0.38), rgba(139, 139, 90, 0.12));
    box-shadow: inset 3px 0 0 #a3a678;
    transition: transform 0.38s cubic-bezier(0.34, 1.35, 0.64, 1), opacity 0.2s ease;
}
.nav-indicator.sem-animacao { transition: none; }
.nav-hover {
    background: rgba(255, 255, 255, 0.07);
    transition: transform 0.22s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.15s ease;
}

/* Bloco do utilizador */
.sidebar-user {
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border-top: 1px solid #3a3d2c;
}
.sidebar .sidebar-collapse { margin-top: 0; }
.sidebar-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, #8b8b5a, #535735);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.5px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.sidebar-user-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    flex: 1;
    line-height: 1.25;
}
.sidebar-user-name {
    color: #fff;
    font-size: 13px;
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.sidebar-user-role {
    color: #9a9f7d;
    font-size: 11px;
    white-space: nowrap;
}
.sidebar-logout {
    background: none;
    border: none;
    color: #b8bd96;
    cursor: pointer;
    padding: 6px;
    border-radius: 6px;
    display: flex;
    flex-shrink: 0;
    transition: background 0.15s ease, color 0.15s ease;
}
.sidebar-logout:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.sidebar.collapsed .sidebar-user { justify-content: center; padding: 12px 0; }
.sidebar.collapsed .sidebar-user-info,
.sidebar.collapsed .sidebar-logout { display: none; }

/* Tooltip (sidebar recolhida) */
.sidebar-tooltip {
    position: fixed;
    z-index: 3000;
    transform: translateY(-50%) translateX(-4px);
    background: #111;
    color: #fff;
    font-size: 12.5px;
    font-weight: 500;
    padding: 7px 11px;
    border-radius: 7px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
    transition: opacity 0.15s ease, top 0.15s cubic-bezier(0.22, 1, 0.36, 1), transform 0.15s ease;
}
.sidebar-tooltip.visivel { opacity: 1; transform: translateY(-50%) translateX(0); }

@media (prefers-reduced-motion: reduce) {
    .sidebar, .nav-indicator, .nav-hover, .sidebar-tooltip { transition: none !important; }
}

/* Botão recolher / expandir */
.sidebar .sidebar-collapse {
    margin: 8px 10px 10px;
    width: calc(100% - 20px);
    padding: 7px 10px 7px 7px;
    border: 1px solid #3a3d2c;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.03);
    color: #b8bd96;
    font-size: 13px;
    font-weight: 500;
    letter-spacing: 0;
    text-transform: none;
    justify-content: flex-start;
    gap: 10px;
}
.sidebar .sidebar-collapse::before { display: none; }
.sidebar .sidebar-collapse:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.07);
    border-color: #4f5537;
}
.sidebar .sidebar-collapse:active { transform: scale(0.98); }
.collapse-icon-box {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.15s ease;
}
.sidebar-collapse:hover .collapse-icon-box { background: rgba(139, 139, 90, 0.4); }
.sidebar-collapse .collapse-icon {
    width: 16px;
    height: 16px;
    opacity: 1;
    transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.sidebar-collapse .collapse-label { flex: 1; text-align: left; white-space: nowrap; }
.collapse-kbd {
    font-family: inherit;
    font-size: 10.5px;
    font-weight: 600;
    line-height: 1;
    padding: 4px 6px;
    border-radius: 5px;
    border: 1px solid #4a4d3e;
    background: rgba(0, 0, 0, 0.2);
    color: #8b8f70;
    white-space: nowrap;
}
.sidebar.collapsed .sidebar-collapse {
    width: calc(100% - 16px);
    margin: 8px;
    padding: 6px 0;
    justify-content: center;
    gap: 0;
}
.sidebar.collapsed .collapse-label,
.sidebar.collapsed .collapse-kbd { display: none !important; }

/* Telemóvel: o drawer mostra sempre a versão expandida */
@media (max-width: 768px) {
    .sidebar { height: calc(100vh - 80px); }
    .sidebar.collapsed .nav-group-label {
        height: auto;
        margin: 16px 20px 4px;
        background: none;
        font-size: 10.5px;
    }
    .sidebar.collapsed .nav-group-label:first-child { display: block; margin-top: 4px; }
    .sidebar.collapsed .nav-group-label span { display: inline; }
    .sidebar.collapsed .sidebar-user { justify-content: flex-start; padding: 12px 14px; }
    .sidebar.collapsed .sidebar-user-info,
    .sidebar.collapsed .sidebar-logout { display: flex; }
    .sidebar-tooltip { display: none; }
}