/* sidebar, drawer, FAB, rodapé — layout estrutural */
    /* ── Sidebar — desktop ───────────────────────────────────────── */
    #qs-sidebar { display: none; }

    @media (min-width: 768px) {
        #qs-sidebar {
            display: flex; flex-direction: column;
            position: fixed; top: 0; left: 0;
            width: var(--sidebar-w); height: 100vh;
            /* Fundo e borda do sidebar, controlados pelo painel */
            background: var(--qs-sidebar-bg);
            border-right: 1px solid color-mix(in srgb, var(--qs-sidebar-texto) 10%, transparent);
            color: var(--qs-sidebar-texto);
            z-index: 100; overflow: hidden;
            transition: width .25s cubic-bezier(.4,0,.2,1);
        }
        /* ── Mini-rail: 46px com ícones apenas ── */
        #qs-sidebar.colapsado { width: var(--sidebar-mini); }

        /* Oculta texto quando colapsado */
        #qs-sidebar.colapsado .qs-sb-nome,
        #qs-sidebar.colapsado .qs-sb-logo,
        #qs-sidebar.colapsado .qs-nav-item span,
        #qs-sidebar.colapsado .qs-sb-sep { display: none; }

        /* Centraliza ícones no mini-rail */
        #qs-sidebar.colapsado .qs-sb-header { justify-content: center; padding: 14px 0 12px; }
        #qs-sidebar.colapsado .qs-btn-toggle { margin-left: 0; }
        #qs-sidebar.colapsado .qs-sb-nav    { padding: 8px 4px; }
        #qs-sidebar.colapsado .qs-nav-item  { justify-content: center; padding: 10px 0; border-radius: 8px; }
        #qs-sidebar.colapsado .qs-nav-item svg,
        #qs-sidebar.colapsado .qs-nav-item i { opacity: .7; }
        #qs-sidebar.colapsado .qs-sb-footer { padding: 10px 4px 14px; }
        #qs-sidebar.colapsado .qs-sb-login-box,
        #qs-sidebar.colapsado .qs-sb-user-info,
        #qs-sidebar.colapsado .qs-ajuda-popup { display: none !important; }
        #qs-sidebar.colapsado .qs-sb-user { justify-content: center; }
        #qs-sidebar.colapsado .qs-sb-login-btn { display: none; }

        /* Main content ajusta margem */
        #qs-main {
            margin-left: var(--sidebar-w);
            transition: margin-left .25s cubic-bezier(.4,0,.2,1);
        }
        #qs-main.sem-sidebar { margin-left: var(--sidebar-mini); }

    }

    /* ── Main ────────────────────────────────────────────────────── */
    #qs-main {
        padding-bottom: var(--bottom-h);
        min-height: 100vh;
    }
    @media (min-width: 768px) {
        #qs-main { padding-bottom: 0; background: var(--qs-bg); }
    }

    /* Drawer mobile */
    #qs-drawer {
        position: fixed; top: 0; left: -100%;
        width: min(var(--sidebar-w), 85vw); height: 100vh;
        /* Também usa as cores configuradas do sidebar */
        background: var(--qs-sidebar-bg);
        border-right: 1px solid color-mix(in srgb, var(--qs-sidebar-texto) 10%, transparent);
        color: var(--qs-sidebar-texto);
        z-index: 200; display: flex; flex-direction: column;
        overflow-y: auto;
        transition: left .24s cubic-bezier(.4,0,.2,1);
    }
    #qs-drawer.open { left: 0; }
    #qs-overlay {
        display: none; position: fixed; inset: 0;
        background: rgba(0,0,0,.45); z-index: 199;
    }
    #qs-overlay.show { display: block; }
    /* No drawer, ocultar o botão de toggle */
    #qs-drawer .qs-btn-toggle { display: none; }

    /* ── FAB hamburger — mobile (substitui o header) ─────────────── */
    #qs-fab-menu {
        position: fixed; top: 12px; left: 12px; z-index: 60;
        width: 38px; height: 38px;
        background: rgba(255,255,255,.88);
        border: 1px solid rgba(0,0,0,.1);
        border-radius: 10px;
        display: flex; align-items: center; justify-content: center;
        cursor: pointer; color: #555;
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
        box-shadow: 0 2px 10px rgba(0,0,0,.09);
        transition: background .15s, box-shadow .15s;
    }
    #qs-fab-menu:hover { background: #fff; box-shadow: 0 4px 14px rgba(0,0,0,.13); }
    @media (min-width: 768px) { #qs-fab-menu { display: none; } }

    /* ── Sidebar: cabeçalho ──────────────────────────────────────── */
    .qs-sb-header {
        display: flex; align-items: center; gap: 10px;
        padding: 14px 14px 12px;
        border-bottom: 1px solid color-mix(in srgb, var(--qs-sidebar-texto) 10%, transparent);
        flex-shrink: 0; overflow: hidden;
    }
    .qs-btn-toggle {
        width: 30px; height: 30px; border-radius: 7px; flex-shrink: 0;
        border: none; background: transparent;
        color: color-mix(in srgb, var(--qs-sidebar-texto) 45%, transparent);
        display: flex; align-items: center; justify-content: center;
        cursor: pointer; transition: background .15s, color .15s;
        margin-left: auto; /* empurra o botão para o lado direito do header */
    }
    .qs-btn-toggle:hover {
        background: color-mix(in srgb, var(--qs-sidebar-texto) 8%, transparent);
        color: var(--qs-sidebar-texto);
    }
    .qs-sb-logo { max-height: 53px; max-width: 160px; object-fit: contain; }
    .qs-sb-nome {
        font-weight: 800; font-size: .92rem;
        color: var(--qs-sidebar-texto);
        white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }

    /* ── Sidebar: navegação ──────────────────────────────────────── */
    .qs-sb-nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
    .qs-sb-sep {
        height: 1px;
        background: color-mix(in srgb, var(--qs-sidebar-texto) 10%, transparent);
        margin: 6px 6px;
    }
    .qs-nav-item {
        display: flex; align-items: center; gap: 10px;
        padding: 9px 12px; border-radius: 9px;
        color: color-mix(in srgb, var(--qs-sidebar-texto) 65%, transparent);
        font-size: .875rem; font-weight: 500;
        text-decoration: none; white-space: nowrap;
        transition: background .15s, color .15s;
        overflow: hidden;
    }
    .qs-nav-item svg, .qs-nav-item i { flex-shrink: 0; }
    .qs-nav-item:hover { background: color-mix(in srgb, var(--qs-primary) 8%, transparent); color: var(--qs-primary); text-decoration: none; }
    .qs-nav-item.ativo { background: color-mix(in srgb, var(--qs-primary) 10%, transparent); color: var(--qs-primary); font-weight: 700; }

    /* ── Sidebar: rodapé ─────────────────────────────────────────── */
    .qs-sb-footer {
        padding: 8px 10px 16px;
        border-top: 1px solid color-mix(in srgb, var(--qs-sidebar-texto) 10%, transparent);
        display: flex;
        flex-direction: column;
        gap: 2px;
    }

    /* Botão Ajuda */
    .qs-ajuda-wrap { position: relative; }
    .qs-ajuda-btn  { width: 100%; background: none; border: none; cursor: pointer; font-family: inherit; text-align: left; }
    .qs-ajuda-popup {
        display: none;
        position: absolute; bottom: calc(100% + 4px); left: 0; right: 0;
        background: #fff;
        border: 1px solid color-mix(in srgb, var(--qs-sidebar-texto) 12%, transparent);
        border-radius: 10px;
        box-shadow: 0 8px 24px rgba(0,0,0,.12);
        padding: 6px;
        z-index: 200;
    }
    .qs-ajuda-popup.aberto { display: block; }
    .qs-ajuda-link {
        display: flex; align-items: center; gap: 9px;
        padding: 8px 10px; border-radius: 7px;
        font-size: .82rem; font-weight: 500;
        color: #333; text-decoration: none;
        transition: background .13s;
    }
    .qs-ajuda-link:hover { background: #f5f5f5; color: #111; text-decoration: none; }
    .qs-ajuda-link svg { flex-shrink: 0; opacity: .6; }
    .qs-ajuda-sep { height: 1px; background: #f0f0f0; margin: 4px 6px; }

    /* Caixa login estilo ChatGPT */
    .qs-sb-login-box {
        background: color-mix(in srgb, var(--qs-sidebar-texto) 5%, transparent);
        border-radius: 10px;
        padding: 12px 12px 10px;
        margin-top: 4px;
    }
    .qs-sb-login-titulo {
        font-size: .78rem; font-weight: 700;
        color: var(--qs-sidebar-texto);
        margin: 0 0 4px; line-height: 1.3;
    }
    .qs-sb-login-desc {
        font-size: .72rem; line-height: 1.5;
        color: color-mix(in srgb, var(--qs-sidebar-texto) 60%, transparent);
        margin: 0 0 10px;
    }
    .qs-sb-login-btn {
        display: block; width: 100%; text-align: center;
        padding: 7px 12px;
        background: var(--qs-sidebar-texto);
        color: var(--qs-sidebar-bg);
        border-radius: 7px; font-size: .8rem; font-weight: 600;
        text-decoration: none; transition: opacity .15s;
    }
    .qs-sb-login-btn:hover { opacity: .85; text-decoration: none; color: var(--qs-sidebar-bg); }

    /* Usuário logado */
    .qs-sb-user {
        display: flex; align-items: center; gap: 9px;
        padding: 8px 6px; border-radius: 8px;
        margin-top: 4px;
    }
    .qs-sb-user-av {
        width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0;
        background: var(--qs-primary);
        color: #fff; font-size: .82rem; font-weight: 700;
        display: flex; align-items: center; justify-content: center;
    }
    .qs-sb-user-nome  { font-size: .8rem; font-weight: 600; color: var(--qs-sidebar-texto); line-height: 1.2; }
    .qs-sb-user-email { font-size: .7rem; color: color-mix(in srgb, var(--qs-sidebar-texto) 55%, transparent); }


    /* ── LGPD ────────────────────────────────────────────────────── */
    #qs-lgpd {
        position: fixed; bottom: var(--bottom-h); left: 0; right: 0;
        background: #1a1a2e; color: #e0e0e0; padding: 14px 20px;
        display: flex; align-items: center; flex-wrap: wrap; gap: 10px;
        z-index: 140; font-size: .82rem; line-height: 1.5;
    }
    @media (min-width: 768px) { #qs-lgpd { bottom: 0; left: var(--sidebar-w); } }
    body.sb-col #qs-lgpd { left: var(--sidebar-mini); }
    #qs-lgpd p { flex: 1; min-width: 200px; }
    #qs-lgpd a { color: #90c4ff; }
    .qs-lgpd-btn { padding: 7px 16px; border-radius: 6px; border: none; font-size: .82rem; font-weight: 600; cursor: pointer; white-space: nowrap; }
    .qs-lgpd-aceitar { background: var(--qs-primary); color: #fff; }
    .qs-lgpd-navegar { background: transparent; color: #aaa; border: 1px solid #555; }

    /* ── Rodapé discreto ─────────────────────────────────────────── */
    .qs-rodape {
        display: flex; align-items: center; justify-content: space-between;
        flex-wrap: wrap; gap: 6px;
        padding: 14px 20px 20px;
        font-size: .68rem; color: #b0b8c5;
        border-top: 1px solid rgba(0,0,0,.06);
        margin-top: 32px;
        /* Espaço extra no mobile para não colar na barra inferior */
        padding-bottom: calc(20px + var(--bottom-h, 62px));
    }
    @media (min-width: 768px) {
        .qs-rodape { padding: 14px 36px 24px; padding-bottom: 24px; }
    }
    .qs-rodape-copy { line-height: 1.4; }
    .qs-rodape-by {
        color: #b0b8c5; text-decoration: none; font-weight: 500;
        transition: color .15s;
        white-space: nowrap;
    }
    .qs-rodape-by:hover { color: var(--qs-primary); text-decoration: none; }

    /* ── Redes Sociais no rodapé ─────────────────────────────── */
    .qs-rodape-social {
        display: flex; align-items: center; gap: 10px;
        flex-wrap: wrap;
    }
    .qs-rodape-social a {
        display: flex; align-items: center; justify-content: center;
        width: 30px; height: 30px; border-radius: 7px;
        color: #b0b8c5;
        background: transparent;
        transition: color .15s, background .15s;
        text-decoration: none;
    }
    .qs-rodape-social a:hover {
        color: var(--qs-primary);
        background: color-mix(in srgb, var(--qs-primary) 9%, transparent);
        text-decoration: none;
    }
    .qs-rodape-social svg { flex-shrink: 0; }