/* ---------- Reset básico ---------- */
* { box-sizing: border-box; }
body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f2f4f7;
    margin: 0;
}

/* ---------- Barra de navegação ---------- */
nav.topo {
    background: #fff;
    border-bottom: 1px solid #e2e2e2;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
}
.nav-esquerda { display: flex; align-items: center; gap: 6px; }
.nav-link {
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 4px;
}
.nav-link:hover { background: #f2f4f7; }

.dropdown { position: relative; }
.dropdown-toggle {
    background: none;
    border: none;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    padding: 8px 14px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}
.dropdown-toggle:hover { background: #f2f4f7; }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 44px;
    left: 0;
    background: #fff;
    border: 1px solid #e2e2e2;
    border-radius: 6px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.1);
    min-width: 220px;
    overflow: hidden;
    z-index: 10;
}
.dropdown-menu.aberto { display: block; }
.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    color: #333;
    text-decoration: none;
    font-size: 14px;
}
.dropdown-menu a:hover { background: #f2f4f7; }

/* ---------- Submenus em cascata ---------- */
.submenu-toggle {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 10px 16px;
    font-size: 14px;
    color: #333;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.submenu-toggle:hover { background: #f2f4f7; }
.submenu-toggle .seta { transition: transform 0.15s ease; font-size: 12px; color: #999; }
.submenu-toggle.aberto .seta { transform: rotate(90deg); }

.submenu-painel {
    display: none;
    padding-left: 10px;
    margin-left: 16px;
    border-left: 2px solid #eee;
}
.submenu-painel.aberto { display: block; }
.submenu-painel a {
    display: block;
    padding: 8px 12px;
    font-size: 13px;
    color: #333;
    text-decoration: none;
}
.submenu-painel a:hover { background: #f2f4f7; }

.nav-direita { display: flex; align-items: center; gap: 16px; }
.nav-direita span { font-size: 13px; color: #666; }
.nav-direita a {
    font-size: 13px;
    text-decoration: none;
    color: #2b6cb0;
}
.nav-direita a.sair { color: #b42318; }